Entries |
Document | Title | Date |
20080240771 | Powder Container and Image Forming Apparatus - A powder container that is detachably installed in a container housing unit of an image forming apparatus includes a container body including an opening located at a head of the container body, and an engaging part located at a bottom of the container body, the engaging part being engaged with an engagement receiving part of the container housing unit; a drive transferring member that rotates integrally with the container body; and a lid including a discharge outlet that further discharges powder discharged from the opening of the container body, and a shutter that opens and closes the discharge outlet. A position of the powder container in the container housing unit is determined by engaging the engaging part with the engagement receiving part, and operating the lid such that the shutter opens the discharge outlet. | 10-02-2008 |
20080240772 | TONER CARTRIDGE, TONER REFILLING METHOD AND IMAGE FORMING APPARATUS USING THE TONER CARTRIDGE - A toner cartridge ( | 10-02-2008 |
20080240773 | ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - An electrophotographic image forming apparatus for forming an image on a recording material, to which a process cartridge is detachably mountable, the apparatus, includes (a) a plurality of mounting portions for detachably mounting process cartridges, respectively, the process cartridges each including, an electrophotographic photosensitive drum, a developing roller for developing an electrostatic latent image formed on the electrophotographic photosensitive drum, a developer accommodating portion for accommodating a developer for use by the developing roller to develop the electrostatic latent image, a developer supply opening for supplying the developer to the developing roller from the developer accommodating portion, a sealing member for unsealably sealing the developer supply opening, and unsealing means for unsealing the developer supply opening by removing the sealing member from the developer supply opening; (b) a motor; and (c) driving force transmitting means for selectively transmitting a driving force from the motor to the unsealing means to unseal the developer supply openings of the process cartridges mounted to the mounting portions. | 10-02-2008 |
20080267658 | TONER CARTRIDGE AND DEVELOPING APPARATUS - A toner cartridge is described. The toner cartridge may include: a first frame storing a developing agent and having a first opening for passing the developing agent therethrough; a second frame relatively movable with respect to the first frame in a direction orthogonal to a direction of passage of the developing agent through the first opening, and opening/closing the first opening; and a seal member provided on either one of the first frame and the second frame for coming into contact with the other frame to prevent leakage of the developing agent from the first opening. A first edge of the seal member and an edge of the other frame, coming into contact with each other when the second frame opens/closes the first opening, intersect with each other as viewed from the direction of passage. | 10-30-2008 |
20080298834 | Toner cartridge and image forming apparatus - In one embodiment, a toner cartridge of the invention is installed in an image forming apparatus, and includes a toner storage container that has a toner discharge port, and a toner discharge roller disposed inside of the toner storage container so as to block the toner discharge port. An inner wall of the toner storage container faced by the toner discharge roller is provided with a curved region that has a curvature that matches a curvature of the toner discharge roller. | 12-04-2008 |
20080310878 | IMAGE FORMING APPARATUS AND IMAGE FORMING UNIT - An image forming apparatus includes an image forming unit. The image forming unit is detachable with respect to the image forming apparatus. The image forming unit includes a development part, a developer accommodation part, a connection part and a sealing member. The development part develops an electrostatic latent image held on an image holding body by a developer. The developer accommodation part accommodates the developer. The connection part connects the development part and the developer accommodation part. The sealing member unsealably seals the connection part. The sealing member is drawable to outside the image forming apparatus in a direction intersecting with a detaching direction of the image forming unit in such a state that the image forming unit is held therein. | 12-18-2008 |
20090003872 | SEALING MEMBER, TONER ACCOMMODATING CONTAINER AND IMAGE FORMING APPARATUS - A toner container detachably mountable to an image forming apparatus, includes a main body for containing toner; a sealing portion for sealing the toner discharge opening; locking projections for snap fitting engagement with holes provided in a cylindrical member of an image forming apparatus, wherein the projections receive from the cylindrical member unsealing forces for unsealing the toner discharge opening by a relative movement between the sealing portion and the toner container, wherein a number of the locking projections is larger than a number of ribs provided between the holes of the cylindrical member. | 01-01-2009 |
20090010676 | Developing Apparatus and Image Forming Apparatus - A developing apparatus is provided that can reliably prevent a developer from leaking even where the developing apparatus is continuously used, and an image forming apparatus having the developing apparatus is provided. The developing apparatus has a developer container for containing a developer, a developing portion for generating a developer image by developing an electrostatic latent image formed on an electrostatic latent image holder using the developer contained in the developer container, a seal member formed along a surface of an end portion of the developing portion for sealing between the developer container and the developing portion, and a supporting member for supporting the seal member so as to allow displacement. | 01-08-2009 |
20090016767 | Developer storing container, developing unit, developing device and image forming apparatus - A developer storing container includes a developer storing body having a first opening, and a shutter member capable of taking a closing position and an opening position to close and open the first opening. The shutter member includes a first seal member including a seal portion provided along the first opening and an extending portion extending from the seal portion in the opening direction of the shutter member. A distance from an end portion of the first opening in the opening direction to an end of the extending portion when the shutter member is in the closing position is longer than a distance of an end portion of an exposable portion of the first seal member (exposed via the first opening when the shutter member is in the closing position) when the shutter member moves from the closing position to the opening position. | 01-15-2009 |
20090028600 | Developer cartridge, developing device and image forming apparatus - A developer cartridge includes a storing portion that stores developer and has an opening, a shutter member that opens and closes the opening, and a seal member that seals between the shutter member and the storing portion. The seal member is so provided that both end portions thereof face each other. One end portion of the seal member has at least one angled portion provided inside both side end edges of the seal member in width direction of the seal member, and the other end portion has an angled portion along the angled portion of said one end portion. | 01-29-2009 |
20090035010 | TONER CONTAINER AND TONER FILLING METHOD - A toner container which is mountable and removable at a main body of an image forming apparatus, the toner container comprising: at least one toner filling port provided in a casing body of the toner container; and a sealing member which covers the toner filling port and a predetermined range of surroundings of the toner filling port, from an outer side of the casing body, for sealing toner inside the casing body, is provided. | 02-05-2009 |
20090035011 | Self-Sealing Process Roller - A process roller for use with an imagining cartridge, the process roller including sealing surfaces located at its distal ends. As the process roller rotates, the sealing surfaces of the process roller are sufficiently flexible to conform to the inner side walls of the imaging cartridge, thereby sealing the printing agent inside the imaging cartridge at the distal ends of the process roller. | 02-05-2009 |
20090087216 | DEVELOPER CARTRIDGE, DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A developer cartridge includes an outside frame, an inside frame, a first sealing member and a second sealing member. The outside frame includes an outside supply opening and an outside return opening. The inside frame includes a developer chamber for accommodating a developer, an inside supply opening and an inside return opening. The first sealing member is provided around one of the inside return opening and the outside return opening between the inside frame and the outside frame and is contactable with the inside frame and the outside frame with a first contact pressure. The second sealing member is provided around one of the inside supply opening and the outside supply opening between the inside frame and the outside frame and is contactable with the inside frame and the outside frame with a second contact pressure that is greater than the first contact pressure. | 04-02-2009 |
20090097877 | TONER CARTRIDGE AND IMAGE FORMING APPARATUS - A toner cartridge includes a toner container which contains toner, the toner container having at one end portion thereof a discharge port which discharges the toner, and a member which is attached to an outer peripheral surface of the one end portion. The member has a first part which is disposed at the one end portion and has a shape corresponding to the toner cartridge, and a second part which has, at a position corresponding to the discharge port, a passage hole through which the toner discharged from the discharge port passes. | 04-16-2009 |
20090110431 | LASER PRINTER TONER CARTRIDGE SEAL AND METHOD - A reassembled laser printer toner cartridge and method of manufacture including a cartridge seal assembly in which the remains of an OEM laser printer toner cartridge's toner hopper pull seal strip(s) is left in position, or a substitute conductive strip is put in the same position to simulate the OEM pull seal strip(s) if the OEM strips have been damaged or are missing in order to enable a repaired or remanufactured cartridge to cooperate with the printer in detecting measuring and displaying the amount of toner consumed from the cartridge and shut the printer down, once the toner cartridge is empty, and a toner cartridge hopper foam seal strip assembly that covers the remnants of the OEM seal strips and provides a seal to prevent leakage of toner from the re-filled toner cartridge. | 04-30-2009 |
20090129811 | IMAGE FORMING APPARATUS, POWDER SUPPLYING UNIT, TONER CONTAINER, POWDER CONTAINER, AND METHOD OF RECYCLING THE POWDER CONTAINER - A part of a toner supply path is formed in a setting unit ( | 05-21-2009 |
20090169240 | DEVELOPING DEVICE, IMAGE FORMING APPARATUS USING THE SAME, AND METHOD FOR PEELING OFF SEALING MEMBER OF THE DEVELOPING DEVICE - A developing device includes a developer reservoir having developer stored therein, a developing roller for carrying developer, a sealing member which is brought into close contact with the developer portion so as to cover a communication port in communication with inside of the developer reservoir, and a sealing passing member for passing the sealing member peeled off the developer reservoir, wherein the sealing member is peeled off the developer reservoir to open the communication port and the sealing passing member has an opening with an approximately elliptical shape, through which the sealing member passes. | 07-02-2009 |
20090169241 | IMAGE FORMING APPARATUS AND TONER CARTRIDGE USED FOR THE SAME - An image forming apparatus including an image forming section for forming an image, and a toner cartridge for supplying a toner to the image forming section, the toner cartridge being detachably loaded into the image forming section. The toner cartridge includes a toner discharging port for discharging the toner when the toner cartridge is loaded into the image forming section, and a seal member for sealing the toner discharging port until the toner cartridge is loaded into the image forming section. The seal member is bonded to a peripheral edge of the toner discharging port by electro-releasing adhesive, of which adhesive force decreases when a current is applied thereto. The image forming section includes a first electrode and a second electrode that contact the peripheral edge of the toner discharging port and the seal member, respectively, when the toner cartridge is loaded into the image forming section, and a power supply for applying a voltage between the first and second electrodes. When a current is applied to the electro-releasing adhesive via the first and second electrodes, the adhesive force of the electro-releasing adhesive decreases, whereby the seal member is released from the toner discharging port. | 07-02-2009 |
20090245853 | Universal Cartridge Seal - A toner hopper seal assembly is disclosed. The toner hopper seal assembly has a gasket which has a gasket opening, a pull strip having a first and second end, the pull strip attached to a first side of the gasket and covering the gasket opening. The first end of the pull strip is positioned near the gasket opening. The toner hopper seal assembly also having an integrated pull tab disposed at an end of the gasket, the integrated pull tab has a first side and a second side, the integrated pull tab is formed from a same material as the gasket and separated from the gasket by a cut in the material. The toner hopper seal assembly also has an adhesive layer covering a second side of the gasket and the second side of the integrated pull tab as well as a release liner covering the adhesive layer on the second side of the gasket and the second side of the integrated pull tab. The release liner secures the integrated pull tab in place adjacent to the end of the gasket. | 10-01-2009 |
20090245854 | Developer Cartridge, Developing Unit and Image Forming Apparatus - A developer cartridge includes a first frame and a second frame that confronts the first frame. The second frame includes an opening, through which developer is passed, and which is openable and closable by the first frame in accordance with a relative movement between the second frame and the first frame, a seal member, which is provided around the opening for preventing leakage of the developer from the opening, and which comprises a seal side confronting portion confronting the first frame when the second frame moves relative to the first frame, and a protection member, which has an elastic modulus higher than an elastic modulus of the seal member, and which is provided between the seal side confronting portion of the seal member and the first frame for protecting the seal member. | 10-01-2009 |
20090245855 | Developer Cartridge, Developing Unit and Image Forming Apparatus - A developer cartridge includes a first frame and a second frame, which confronts the first frame. The second frame includes an opening, through which developer is passed, and which is openable and closable by the first frame in accordance with a relative movement between the second frame and the first frame, and a seal member, which is provided around the opening, and which does not overlap the first frame as viewed from a direction in which the developer passes the opening when the opening is opened. | 10-01-2009 |
20090279916 | TONER CONTAINER AND TONER REPLENISHING METHOD - A toner container for replenishing toner to an image forming apparatus including: a container main body which comprises a toner storage section and a toner outlet; a cap that covers the toner outlet; and a seal member that is interposed between the container main body and the cap to prevent toner leakage, wherein the container main body has a step portion formed between the toner storage section and the toner outlet, and the seal member is fixed on the step portion to be interposed between the step portion and the cap. | 11-12-2009 |
20090297207 | WINDING MEMBER, CARTRIDGE, AND CARTRIDGE ASSEMBLING METHOD - A winding member winds a seal member that seals an opening of a developer storage unit. The winding member includes a first holding portion having a first engaging portion, and a second holding portion having a second engaging portion to be engaged with the first engaging portion, configured to hold the sealing member between the first and second holding portions, wherein an end of the first holding portion and an end of the second holding portion are connected, so that the first holding portion and the second holding portion are relatively movable, and wherein the first engaging portion is engaged with the second engaging portion while the sealing member is held between the first holding portion and the second holding portion. | 12-03-2009 |
20100034554 | DEVELOPING DEVICE, PROCESS CARTRIDGE, IMAGE FORMING DEVICE, AND DEVELOPER CONTAINER - A developing device includes: a housing that has a developer containing part and an opening, the developer containing part containing a developer, and the opening allowing the developer to flow through; a sheet member that is provided in the housing, seals the opening when unused, and is pulled out in one direction to open the opening when used; and a loosening regulation unit that is provided on the housing or the sheet member, and regulates loosening of the sheet member, wherein the housing has a guide hole, the guide hole allowing the sheet member to be inserted in when sealing the opening with the sheet member, and guiding the sheet member when the sheet member is pulled out. | 02-11-2010 |
20100046981 | DEVELOPING DEVICE, PROCESS CARTRIDGE, IMAGE FORMING DEVICE AND DEVELOPER CONTAINER - A developing device includes: a housing having an opening; a sheet member provided on the housing and sealing the opening when not used, the sheet member including a forward part and a backward part, the forward part extending from a base end to a folded part, and the backward part extending in the one direction from the folded part to a free end as a top end of the sheet member; and a press unit pressing the backward part of the sheet member toward the forward part when not used, wherein the housing has a guide hole formed in a position where the backward part gradually separates off from the forward part and from the folded part to the free end, the backward part being inserted into the guide hole when not used, and the sheet member being guided by the guide hole when the sheet member is pulled out. | 02-25-2010 |
20100046982 | SEALING MEMBER, TONER ACCOMMODATING CONTAINER AND IMAGE FORMING APPARATUS - A toner container detachably mountable to an image forming apparatus, includes a main body for containing toner; a sealing portion for sealing the toner discharge opening; locking projections for snap-fitting engagement with holes provided in a cylindrical member of an image forming apparatus, wherein the projections receive from the cylindrical member unsealing forces for unsealing the toner discharge opening by a relative movement between the sealing portion and the toner container, wherein a number of the locking projections is larger than a number of ribs provided between the holes of the cylindrical member. | 02-25-2010 |
20100111560 | SEALING MEMBER, TONER ACCOMMODATING CONTAINER AND IMAGE FORMING APPARATUS - A toner container detachably mountable to an image forming apparatus, includes a main body for containing toner; a sealing portion for sealing the toner discharge opening; locking projections for snap-fitting engagement with holes provided in a cylindrical member of an image forming apparatus, wherein the projections receive from the cylindrical member unsealing forces for unsealing the toner discharge opening by a relative movement between the sealing portion and the toner container, wherein a number of the locking projections is larger than a number of ribs provided between the holes of the cylindrical member. | 05-06-2010 |
20100111561 | SEALING MEMBER, TONER ACCOMMODATING CONTAINER AND IMAGE FORMING APPARATUS - A toner container detachably mountable to an image forming apparatus, includes a main body for containing toner; a sealing portion for sealing the toner discharge opening; locking projections for snap-fitting engagement with holes provided in a cylindrical member of an image forming apparatus, wherein the projections receive from the cylindrical member unsealing forces for unsealing the toner discharge opening by a relative movement between the sealing portion and the toner container, wherein a number of the locking projections is larger than a number of ribs provided between the holes of the cylindrical member. | 05-06-2010 |
20100135690 | Laser Printer Toner Cartridge Seal and Method - A reassembled laser printer toner cartridge and method of manufacture including a cartridge seal assembly in which the remains of an OEM laser printer toner cartridge's toner hopper pull seal strip(s) is left in position, or a substitute conductive strip is put in the same position to simulate the OEM pull seal strip(s) if the OEM strips have been damaged or are missing in order to enable a repaired or remanufactured cartridge to cooperate with the printer in detecting measuring and displaying the amount of toner consumed from the cartridge and shut the printer down, once the toner cartridge is empty, and a toner cartridge hopper foam seal strip assembly that covers the remnants of the OEM seal strips and provides a seal to prevent leakage of toner from the re-filled toner cartridge. | 06-03-2010 |
20100150605 | DEVELOPER SUPPLY CONTAINER - A developer supply container detachably mountable to an image forming apparatus includes a first chamber, provided with a first opening, for accommodating a developer; a second chamber for receiving the developer from the first chamber through the first opening, the second chamber being provided with a second opening for permitting discharge of the developer to an outside of the developer supply container; a first sealing member for sealing the first opening; a second sealing member for sealing the second opening; and a connecting mechanism for interrelating an unsealing operation of the first opening with an unsealing operation of the second opening, while permitting a resealing operation of the second opening by said second sealing member without resealing the first opening by the first sealing member. | 06-17-2010 |
20100226682 | DEVELOPER CONTAINER, DEVELOPING DEVICE, AND PROCESS CARTRIDGE - A developer container, which contains a developer to be supplied to a developing chamber in an electrophotographic image forming apparatus, the developer container including: a partition wall partitioning the container from the chamber; a conveying member conveying the developer to an opening in the partition wall to supply the developer to the chamber; a sealing member attached to a wall surface of the partition wall to cover the opening; an extending portion extending from the sealing member to an outside of the container, wherein, when the extending portion is pulled, the sealing member is separated into a remaining portion and a removal portion, and a free end of the remaining portion is positioned below an upper edge of the opening; and a spacing holding member disposed between the wall surface of the partition wall and the sealing member to hold a spacing between the wall surface and the sealing member. | 09-09-2010 |
20100232827 | Liquid Container And Image Forming Apparatus Employing The Liquid Container - A liquid container is detachably mountable in an image forming apparatus having a liquid introducing member. The liquid container includes a storage unit, a supply port assembly, and an elastic seal member. The storage unit is disposed in the liquid container to store a liquid usable for image formation. The supply port assembly is mounted in the storage unit and has a supply channel therein. The liquid introducing member of the image forming apparatus is inserted into the supply port assembly. The elastic seal member is disposed in the supply port assembly. When penetrated by the liquid introducing member, the elastic seal member moves together with the liquid introducing member relative to the supply port assembly to open and close the supply channel. | 09-16-2010 |
20100272465 | Developer Cartridge Having Inner and Outer Casings - A developer cartridge includes an inner casing, an outer casing, a sealing member, an inner protrusion and an outer protrusion. The inner casing is configured, to accommodate toner therein, the inner casing having a circular cylindrical shape whose axis extends in an axial direction, the inner casing being formed with an inner opening, the inner casing having an outer peripheral surface defining a circumferential direction. The outer casing is configured to accommodate the inner casing therein, the outer casing having a circular cylindrical shape and being formed with an outer opening, the outer casing and the inner casing being capable of rotating relative to each other between a first position where the inner opening and the outer opening are in communication with each other and a second position where the outer casing covers the inner opening. The sealing member is elastically deformable and is provided on the outer peripheral surface of the inner casing and surrounds the inner opening. The inner protrusion protrudes from the outer peripheral surface of the inner casing toward the outer casing. The outer protrusion protrudes from the outer casing toward the inner casing, and serves to maintain a prescribed gap between the inner casing and the outer casing, the outer protrusion being in separation from the inner protrusion in the circumferential direction at the first position, and the outer protrusion being in riding contact with the inner protrusion at the second position to displace the outer casing toward the inner opening and to elastically squash the sealing member between the inner casing and the outer casing in the second position. | 10-28-2010 |
20100310270 | Angled Seal for Laser Toner Cartridge Hopper - A remanufactured laser printer toner cartridge having a foam gasket seal with the transverse edge of the inner periphery extending from a longitudinal edge at an acute angle, preferably about 22 degrees, which angled edge prevents post testing excess toner from building up into a roll and jamming at the exit port as the remanufactured cartridge's pull strip is pulled when making the cartridge ready to install into the printer, and minimizes the likelihood that the gasket will be pulled off of the cartridge hopper section and jam the pull seal exit port as the pull seal is removed from the cartridge. | 12-09-2010 |
20110026965 | Methods for sealing toner opening ports of printer cartridges - A method of sealing a toner opening port of a printer cartridge comprises inserting a seal through a toner exit port leading to the toner opening port which is configured to be covered by a toner exit port plug. The seal comprises a seal frame and a first pull tab attached to the seal frame with a first adhesive, and a second pull tab attached to the seal frame with a second adhesive, the second adhesive being different from the first adhesive. The method further comprises allowing the first pull tab to cover the toner opening port, detaching the second pull tab from the seal frame, and applying pressure to the seal frame thereby allowing the second adhesive to attach the seal frame to the printer cartridge, wherein the first pull tab is configured to be detached from the seal frame without substantially adhering to the toner exit port plug. | 02-03-2011 |
20110038647 | TONER CARTRIDGE - A toner cartridge containing: a toner container including an opening and configured to contain a toner; and an engaging member containing a ring-shaped seal member disposed on a seal member installation surface, and being engaged with the toner container to cover the opening and rotatably mounted to the toner container while an edge of the opening is frictionally slid on a surface of the seal member, wherein the toner container is configured to convey the toner into the engage member through the opening and discharge the toner therefrom as the toner container is rotated, the seal member includes a non-contact portion at a surface thereof facing the installation surface and being free from any contact with the installation surface so that the engage member includes a space extending from the surface of the seal member where the edge of the opening is frictionally slid to the non-contact portion. | 02-17-2011 |
20110058846 | CARTRIDGE - A cartridge includes: a first frame member which has an opening through which a developer accommodated therein is fed; a sealing member which seals the opening and which is pulled out to unseal the opening; a second frame member which sandwiches the sealing member with the first frame member; a welding portion which is formed on one of the first frame member and the second frame member and adapted to weld the first frame member and the second frame member at an area outside the opening; and a sandwiching portion which is formed on one of the first frame member and the second frame member and which is melted with the welding of the welding portion at an area outside the opening and inside the welding portion to sandwich the sealing member between the first frame member and the second frame member. | 03-10-2011 |
20110085820 | Developing device and image forming apparatus using the same - Disclosed herein is a developing device. The developing device includes a housing having a toner containing unit and a developing unit, a partition member, having a toner supply window, coupled to the housing to partition the toner containing unit and the developing unit, a barrier film attached to the partition member to close the toner supply window, the barrier film having one end exposed out of the housing through a discharge port provided at a side wall of the housing, and a sheet member to guide and discharge the barrier film out of the housing. | 04-14-2011 |
20110097107 | SEALING MEMBER, TONER ACCOMMODATING CONTAINER AND IMAGE FORMING APPARATUS - A toner container detachably mountable to an image forming apparatus, includes a main body for containing toner; a sealing portion for sealing the toner discharge opening; locking projections for snap-fitting engagement with holes provided in a cylindrical member of an image forming apparatus, wherein the projections receive from the cylindrical member unsealing forces for unsealing the toner discharge opening by a relative movement between the sealing portion and the toner container, wherein a number of the locking projections is larger than a number of ribs provided between the holes of the cylindrical member. | 04-28-2011 |
20110103823 | DEVELOPING CARTRIDGE AND PROCESS CARTRIDGE - A developing cartridge is detachably mountable to a main assembly of an image forming apparatus by passing through a mounting guide provided in the main assembly. The developing cartridge includes a frame; a developer carrying member for carrying a developer for developing an electrostatic latent image; a portion to be guided for being guided by the mounting guide when the developing cartridge passes through the mounting guide; an accommodating portion for accommodating the developer; a seal member for unsealably sealing an opening for permitting supply of the developer from the accommodating portion to the developer carrying member; and a grip member, provided at a longitudinal end portion of the seal member, including a fixed portion dismountably fixed on the frame and a grip portion to be gripped when the seal member is removed. The grip portion is disposed in a state in which the grip portion is bent relative to the fixed portion in a direction crossing a mounting direction of the developing cartridge. The grip portion prevents mounting of the developing cartridge by contacting a part of the image forming apparatus when the developing cartridge is mounted in the main assembly of the image forming apparatus. | 05-05-2011 |
20110123216 | TONER CONTAINER AND MANUFACTURING METHOD FOR TONER CONTAINER - A toner container includes a cylindrical container body, having a first opening in a first end thereof and a notch in a circumferential surface thereof continuous with the first opening in the first end, a flange member to engage the first opening and the notch in the container body and having a toner outlet therein through which toner in the container body is discharged, a shutter member disposed on the outer circumferential surface of the container body, a conveyance member, rotatably installed inside the container body to convey the toner from a second end of the container body opposite the first end to the toner outlet in the flange member, and a recessed portion in the container body that projects inward into the interior of the toner container 5 mm or less from an inner surface of the container body. | 05-26-2011 |
20110229190 | Processing Cartridge - The present invention relates to a processing cartridge, comprising a developing unit and a photosensitive unit, of which the latter consists of a photosensitive member and a developer chamber and has a developer outlet connecting the chamber and a sealing cap matching the developer outlet and used to seal the said outlet. Based on the said technical proposal, the photosensitive unit is designed with a developer outlet connecting the chamber and with a sealing cap matching the developer outlet and used to seal the said outlet, so, when the photosensitive unit becomes full with developer, the sealing cap can be opened to remove the developer in the photosensitive unit, which facilitates the cleaning without affecting the normal operation of the processing cartridge. | 09-22-2011 |
20110262180 | TONER CARTRIDGE AND IMAGE FORMING APPARATUS - According to one embodiment, in a toner cartridge, an engaging member includes a first engaging section and a sealing tape is fixed to the engaging member. A shutter includes a second engaging section and moves between a shutter first position where the shutter overlaps a toner supply port in plan view and a shutter second position where the shutter does not overlap the toner supply port in plan view. A lever includes a third engaging section and a fourth engaging section. The lever is present in a lever first position where the third engaging section and the first engaging section are disengaged. According to movement of the shutter, the lever moves in a first direction from the lever first position to a lever second position where the third engaging section engages with the first engaging section. Thereafter, the lever moves in a second direction opposite to the first direction from the lever second position to move the engaging member and the sealing tape in the second direction. | 10-27-2011 |
20110280611 | TONER BOX HAVING TONER SEAL - A toner box includes: a main body; a shutter; and a toner seal. The main body is configured to accommodate toner therein and that has a main-body-side communication through-hole, through which an interior and an exterior of the main body communicate. The shutter is disposed so as to be capable of moving between an open position in which the shutter opens the main-body-side communication through-hole, and a closed position in which the shutter closes the main-body-side communication through-hole. The toner seal is configured to be disposed between the main body and the shutter and to surround a perimeter of the main-body-side communication through-hole when the shutter is in the closed position. The toner seal includes: an elastic layer provided with a fixing surface; and a mesh layer disposed on a surface of the elastic layer opposite to the fixing surface. | 11-17-2011 |
20110280612 | TONER BOX AND DEVELOPING DEVICE HAVING THE SAME - A toner box includes: a main body; a shutter; and a shutter cover. The main body is configured to accommodate toner therein and has a main-body-side communication through-hole, through which an interior and an exterior of the main body communicate. The shutter is disposed so as to be capable of moving between an open position in which the shutter opens the main-body-side communication through-hole, and a closed position in which the shutter closes the main-body-side communication through-hole. The shutter cover is configured to cover part of the shutter and that is elastically deformable. | 11-17-2011 |
20110280613 | SHUTTER DEVICE, TONER STORAGE UNIT AND IMAGE FORMING APPARATUS - A shutter device includes a main body and a seal member. The main body is an annular body fitted around an outside of one end of a cylindrical tube which includes a discharge outlet in a part of the circumferential face near the end in the axial direction, and includes a first opening having a same shape as the discharge outlet and a second opening having a first opening end and a second opening end. The seal member has a length equal to a distance from a vicinity of the first opening end on an outer circumferential face of the main body, passing across the first opening, the second opening end and the first opening on an inner circumferential face of the main body in the stated order, to a vicinity of the second opening end. | 11-17-2011 |
20110293319 | Tubular Skiving Seal for a Rotary Toner Metering Mechanism - A toner container system includes a reservoir for containing toner having a rotatable member positioned within an opening through the reservoir and a skiving seal for blocking toner from entering a gap between the opening and the rotatable member. The skiving seal is positioned along the length of the rotatable member and is adhesively affixed adjacent to the rotatable member along the gap in the skiving direction of rotation of the rotatable member. The skiving seal includes a flexible sheet having a length corresponding to the length of the gap and a tubular portion adjacent to the gap formed by folding the flexible sheet over itself from an edge extending along the length of the flexible sheet, without creasing the fold, and adhering a portion of the folded portion of the flexible sheet to the surface of the flexible sheet along the length of the flexible sheet. | 12-01-2011 |
20110293320 | STOPPER FOR DEVELOPER FILLING PORT AND DEVELOPING DEVICE - A stopper for plugging a developer filling port includes a stopper main body and a lock member engageable with the stopper main body. The stopper main body is configured to be fitted to the filling port and shaped like a tube with a bottom. The lock member has a rigidity greater than that of the stopper main body, the lock member engaged with the stopper main body serves to restrict deformation of the stopper main body. A developing device for use in an image forming apparatus includes the stopper configured as described above to be fitted to its developer filling port. | 12-01-2011 |
20120033988 | Toner Cartridge - A toner cartridge, a main casing accommodates therein toner and is formed with an opening which provides communication between an interior and an exterior of the main casing. A shutter is movable along the main casing by an external driving force applied in a force direction between a closed position at which the shutter closes the opening and an open position at which the shutter opens the opening. A toner seal is formed with a seal opening opposing the opening of the main casing, and interposed between the main casing and the shutter when the shutter is positioned at the closed position. A guide portion is configured to guide a movement of the shutter in an inclined direction inclined with respect to the force direction. | 02-09-2012 |
20120063807 | SEALING MEMBER, TONER ACCOMMODATING CONTAINER AND IMAGE FORMING APPARATUS - A toner container detachably mountable to an image forming apparatus includes a main body for containing toner, a toner discharging portion having an opening, and a coupling member. The coupling member includes an extended portion. The extended portion includes an engaging projection. The engaging projection is configured and positioned to displace in an inward direction with the extended portion as the engaging projection enters a hollow cylindrical driving member of an assembly of the image forming apparatus, and is also configured and positioned to engage with a slot of the hollow cylindrical driving member when the extended portion elastically restores in an outward direction. The engaging projection includes a tapered surface portion configured and positioned to receive a force for displacing in the inward direction with the extended portion as the engaging projection enters the hollow cylindrical driving member, and a side surface portion. | 03-15-2012 |
20120070184 | WINDING MEMBER, CARTRIDGE, AND CARTRIDGE ASSEMBLING METHOD - A winding member winds a seal member that seals an opening of a developer storage unit. The winding member includes a first holding portion having a first engaging portion, and a second holding portion having a second engaging portion to be engaged with the first engaging portion, configured to hold the sealing member between the first and second holding portions, wherein an end of the first holding portion and an end of the second holding portion are connected, so that the first holding portion and the second holding portion are relatively movable, and wherein the first engaging portion is engaged with the second engaging portion while the sealing member is held between the first holding portion and the second holding portion. | 03-22-2012 |
20120087694 | Toner Container - A toner container includes a main casing, a shutter, and a seal member. The main casing accommodates toner and is formed with a communication hole through which an interior and an exterior of the casing communicate. The shutter is selectively movable between an open position and a closed position for opening and closing the communication hole, respectively, and in either one of an opening direction and a closing direction. A shutter base portion includes edges, one positioned downstream of the other in the closing direction; and a folded portion. The seal member, configured to encircle the communication hole, is disposed between the casing and the shutter in the closed shutter position. The base portion slidingly contacts the seal member when the shutter moves between the open and closed positions. The folded portion is folded at one edge to be positioned opposite to the seal member relative to the base portion. | 04-12-2012 |
20120195626 | SEALING MEMBER FOR USE WITH A TONER OR DEVELOPER SUPPLY CONTAINER - A sealing member for unsealably sealing a toner opening of a toner or developer container mountable to an image forming apparatus. In one embodiment, a sealing member has a base member, a first coupling engagement portion and a second coupling engagement portion protruding away from the base member axially, a central member protruding away from the base member axially, wherein the central member has a cylindrical portion defining an opening therein, and at least one supporting member projected radially outwardly from the peripheral surface of the cylindrical portion, wherein the central member is formed to be concentric with the base member axially and positioned between the first coupling engagement portion and the second coupling engagement portion. | 08-02-2012 |
20120263492 | Laser Printer Toner Cartridge Seal and Method - A reassembled laser printer toner cartridge and method of manufacture including a cartridge seal assembly in which the remains of an OEM laser printer toner cartridge's toner hopper pull seal strip(s) is left in position, or a substitute conductive strip is put in the same position to simulate the OEM pull seal strip(s) if the OEM strips have been damaged or are missing in order to enable a repaired or remanufactured cartridge to cooperate with the printer in detecting measuring and displaying the amount of toner consumed from the cartridge and shut the printer down, once the toner cartridge is empty, and a toner cartridge hopper foam seal strip assembly that covers the remnants of the OEM seal strips and provides a seal to prevent leakage of toner from the re-filled toner cartridge. | 10-18-2012 |
20130034368 | DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS INCLUDING SAME - A development device includes a development casing for containing two-component developer, a developer bearer, a developer regulator to adjust an amount of developer carried on the developer bearer, a first developer conveyance member to supply developer to the developer bearer, a second developer conveyance member to transport axially developer separated from the developer bearer, first and second conveyance channels divided by a partition, in which the first and second developer conveyance members are respectively provided, and a removable sheet member to cover the developer bearer in an area facing the developer regulator, the first and second conveyance channels, and the partition. A first end portion of the sheet member extends from the second conveyance channel outside the development casing through a through hole formed in the development casing, and a second end portion thereof is retained by a retainer at a position outside the developer regulator. | 02-07-2013 |
20130089357 | Developer Container Provided with Cap for Covering Filling Port - A developer container includes: a casing having a filling port and a cap for covering the filling port. The filling port is defined by a cylindrical through-hole having an inner peripheral surface, and a protruding portion protruding radially inward from the inner peripheral surface. The cap is attached to the casing in a first direction. The cap includes: a main body portion in a tubular shape having an outer peripheral surface; and a flange portion protruding radially outward from the outer peripheral surface in annular fashion. The flange portion is positioned downstream of the main body portion in the first direction and configured to be in contact with the inner peripheral surface. The protruding portion is positioned upstream of the flange portion in the first direction upon attachment of the cap to the casing. | 04-11-2013 |
20130121720 | CARTRIDGE AND UNIT - A cartridge detachably mountable to a main assembly of an image forming apparatus includes a cartridge frame formed of a resin material; a plurality of resin members molded on the cartridge frame by injection molding of a resin material different from that of the cartridge frame; a plurality of contact surfaces, provided on the cartridge frame, to which metal molds corresponding to the resin members are to be contacted from the same side when the resin members are molded; and a plurality of resin material inlet ports, provided in an opposite side of said cartridge frame from a side where the contact surfaces are provided. The resin material has been flowed into the cartridge frame when the resin members are molded. | 05-16-2013 |
20130121721 | DEVELOPER CONVEYANCE APPARATUS DEVELOPING APPARATUS AND PROCESS CARTRIDGE - A developer conveyance apparatus includes a developer storage portion storing developer, an opening for supplying developer from the developer storage portion, a sealing member configured to seal the opening, a removing member configured to remove the sealing member, and a conveyance portion arranged inside the developer storage portion and configured to convey the developer in a predetermined developer conveyance direction, wherein the conveyance portion can move between a first position and a second position on the upstream side with respect to the first position in the developer conveyance direction, and wherein when the conveyance portion receives a force not smaller than a predetermined magnitude from the developer with the conveyance portion rotating while the removing member is removing the sealing member from the opening, the conveyance portion moves from the first position to the second position. | 05-16-2013 |
20130129377 | DEVELOPER ACCOMMODATING CONTAINER AND PROCESS CARTRIDGE - A developer accommodating container for accommodating a developer, includes: a frame provided with a hole; a rotatable member penetrating the hole; and a seal member, provided on the frame by injection molding, for sealing a gap between a circumference of the hole of the frame and an outer peripheral surface of the rotatable member to prevent the developer from leaking out of the developer accommodating container. The seal member includes a projected portion which projects toward an inside of the hole and contacts the outer peripheral surface of the rotatable member. | 05-23-2013 |
20130129378 | CARTRIDGE AND UNIT - A cartridge detachably mountable to a main assembly of an image forming apparatus, includes: a rotatable member; a blade member contacted to the rotatable member; a frame, formed of a resin material, for supporting the blade member; and a seal member provided on the frame to be contacted to a portion of the blade member, opposite from a portion where the blade member is contacted to the rotatable member, in each of one end side and anther end side of the blade member with respect to an axial direction of the rotatable member, wherein the seal member is formed on the frame by injection molding for sealing a gap between the blade member and the frame. | 05-23-2013 |
20130136489 | DEVELOPER ACCOMMODATING UNIT, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A developer accommodating unit includes a flexible developer accommodating container sealed with a sealing member at its developer discharging opening; a rotatable unsealing member for removing the sealing member from the opening; a drive transmission member for transmitting a rotational force to the unsealing member, wherein the drive transmission member is mounted at one longitudinal end portion of the unsealing member and is rotatably assembled with a frame; and a supporting member for supporting the unsealing member when the unsealing member is assembled. The supporting member includes a preventing portion for preventing the unsealing member from dropping from the supporting member. In a state in which the drive transmission member is assembled with the frame, a gap between the unsealing member and the supporting member is larger than a gap between the drive transmission member and the frame. The unsealing member is spaced from the supporting member. | 05-30-2013 |
20130136490 | Cap for Developer Container and Developer Container Having the Same - In a cap for sealing a filling port formed in a developer container, a base is in the shape of a circular plate. A first cylindrical portion is in the shape of a cylinder extending from a peripheral portion of the base in a first direction. A second cylindrical portion is in the shape of a cylinder extending from the peripheral portion of the base in a second direction that is opposite to the first direction. A first projecting portion projects radially outwardly from an outer circumferential surface of the first cylindrical portion with a predetermined projecting amount. A second projecting portion projects radially outwardly from an outer circumferential surface of the second cylindrical portion with a projecting amount equal to the predetermined projecting amount of the first projecting portion. | 05-30-2013 |
20130142541 | DEVELOPING APPARATUS, PROCESS CARTRIDGE AND METHOD FOR ASSEMBLING DEVELOPING APPARATUS - A developing device for an image forming apparatus, comprising a frame provided with a developer accommodating chamber accommodating a developer, and a development opening for supplying the developer from an inside of the developer accommodating chamber to an outside; a first sealing member sealing the development opening, the first sealing member being dismountable from the development opening by being pulled out through a pulling opening provided in the frame; and a second sealing member for sliding on the first sealing member to prevent the developer from leaking to an outside of the frame through the pulling opening when the first sealing member is pulled through the pulling opening, wherein the second sealing member is integrally molded on the frame by injecting a thermoplastic elastomer into a space between the first sealing member and an edge of the pulling opening. | 06-06-2013 |
20130142542 | DEVELOPER CONTAINER AND IMAGE FORMING DEVICE - A developer container includes a casing having a developer accommodating chamber and a waste-developer accommodating chamber, conveying member, a conveying-member accommodating unit, and a supporting member. The conveying member conveys waste developer in a longitudinal direction of the waste-developer accommodating chamber. The conveying-member accommodating unit accommodates the conveying member therein and has a first opening and a second opening. The first opening is provided in an upstream end portion and allows the waste developer to move from outside of the conveying-member accommodating unit to the inside of the conveying-member accommodating unit. The second opening allows the waste-developer to move from the inside of the conveying-member accommodating unit to the waste-developer accommodating chamber. The supporting member is provided on the casing. The supporting member supports the conveying-member accommodating unit such that the conveying-member accommodating unit is movable in directions perpendicular to the longitudinal direction relative to the casing. | 06-06-2013 |
20130156462 | Tubular Skiving Seal for a Rotary Toner Metering Mechanism and Methods for Forming the Tubular Skiving Seal - A skiving seal for blocking toner from entering a gap between adjacent a rotatable member in a toner container system of an image forming apparatus. The skiving seal includes a flexible sheet having a surface and a length. The skiving seal includes a tubular portion formed by folding the flexible sheet over itself from an edge extending along the length of the flexible sheet without creasing the fold and adhesively adhering a portion of the folded portion of the flexible sheet to the surface of the flexible sheet along the length of the flexible sheet. The skiving seal includes an adhesive-coated area unobstructed on the surface of the flexible sheet for adhesively affixing the skiving seal in the toner container system. | 06-20-2013 |
20130230334 | HEAT SEALED REMANUFACTURED TONER CARTRIDGE - A remanufactured toner cartridge includes a wall defining a fill hole that is used to refill the cartridge with toner. A patch covers the fill hole, and a heat activated adhesive non-removably attaches the patch to the wall. The fill hole can be formed with a heat knife such that when the heat knife is withdrawn it forms a raised ridge of material extending around the perimeter of the fill hole. The patch is attached to the wall by applying heat and pressure to the patch, which also softens and at least partially flattens the ridge of material surrounding the fill hole such that the patch is substantially flush with the wall upon completion of the operation. | 09-05-2013 |
20130294797 | DEVELOPER SUPPLY CONTAINER - A developer supply container includes a cover plate mounted on an outer surface of a container body and provided with an opening corresponding to a developer supply port of the container body, which is sealed by a seal tape. The seal tape has a folded section extending through a gap between the container body and the cover plate and a through hole of the cover plate such that an end portion of the seal tape is exposed. A seal piece is mounted on an outer surface of the cover plate. On the outer surface of the container body a door member is slidably mounted. The developer supply container can prevent developer from leak out and has a good manufacturing yield rate. | 11-07-2013 |
20130302063 | DEVELOPING APPARATUS HAVING A SPACER AND A LEAKAGE PREVENTER - A developing apparatus includes an organic photo conductor, an OPC frame part to support the organic photo conductor, a developing roller to develop a latent image formed on the organic photo conductor by supplying a developer, a developing roller frame part to support the developing roller, a developer storing part to store the developer and provided with a supplying opening through which the developer is supplied to the developing roller, a spacer removably interposed between the OPC frame part and the developing roller frame part and spacing the OPC frame part from the developing roller frame part such that the organic photo conductor and the developing roller do not contact each other, a leakage preventer removably attached to and sealing the supplying opening, and a connecting part to connect the spacer with the leakage preventer. Thus, the spacer and the leakage preventer are capable of being removed simultaneously. | 11-14-2013 |
20130308971 | DEVELOPER ACCOMMODATING UNIT, DEVELOPING DEVICE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A developer accommodating unit includes: a developer accommodating member, provided with an opening for permitting discharge of a developer, for accommodating the developer; a sealing member including a connecting portion for being connected to the developer accommodating member so as to seal the opening; and an unsealing member for exposing the opening by moving the sealing member to peel the connecting portion from the developer accommodating member. The connecting portion includes a first connecting portion and a second connecting portion with respect to a longitudinal direction thereof. When the connecting portion is peeled from the developer accommodating member, the unsealing member is flexed so that the first connecting portion is peeled earlier than the second connecting portion. | 11-21-2013 |
20130308972 | DEVELOPER ACCOMMODATING UNIT, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A developer accommodating unit includes: a container, provided with an opening for permitting discharge of a developer, for accommodating the developer; a sealing member for sealing the opening by being mounted on the container and for being peeled from the container to expose the opening; and an unsealing member for unsealing the opening by moving the sealing member to peel the sealing member from the container. The sealing member includes a sealing portion defined in an end side thereof to seal the opening, a holding portion defined in another end side thereof to be held by the unsealing member, and a developer passing portion formed between the sealing portion and the holding portion to permit passing of the developer therethrough. | 11-21-2013 |
20130308973 | DEVELOPER ACCOMMODATING UNIT, PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - With respect to an unsealing direction in which exposure of a discharging portion | 11-21-2013 |
20140016961 | DEVELOPER ACCOMMODATING CONTAINER, PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A developer accommodating container for accommodating a developer includes a developer bag | 01-16-2014 |
20140029973 | POWDER STORAGE CONTAINER AND IMAGE FORMING APPARATUS - A powder storage container capable of preventing erroneous opening of a powder loading port. The powder storage container includes a powder storage part configured to store a developer used for image forming, a powder discharge part provided on one end part of the powder storage part to discharge the developer stored in the powder storage part, a gripping part protruding through an end face of the one end part side of the powder storage part, a powder loading port causing an inner space of the powder storage part and an outer portion of the powder storage part to communicate with each other, and a sealing member capable of sealing the powder loading port. The powder loading port is enclosed by the gripping part. | 01-30-2014 |
20140029974 | DEVELOPER ACCOMMODATING UNIT, PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A developer accommodating unit for accommodating a developer for image formation. A flexible container includes a developer accommodating portion for accommodating the developer and an opening for permitting discharge of the developer. The flexible container also includes a superposed multi layer sheet structure portion for forming the developer accommodating portion. A sealing member seals the opening and an unsealing member moves the sealing member to unseal the opening. A frame that accommodates the flexible container, the sealing member, and the unsealing member includes a fixing portion for fixing the flexible container. A fixed portion fixed to the fixing portion is provided at the superposed multi layer sheet structure portion of the flexible container, and an interlayer bonding portion between the superposed layers is provided between the fixed portion of the multi layer sheet structure portion and the developer accommodating portion. | 01-30-2014 |
20140037327 | Developing Device - A developing device including a first frame including a first welding surface and a second frame including a second welding surface, wherein the first frame and the second frame are welded so that the first welding surface and the second welding surface are opposite to each other, and wherein the developing device further includes: a seal member that is adhered to a first adhesion surface of the first frame and a second adhesion surface of the second frame, wherein the seal member covers a first side end portion from a first side in an orthogonal direction at an opposite part, where the first welding surface and the second welding surface are disposed opposite one another; and a filling agent that is filled between the seal member and the first side end portion in the orthogonal direction at the opposite part. | 02-06-2014 |
20140072329 | DEVELOPER ACCOMMODATING UNIT - A developer accommodating unit for accommodating a developer includes: a flexible container, provided with an opening for permitting discharge of the developer, for accommodating the developer; and a frame. The flexible container is provided with a fastening hole for fastening said flexible container in said frame. The frame includes a fixing shaft portion fixed in the fastening hole by being inserted into the fastening hole and includes a retaining portion for preventing the fixing shaft portion from being disengaged from the fastening hole. The fastening hole is locked by fitting the fastening hole around the fixing shaft portion while an edge of the fastening hole rides over the retaining portion by elastic deformation thereof. | 03-13-2014 |
20140072330 | DEVELOPER ACCOMMODATING UNIT, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A developer accommodating unit includes: a flexible container including an opening for permitting discharge of a developer; a sealing member for forming a bonding portion between itself and the flexible container; an unsealing member; and an accommodating container. The bonding portion includes a first bonding portion extending in a longitudinal direction of the sealing member at a periphery of the opening in an upstream side of a peeling direction of the sealing member, a second bonding portion extending in the longitudinal direction at the periphery of the opening in a downstream side of the peeling direction, and a third bonding portion bonded upstream of the first bonding portion with respect to the peeling direction. When the sealing member exposes the opening, the bonding portion is peeled in the order of the third bonding portion, the first bonding portion and the second bonding portion. | 03-13-2014 |
20140072331 | DEVELOPER ACCOMMODATING CONTAINER, DEVELOPER ACCOMMODATING UNIT, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A developer accommodating container for accommodating a developer includes; an opening for permitting discharge of the developer; and a sealing member, mounted on the developer accommodating container, capable of exposing the opening by being moved. At least a part of the sealing member is formed of a material having compatibility with a material for forming the developer accommodating container and a material having incompatibility with the materiel for forming the developer accommodating container. Either one of the material having the compatibility and the material having the incompatibility is dispersed in the other one of the materials. | 03-13-2014 |
20140079432 | DEVELOPER ACCOMMODATING CONTAINER, DEVELOPER ACCOMMODATING UNIT, PROCESS CATRIDGE, ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A fixing portion | 03-20-2014 |
20140086620 | DEVELOPER ACCOMMODATING CONTAINER, DEVELOPING CATRIDGE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A developer accommodating container for accommodating a developer includes: a toner seal member for unsealably sealing an opening of the developer accommodating container; an unsealing member, connected to an end portion of the toner seal member, for unsealing the opening by moving at least a part of the toner seal member; and an auxiliary unsealing member for assisting unsealing by changing a pulling direction of the toner seal member by the unsealing member. The auxiliary unsealing member includes a shaft portion or a projected portion. The shaft portion or the projected portion extends in a longitudinal direction of the developer accommodating container. | 03-27-2014 |
20140086621 | CARTRIDGE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A cartridge includes: a toner chamber; and a toner supplying chamber for supplying a toner through a developer supply opening communicating with the toner chamber. The toner chamber includes: a feeding portion, including a rotatable member and a feeding sheet connected with the rotatable member, for feeding the toner from the toner chamber to the toner supplying chamber; and a toner seal member, including a first end portion and a second end portion, for unsealing the toner supply opening by being wound up by the rotatable member. During start of unsealing of the toner supply opening, the feeding portion is located below a powder surface of the toner with respect to a direction of gravitation, and the feeding sheet is located in a position where the feeding sheet is contactable to an inner wall of the toner chamber. | 03-27-2014 |
20140093272 | CARTRIDGE AND IMAGE FORMING APPARATUS - A cartridge includes: a toner accommodating frame including a toner feeding opening communicating with a toner feeding chamber and a toner filling port; a rotatable member; and a toner seal member. The toner seal member includes a first fixed portion and a second fixed portion which are fixed on the toner accommodating frame at an edge of the toner feeding opening along a longitudinal direction of the toner feeding opening, and includes a third fixed portion fixed on the rotatable member. With rotation of the rotatable member, the first fixed portion of the toner seal member is peeled off from a fixing portion to open the toner feeding opening. The toner is filled into said toner accommodating frame through the toner filling port such that the toner is first filled into a recess defined by said toner seal member. | 04-03-2014 |
20140126928 | CARTRIDGE, DEVELOPING CARTRIDGE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A cartridge includes: a toner chamber, provided with an opening, for accommodating a toner; and a seal member including a sealing portion, elongated in a longitudinal direction of the cartridge, for unsealably sealing the opening and a mounting portion for being mounted on an unsealing member to unseal the opening. The sealing portion includes a first sealing portion located at a longitudinal end portion and a second sealing portion located at a longitudinal central portion. With respect to a direction crossing the longitudinal direction, a length between the first sealing portion and the mounting portion of the seal member is shorter than a length between the second sealing portion and the mounting portion. | 05-08-2014 |
20140169827 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A developing device includes a developer bearer, a development casing in which a developer conveyance channel is formed facing the developer bearer through a communicating area, a developer supply member disposed in the developer conveyance channel, a developer regulator disposed facing a lower portion of the developer bearer to adjust an amount of developer carried on the developer bearer, and a sheet member that is removably installed to seal the communicating area and passes through a gap between the developer regulator and the developer bearer and an opening formed in the development casing. A first end of the sheet member is retained downstream from the gap in a direction of rotation of the developer bearer, and the sheet member is fixed to the development casing at a position across the communicating area from the first end with a second end positioned outside the development casing. | 06-19-2014 |
20140199092 | DEVELOPER ACCOMMODATING UNIT, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A developer accommodating unit for accommodating a developer includes: a flexible container provided with an opening for permitting discharge of the accommodated developer; a sealing member for sealing the opening and for exposing the opening by being moved in a direction crossing a longitudinal direction of the developer accommodating unit; an unsealing member, mounted to the sealing member, for moving the sealing member; a frame including a fixing portion for fixing the flexible container; and a bonding portion for bonding an end portion of the sealing member and a periphery of the opening. The bonding portion includes a projected portion or recessed portion in a plane of the bonding portion as at least a part thereof, in an upstream side or a downstream side of the opening with respect to an unsealing direction of the opening. | 07-17-2014 |
20140199093 | DEVELOPER ACCOMMODATING CONTAINER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A developer accommodating container for accommodating a developer includes: a flexible container provided with an opening for permitting discharge of the developer; a sealing member for sealing the opening in a state in which the sealing member is bonded to a periphery of the opening, wherein the sealing member is capable of exposing the opening by being removed by pulling; and a reinforcing portion, provided at least as a part of the periphery of the opening, for decreasing a degree of deformation of the opening. | 07-17-2014 |
20140199094 | DEVELOPER ACCOMMODATING UNIT, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A developer accommodating container includes: a flexible container provided with an opening for permitting discharge of a developer; a sealing member, mounted to the flexible container in a state in which the sealing member seals the opening, capable of exposing the opening by being wound up; an unsealing member for winding up the sealing member by being rotated to expose the opening; a frame for accommodating the unsealing member; and a limiting portion for limiting deformation of the unsealing member with respect to a direction of a force applied from the sealing member to the unsealing member when the unsealing member winds up the sealing member. | 07-17-2014 |
20140212166 | ACCOMMODATING CONTAINER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - An accommodating container includes: an accommodating chamber, provided with an opening, for accommodating a developer; a seal member for unsealably sealing the opening; and a rotatable member rotatably supported inside the accommodating chamber. The seal member includes a sealing portion for sealing the opening, a connecting portion connected with the rotatable member, and at least one hole provided between the sealing portion and the connecting portion. The rotatable member includes a shaft portion and at least one projection extending in a direction of being spaced from the shaft portion. The hole and the projection are provided to establish a non-overlapping positional relationship with respect to a direction along the shaft portion. | 07-31-2014 |
20140241752 | DEVELOPER STORAGE CONTAINER, DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A developer storage container includes a first storage member storing a developer, a second storage member fitted to the first storage member, and a sealing member that seals between the first storage member and the second storage member for preventing leakage of the developer. The first storage member includes a first fitting portion. The second storage member includes a second fitting portion fitted to the first fitting portion. The first fitting portion includes a pressing portion pressing the sealing member. The pressing portion includes an inclined portion that faces the second fitting portion. | 08-28-2014 |
20140255058 | TONER BOTTLE CAP AND REFILL MECHANISM - A toner bottle cap has a fixed member and a slide member. The fixed member is stationary relative to a toner bottle and defines a first flow passage. The slide member defines a second flow passage coaxially adjoining the first flow passage in a toner outflow direction and having a peripheral wall in sealing contact with a peripheral wall of the fixed member. The slide member is slideable relative to the fixed member in axial direction of the flow passages. One of the members has a wall part that restricts the cross-section of the flow passage of the one member and defines a toner outflow opening. The other of the members has a stop member projecting axially towards the outflow opening and closes the same when the slide member is in a closed position and opens the outflow opening when the slide member is slid in the toner outflow direction. | 09-11-2014 |
20140294435 | TONER CONTAINER AND IMAGE FORMING APPARATUS WITH A MECHANISM TO SECURE THE TONER CONTAINER - A toner container and system for mounting and/or securing the toner container includes a toner container having a toner dispensing hole, a shutter, a protrusion. The shutter is movable relative to the toner dispensing hole, and is to selectively close the toner dispensing hole. The protrusion is connected to the shutter and movement of the protrusion causes the shutter to move relative to the toner dispensing hole to cover the toner dispensing hole. There is a receiver including a movable catch, the movable catch being in a first position when the toner container is initially inserted into the receiver, and the moveable catch moving to a second position upon insertion of the toner container into the receiver. The moveable catch interacts with the protrusion of the toner container when the toner container is being removed from the receiver such that the moveable catch in the second position restricts movement of the protrusion of the toner container which closes the shutter as the toner container is withdrawn from the receiver. | 10-02-2014 |
20140348535 | DEVELOPER CONTAINER, DEVELOPING CARTRIDGE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A developer container includes: a developer chamber, provided with an opening, for accommodating a developer; a rotatable member rotatably supported in the developer chamber; and a sealing member for being removed at the opening by being wound up by the rotatable member, wherein the sealing member is provided in the developer chamber and includes a first end portion connected to the rotatable member and a second end portion sealing the opening. Sealing of the opening is made by bonding the sealing member along an edge of the opening. The developer container includes a first bonding portion provided upstream of the opening and a second bonding portion provided downstream of the opening with respect to an unsealing direction of the sealing member. A peeling-off force for peeling off the sealing member at a predetermined angle is larger at the first bonding portion than at the second bonding portion. | 11-27-2014 |
20140356020 | DEVELOPER CONTAINER, DEVELOPING CARTRIDGE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A developer container includes: a developer accommodating chamber, provided with an opening, for accommodating a developer; a sealing member bonded to the developer accommodating container so as to block the opening; and a rotatable member, having a connecting surface where the sealing member is connected thereto, for peeling off the sealing member from the opening by rotation thereof. The connecting surface has a rectangular shape which has a long side with respect to a rotational axis direction of the rotatable member and which is twisted in a rotational direction of the rotatable member. | 12-04-2014 |
20140363196 | DEVELOPER ACCOMMODATING UNIT, DEVELOPING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A developer accommodating unit for accommodating a developer includes: an accommodating portion, provided with an opening, for accommodating the developer; a sealing member for sealing the opening; and an unsealing member rotatable for winding up the sealing member. The sealing member is peelable off from the accommodating portion to unseal the opening in a first unsealing direction and a second unsealing direction opposite to the first unsealing direction. | 12-11-2014 |
20140376955 | CARTRIDGE AND IMAGE FORMING APPARATUS - A cartridge detachably mountable to a main assembly of an image forming apparatus includes: a frame; a flexible container, provided with an opening at a side thereof and provided inside the frame, for accommodating a developer; and a sealing member for sealing the opening. The sealing member is removable when being used. The flexible container includes a bottom portion forming a bottom thereof. The bottom portion is provided vertically above a lower end of the opening in a state in which the cartridge is mounted in the main assembly. | 12-25-2014 |
20150132021 | SEALING MEMBER, TONER ACCOMMODATING CONTAINER AND IMAGE FORMING APPARATUS - A toner supply container includes a toner container body including a cylindrical portion and an opening, and a sealing member provided at one axial end portion of the container body. The sealing member is movable relative to the container body in an axial direction and includes a sealing portion provided at a side adjacent the container body and a coupling portion provided at a side remote from the container body. The coupling portion includes a supporting portion provided on the sealing portion, an engaging portion provided at a free end of the supporting portion, and a displacing force receiving portion provided on the supporting portion at a position closer to the container body than the engaging portion. The displacing force receiving portion is displaceable with the supporting portion and has a radially outermost part that is more remote from a rotation axis of the container body than a radially outermost part of the engaging portion, and an outer diameter of at least a part of the cylindrical portion is larger than a diameter of the opening. | 05-14-2015 |
20150139684 | DEVELOPER ACCOMMODATING UNIT WITH FRAMES FOR ACCOMMODATING A DEVELOPER ACCOMODATING MEMBER - A developer accommodating unit for accommodating a developer, including: a flexible container, provided with an opening for permitting discharge of the developer, for accommodating the developer; a sealing member for sealing the opening; and a frame, including a first frame and a second frame, for accommodating the flexible container in a space formed by mounting the first frame to the second frame and for accommodating the developer discharged through the opening of the flexible container when the opening is unsealed. The flexible container is deformed adjacent to longitudinal end portions thereof in a mounting direction of the first frame toward the second frame. | 05-21-2015 |
20150147084 | SEALING MEMBER, TONER ACCOMMODATING CONTAINER AND IMAGE FORMING APPARATUS - A toner supply container includes a toner container body including a cylindrical portion and an opening, and a sealing member provided at one axial end portion of the container body. The sealing member is movable relative to the container body in an axial direction and includes a sealing portion provided at a side adjacent the container body and a coupling portion provided at a side remote from the container body. The coupling portion includes a supporting portion provided on the sealing portion, and an engaging portion provided at a free end of the supporting portion, and a displacing force receiving portion is provided on the supporting portion at a position closer to the container body than the engaging portion. The displacing force receiving portion is displaceable with the supporting portion and has a radially outermost part that is more remote from a rotation axis of the container body than a radially outermost part of the engaging portion, and a radially outermost part of the container body is more remote from the rotation axis of the container body than the radially outermost part of the displacing force receiving portion. | 05-28-2015 |
20150346631 | TONER CARRIER - A toner carrier includes a metal core, a barrel formed on an outer circumference of the metal core and including at least an elastic layer, and a coating formed on outer circumferences of both ends of the barrel. The coating has a thickness and a width of an outer circumference of the coating is different from a width of an inner circumference of the coating. The width is from an end surface of the barrel along an axis of the barrel, and the width of the outer circumference is larger than the width of the inner circumference so that the end surface of the coating is reversely inclined. | 12-03-2015 |
20150355576 | UNIT AND IMAGE FORMING APPARATUS - A unit for use with an image forming apparatus includes: a frame; a developer accommodating portion; a sheet member, contact to a rotatable member and provided on the frame along a longitudinal direction of the rotatable member; a first end portion seal member for preventing, at a longitudinal end portion, the developer from leaking out from between the frame and the rotatable member; and a second end portion seal member for preventing the developer from leaking out from among the first end portion seal member, the sheet member and the frame. The second end portion seal member is formed by injecting, on the frame, a resin material having an elastic modulus smaller than an elastic modulus of the frame so as to contact with the first end portion seal member and the sheet member. | 12-10-2015 |
20150355577 | DEVELOPER ACCOMMODATING UNIT, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A developer accommodating unit includes: a container, provided with an opening for permitting discharge of a developer, for accommodating the developer; a sealing member for sealing the opening by being mounted on the container and for being peeled from the container to expose the opening; and an unsealing member for unsealing the opening by moving the sealing member to peel the sealing member from the container. The sealing member includes a sealing portion defined in an end side thereof to seal the opening, a holding portion defined in another end side thereof to be held by the unsealing member, and a developer passing portion formed between the sealing portion and the holding portion to permit passing of the developer therethrough. | 12-10-2015 |
20150355580 | LEAK BARRIER FOR DEVELOPER CARTRIDGE - A developer barrier sheet is positioned between a developer roller and a developer opening in a developer cartridge to reduce leaking of developer from the developer cartridge during shipping. The barrier sheet may be positioned into a developer cradle area before the developer roller is installed so that, upon installation of the developer roller, the barrier sheet is captured between the developer roller and various cartridge seals that surround the developer opening. | 12-10-2015 |
20150362863 | Toner Cartridge Having Shutter that Selectively Opens and Closes Toner-Supply Hole of the Toner Cartridge - A developing device mountable in a main body of an image forming device includes: a frame, a developer cartridge attachable to the frame, and a maintaining member. The developer cartridge includes: a casing having an opening; and a shutter movable between an open position and a closed position to open and close the opening. The developer cartridge is movable between a first position to be attached to the frame and mountable in the main body and a second position to be partially detached from the frame and incapable of being mounted in the main body. The shutter moves from the closed position to the open position while the developer cartridge moves from the second position to the first position. The maintaining member maintains the shutter at the closed position when the developer cartridge moves from the second position to the first position. | 12-17-2015 |
20160033899 | DEVELOPING DEVICE - A developing device detachably mountable to a main assembly of an image forming apparatus includes: a developing container for accommodating a developer containing a toner and a carrier; a developer carrying member for carrying the developer in the developing container to develop a latent image formed on an image bearing member; a feeding member for feeding the developer in the developing container; a supplying portion for supplying the developer into the developing container; a discharge opening for permitting discharge of an excessive developer, resulting from supply of the developer into the developing container, to an outside of the developing container; a sealing member for sealing the discharge opening to prevent leakage of an initial developer in the developing container; and a removing mechanism for removing the sealing member from the discharge opening by being driven with drive of the feeding member or the developer carrying member. | 02-04-2016 |
20160033900 | DEVELOPER CONTAINER AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A developer container includes a container body, a lid, a movable wall, and a sealing member. The container body includes an inner circumferential surface defining a cylindrical internal space extending in a first direction, and a wall part defining one end surface of the internal space in the first direction. The container body has a developer discharge port closer to the wall part. The movable wall includes an outer circumferential surface and a conveying surface defining a storage space for the developer. The movable wall is movable in the internal space in the first direction from an initial position closer to the lid of the container body to a terminal position closer to the wall part while conveying the developer in the storage space. The wall part has a developer filling port penetrating the wall part and communicating with the storage space. The sealing member seals the developer filling port. | 02-04-2016 |
20160062269 | DEVELOPER CONTAINER AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A developer container includes a housing, a sealing member, and a winder mechanism. The housing includes a storage space and an opening. The sealing member is attached to the housing and sealing the opening. The winder mechanism winds up the sealing member while peeling the sealing member from the housing. The winder mechanism includes an interrupting member operable to interrupt transmission of a torque of a drive transmission mechanism owing to a tension of the sealing member caused by peeling a fold side of the sealing member that includes a first end from the housing. | 03-03-2016 |
20160062270 | DEVELOPER CONTAINER, DEVELOPER STORAGE UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A developer container includes a developer storage chamber that stores developer and includes an opening, a sealing member that seals the opening, an unsealing member that opens the opening by rotating such that the sealing member, apart of which is attached to the unsealing member, is peeled away, a stirring member that is attached to the unsealing member; and a regulating portion that regulates rotation of the unsealing member by contacting the stirring member. The regulating portion is provided to regulate the rotation of the unsealing member when the developer container receives an external force, and allow the unsealing member to rotate such that the opening is opened when the unsealing member receives driving power. | 03-03-2016 |
20160085178 | DEVELOPING DEVICE - A developing apparatus includes a developer container; a sealing member; a driven member receiving unsealing drive; a developer feeding member; a developer carrying member; a motor; a disconnector for disconnecting the drive to the driven member, the disconnector being movable between a driving position and a non-driving position. The disconnector includes an urging member for urging the disconnector toward a non-driving position; and a holding mechanism capable of holding the disconnecting mechanism in the drive transmission position, wherein the holding mechanism is movable from a position for holding the disconnecting mechanism in the drive transmission position to a position for releasing the disconnecting mechanism from the drive transmission position, by a drive from the disconnecting mechanism placed in the drive transmission position. | 03-24-2016 |
20160116862 | DEVELOPING APPARATUS - A developing apparatus includes a developer carrying sleeve; a container body accommodating a developer and rotatably supporting the sleeve; a cover mounted on the container body and configured to cover the sleeve; a first seal fixed to the container body and contacted to the sleeve to seal one end of the sleeve; and a second seal provided on the cover and contacted to the sleeve to seal the one end of the sleeve. The first second seals are disposed without overlapping with each other as seen in the direction of a normal line of the sleeve from a rotation axis of the sleeve. The second seal is disposed such that as seen in a rotational axis direction of the sleeve, it is outside the first seal and between the cover and the sleeve with respect to a circumferential direction of the sleeve and is overlapped with the first seal. | 04-28-2016 |
20160124348 | SEALING MEMBER, TONER ACCOMMODATING CONTAINER AND IMAGE FORMING APPARATUS - A toner supply container includes a toner container body including a cylindrical portion and an opening, and a sealing member provided at one axial end portion of the container body. The sealing member is movable relative to the container body in an axial direction and includes a sealing portion provided at a side adjacent the container body and a coupling portion provided at a side remote from the container body. The coupling portion includes a supporting portion provided on the sealing portion, an engaging portion provided at a free end of the supporting portion, and a displacing force receiving portion provided on the supporting portion at a position closer to the container body than the engaging portion. The displacing force receiving portion is displaceable with the supporting portion and has a radially outermost part that is more remote from a rotation axis of the container body than a radially outermost part of the engaging portion. The supporting portion, the engaging portion, and the displacing force receiving portion are made of a plastic material. | 05-05-2016 |
20160252844 | DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS | 09-01-2016 |