Patent application number | Description | Published |
20130022368 | CARTRIDGE AND IMAGE FORMING APPARATUS - A cartridge is provided with an electrode portion for connecting a main assembly contact. The cartridge electrode includes a first contact portion, exposed toward an outside of a frame of the cartridge, contacted to a main assembly contact provided in the apparatus main assembly. The cartridge electrode further includes a second contact portion provided for being electrically connected to a process means of the cartridge, and an injection receiving portion into which resin is injected when the cartridge electrode is molded into the frame. The electroconductive resin injected from the injection receiving portion is branched to mold the first contact portion and the second contact portion so that an electroconductive path for electrically connecting the main assembly contact and the process means is formed. | 01-24-2013 |
20130114972 | CARTRIDGE - A cartridge detachably mountable to a main assembly of an image forming apparatus, includes: a member to be supplied with electric energy; a frame molded with a resin material; and an electrode member formed on the frame by injection molding of an electroconductive resin material. The electrode member includes a supporting portion for supporting the member to be supplied with electric energy and a contact portion to be contacted to a main assembly electric contact, provided in the main assembly, when the cartridge is mounted to the main assembly. | 05-09-2013 |
20130164029 | DEVELOPING DEVICE, PROCESS CARTRIDGE AND DRUM UNIT - A developing device for use with an image forming apparatus, includes: a developer carrying member for carrying a developer; a developer regulating member for regulating an amount of the developer carried on the developer carrying member; a first frame for supporting the developer regulating member; a fixing member for fixing the developer regulating member to the first frame; a second frame mounted to the first frame; and a molded resin portion formed by injecting a melted resin material into a space defined by the first and second frames. The molded resin portion is engaged with a first limiting portion provided as a part of the fixing member and projected into the space and is engaged with a second limiting portion provided as a part of the second frame to connect the first and second frame. | 06-27-2013 |
20130177334 | CARTRIDGE - A cartridge detachably mountable to a main assembly of an image forming apparatus includes: a frame; a member-to-be-energized; a fixing member, having electroconductivity, for fixing the member-to-be-energized to the frame, wherein the fixing member is electrically connected with the member-to-be-energized; a recessed portion, provided on the frame, where a part of the fixing member enters; and a molded resin portion formed by injecting a melted electroconductive resin material into the recessed portion, wherein when the cartridge is mounted in the main assembly, the molded resin portion electrically connects the fixing member with an energizing portion provided in the main assembly. | 07-11-2013 |
20130251402 | PROCESS CARTRIDGE, DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A process cartridge for an image forming apparatus includes a first frame supporting the photosensitive drum; a developing roller; a process member actable on the developing roller; a second frame supporting the developing roller and the process member, the second frame being movable between a contact position where the developing roller contacts the drum and a spacing position where the developing roller is spaced from the drum; a developing device contact; and a process member contact, wherein when the second frame is moved between the contact position and the spacing position, a movement path of the developing device contact overlaps a movement path of process member contact, as seen along the axial direction. | 09-26-2013 |
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 |
20140072326 | UNIT, CLEANING UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A cleaning unit usable with an image forming apparatus includes a cleaning blade, supported by a frame and including a free end contactable to an image bearing drum, for removing a developer from the drum; a first seal provided between the frame and the blade by injection molding into the frame adjacent to a longitudinal end portion of the blade, the first seal being effective to prevent developer leakage; and a second seal provided between the drum and the frame in contact with the free end of the blade adjacent to the longitudinal end portion, wherein the first seal includes a seal portion contacting the blade, and a seat supporting the second seal, the seat being deformable to move the second seal to urge the second seal to the free end of the blade when the drum is mounted to the frame. | 03-13-2014 |
20140072335 | PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A process cartridge, wherein both in the case where the developing unit is at the contact position and in the case where the developing unit is at the separation position, a first regulating portion that the image bearing member unit has and a first regulated portion that the developing unit has, are engaged with each other, whereby the position in the axial direction of the image bearing member is regulated, wherein in the case where the developing unit is at the separation position, a second regulating portion and a second regulated portion, overlap each other in a direction perpendicular to the axial direction, and wherein in the case where the developing unit is at the contact position, the second regulating portion and the second regulated portion do not overlap each other in the direction perpendicular to the axial direction. | 03-13-2014 |
20140161483 | IMAGE FORMING APPARATUS AND CARTRIDGE - An image forming apparatus loadable with a cartridge includes a supporting member movable, carrying the cartridge, between an inside position and an outside position, the supporting member being provided with a first regulating portion to limit the cartridge in one of the longitudinal directions and a second regulating portion to limit movement of the cartridge in the other one of the longitudinal directions; a third regulating portion to limit the supporting member in the one longitudinal direction; and a fourth regulating portion to limit the supporting member in the other longitudinal direction; wherein the first, second, third and fourth regulating portions are all provided at the one longitudinal end portion side and outside an image forming region. | 06-12-2014 |
20140334844 | DEVELOPING DEVICE, PROCESS CARTRIDGE AND DRUM UNIT - A developing device for use with an image forming apparatus, includes: a developer carrying member for carrying a developer; a developer regulating member for regulating an amount of the developer carried on the developer carrying member; a first frame for supporting the developer regulating member; a fixing member for fixing the developer regulating member to the first frame; a second frame mounted to the first frame; and a molded resin portion formed by injecting a melted resin material into a space defined by the first and second frames. The molded resin portion is engaged with a first limiting portion provided as a part of the fixing member and projected into the space and is engaged with a second limiting portion provided as a part of the second frame to connect the first and second frame. | 11-13-2014 |
20140361030 | CARTRIDGE PACKAGE AND PACKAGEABLE PROCESS CARTRIDGE - A packing member for packing a cartridge for an image forming apparatus, the packing member includes a frame portion having a recess for accommodating the cartridge; a closing member portion for openably closing the recess; a hinge portion for movably connecting the closing member portion relative to the frame portion to open and close the recess; a connecting portion connecting the frame portion and the closing member portion to close the recess; and the closing member portion being provided with a separating portion removable from the closing member portion while leaving the connecting portion on the frame portion. | 12-11-2014 |
20150037065 | CARTRIDGE AND IMAGE FORMING APPARATUS - In a cartridge provided with an electrode portion for connecting a main assembly contact and process means by injecting an electroconductive resin into a frame, in order to simplify structures of the frame and the electrode portion and to improve an assembling property of the cartridge and an electrode property of the electrode portion, the cartridge electrode integrally molded by injecting the electroconductive resin into the frame includes a first contact portion, exposed toward an outside of the frame, contacted to a main assembly contact provided in the apparatus main assembly; a second contact portion provided for being electrically connected to the process means; and an injection receiving portion into which the resin is injected when the cartridge electrode is molded into the frame, and, the electroconductive resin injected from the injection receiving portion is branched to mold the first contact portion and the second contact portion so that an electroconductive path for electrically connecting the main assembly contact and the process means is formed | 02-05-2015 |
20150055963 | CARTRIDGE AND IMAGE FORMING APPARATUS - A cartridge includes: first and second cartridge constituent members assembled with each other; a memory for storing information on the cartridge; a color display member for displaying color information of a developer accommodated in the cartridge; first and second supporting portions provided on the first and second cartridge constituent members, wherein the first supporting portion is provided with a slit for permitting insertion of the memory, and the second supporting portion is provided with a slit for permitting insertion of the color display member; and first and second preventing portions provided on the other cartridge constituent member. When the first and second cartridge constituent members are assembled with each other, the first preventing portion prevents movement of the memory inserted in the first supporting portion, and the second preventing portion prevents movement of the color display member inserted in the second supporting portion. | 02-26-2015 |