Class / Patent application number | Description | Number of patent applications / Date published |
271117000 | Separator adjustable or retractable relative to pack | 84 |
20080203652 | SHEET FEEDING DEVICE - A sheet feeding device includes a setting roller, a motor, a flag, a setting guide, a setting-guide swinging device, and a locking mechanism. The motor generates a driving force to rotate the setting roller. The flap swings between a standby position and a feeding position, and, when at the standby position, does not allow transport of a sheet. The setting guide swings between a standby position and a feeding position, and, when at the standby position, separates a sheet from the setting roller. The setting-guide swinging device swings the setting guide using the driving force from the motor. The locking mechanism prevents the flap from swinging to the feeding position when the flap and the setting guide are in the respective standby positions. | 08-28-2008 |
20080265490 | MEDIA STACK STOP - Various apparatus and methods relating to a media stack stop are disclosed. | 10-30-2008 |
20080277864 | PAPER FEEDING DEVICE - A paper feeding device includes a cover, a base, a pickup roller assembly and at least one paper blocking unit. The paper blocking unit is placed beside the pickup roller assembly, has a paper blocking element and a projection projecting from the upper portion of the side wall of the pickup roller assembly. The paper blocking element includes a connecting portion, a paper blocking arm, a pivot rotatablely connecting the cover. A connecting arm extends upwards from the end of the pivot, a blocking portion projects from the outer side of the connecting arm, a passage is formed between the blocking portion and the connecting arm. The projection can be downward against the blocking portion of the paper blocking element or pass through the passage of the paper blocking element to allow the paper to be fed in, so the cooperation is easy, the paper feeding device works smoothly. | 11-13-2008 |
20090079126 | Sheet supply device and image forming apparatus - When a paper feed cassette is again mounted, a pressing portion of a pressing member is brought into contact from the front side on a second surface of an extending portion of a contacting member, and the contacting member is pressed by the pressing member to be displaced from the retract position to the contact position. At this time, the pressing portion of the contacting member presses a pressed portion of a disc member to rotate a third cam itself in the counterclockwise direction in the drawing. Accordingly, the lift lever locked by the third cam is released, and an end portion of an arm member is allowed to move upward. | 03-26-2009 |
20090091074 | Feeder and multifunction printer using the same - A feeder and a multifunction printer using the same are provided. The feeder for moving a piece of paper includes a base, a housing, a cover and a driving mechanism. The base has a first surface for supporting the paper. The housing includes a frame and a holder. The frame is disposed over the base and has an opening that exposes part of the first surface. The holder for holding the paper is disposed over the frame, and a containing space is formed between the holder and the first surface. The cover is laid over one side of the housing. The driving mechanism is for driving the paper so as to move the paper from the holder to the first surface. | 04-09-2009 |
20090121412 | RECORDING APPARATUS - A recording apparatus includes: a loading section in which a recording medium is set; a feed roller feeding the recording medium set in the loading section; a first urging mechanism urging one of the loading section and the feed roller to decrease a distance between the set recording medium and the feed roller; an edge guide being movable in a width direction of the recording medium to align lateral edges of the recording medium set in the loading section; a DC motor allowing the edge guide to move; and a determination unit determining whether a current value at the time of driving the DC motor reaches a predetermined threshold value. Here, the driving of the DC motor is stopped when it is determined by the determination unit that the current value reaches the predetermined threshold value. | 05-14-2009 |
20090200729 | Sheet Feeder and Image Forming Device Provided with the Same - A sheet feeder includes a feed roller feeding a sheet while rotating in a feeding direction, a driving gear that rotates in a predetermined direction and transmits a driving force, a first gear mechanism transmitting the force to the feed roller to rotate the feed roller in a reverse direction opposite to the feeding direction, and a second gear mechanism transmitting the force to the feed roller to rotate the feed roller in the feeding direction. The driving gear includes a first engaging member that engages with the first gear mechanism and transmits the force to the first gear mechanism at a rotational angle of the driving gear within a first range, and a second engaging member that engages with the second gear mechanism and transmits the force to the second gear mechanism at the rotational angle within a second range having no common range with the first range. | 08-13-2009 |
20090250867 | Feeder Unit, Sheet Feeding Device, and Image Forming Apparatus - A feeder unit to feed sheets is provided. The feeder unit includes a main frame, being swingably supported at a pivotal end by a first shaft, and arranged to extend from the first shaft toward an upper level of a tray, a rotary member, which is rotatably supported, and is arranged to come in contact with a topmost surface of the sheets, a pair of opposing walls, formed in the main frame, a secondary frame, having a pair of supporting walls which come to face the opposing walls, a gear train to transmit rotation force to the rotary member, a positioning system to situate the secondary frame in a predetermined position, and a detachment restricting system to restrict the secondary frame from being detached from the main frame. The secondary frame is situated in the predetermined position when the rotary member rotates in a direction to feed the sheets. | 10-08-2009 |
20090283960 | SHEET FEEDER - A sheet feeder has a tray for receiving one or more media sheets. An arm is configured to pivot relative to the tray. A roller is rotatably coupled to the arm. A biasing device is coupled to the arm. The biasing device biases the arm to pivot toward the tray. | 11-19-2009 |
20100007078 | PICKUP ROLLER LIFTING AND LOWERING MECHANISM IN PAPER FEEDING UNIT AND IMAGE FORMING APPARATUS INCLUDING THE PICKUP ROLLER LIFTING AND LOWERING MECHANISM - A pressing projection of a paper feeding cassette presses a push-back mechanism to thereby release urging of a cam gear in a direction opposite to a direction of the paper feeding cassette. The cam gear moves in the direction of the paper feeding cassette. A cam of the cam gear rotates a rotation lever. The rotation lever rotates a pickup roller lifting and lowering shaft. The pickup roller lifting and lowering shaft lowers a pickup roller. | 01-14-2010 |
20100044954 | FEED DEVICE AND RECORDING DEVICE - Provided is a feed device including: a loading unit in which a plurality of sheet members is loaded in a stacked state; a delivery member which performs a feed operation in a state in which a contact surface thereof is in contact with an uppermost sheet member of the sheet members loaded on the loading unit and delivers the sheet member in a feed direction using friction force with the uppermost sheet member as the feeding force; a gate member which is configured to move in a direction to and from the contact surface of the delivery member and has an inclined surface with which a front end of the sheet member delivered by the delivery member collides with; and a gate energizing member which energizes the gate member in a direction approaching to the contact surface of the delivery member. | 02-25-2010 |
20100059929 | SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A sheet feeding device has: a sheet accommodating portion that accommodates a sheet stack of a plurality of sheets; a sheet carrying plate that is provided within the sheet accommodating portion and stacks the sheet stack thereon; a pickup roller that contacts an upper face of the sheet stack and dispatches a sheet on an uppermost layer of the sheet stack, an elevator mechanism that displaces the sheet carrying plate between a sheet feeding position in which the upper face of the sheet stack contacts the pickup roller, and a separating position in which the upper face of the sheet stack separates from the pickup roller by a predetermined distance; and a controller that controls an operation of the elevator mechanism such that the sheet carrying plate is lowered to the separating position after a sheet feeding operation for feeding a sheet at the sheet feeding position is completed. | 03-11-2010 |
20100084806 | Paper feed unit for printer - A paper feed unit for a printer to form an image on a print paper by an image former, the paper feed unit including: a paper feed tray that stacks print papers to be fed; a paper transfer route that transfers print papers; a register roller that is provided upstream of the image former in a paper transfer direction in the paper transfer route and holds a fed print paper to adjust a timing to transfer the fed print paper to the image former; a pick-up roller that transmits a print paper stacked in the paper feed tray to the register roller, the pick-up roller being smaller in width than a width of a print paper to be transmitted; and a regulator that comes into contact with a loose portion of a print paper loosened in a paper feed route in between the pick-up roller and the register roller. | 04-08-2010 |
20100102501 | FRICTION RETARD FEEDER - Sheet feeding systems and methods for using such systems to feed a sheet from a stack in a document processing system are disclosed. An exemplary sheet feeding system may include a feed roll, a retard system, a trailing edge retention system and a system for automatically an selectively separating the feed roll and the retard system. The feed roll may be configured to drive a first sheet of a stack of sheets in a process direction. The retard system may be configured to prevent one or more second sheets from being driven in the process direction. The trailing edge retention system may be configured to automatically and selectively retain one or more second sheets in the stack by applying a force to a trailing portion of at least one second sheet, thus allowing the feed roll and retard system to be separated during much of the feed cycle. As a result, wear of the feed roll and/or retard system may be reduced. | 04-29-2010 |
20100156032 | ROLLER ASSEMBLY FOR FEEDING STACKED SHEET MATERIAL - A roller assembly for conveying stacked sheet material along a feed path. The roller assembly includes a first roller adapted for rotation within a housing, a second roller pivotally mounting about an axis to the housing and opposing the first roller to define a roller nip, a spring biasing mechanism operative to bias the second roller about the pivot axis toward the first roller to effect optimum frictional engagement of the roller nip with the face surfaces of the stacked sheet material and a transmission assembly operative to (i) transfer rotational motion of the first roller to the second roller, (ii) drive the first and second rollers in opposing directions to convey the stacked sheet material along the feed path, and (iii) facilitate pivot motion of the second roller about the pivot axis to vary the spacing of the roller nip and accommodate stacks of sheet material which vary in thickness. | 06-24-2010 |
20100301543 | SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS - A sheet feeding device includes a holding unit configured to hold a stack of sheets; a pickup roller, which feeds a sheet placed on top of the stack held in the holding unit when the pickup roller comes in contact with the sheet; a holder arm having a distal end to which the pickup roller is attached, wherein the holder arm has a swing center set at a position closer to the pickup roller side than the holding unit, and wherein the distal end of the holder arm extends from the swing center to the holding unit side; and a resiliently-deformable unit, which generates a swing moment to swing the holder arm to increases contact surface pressure between the sheet held in the holding unit and the pickup roller, wherein the swing moment increases as a contact angle between an extension direction of the holder arm and the sheet increases. | 12-02-2010 |
20100308528 | SHEET STOPPING MECHANISM AND AUTOMATIC DOCUMENT FEEDER HAVING SUCH SHEET STOPPING MECHANISM - A sheet stopping mechanism includes a guiding element, a sheet stopping element and a guiding slot. The guiding element includes a sheathing part and an extension arm. The sheathing part is sheathed around an axle of the sheet pick-up roller. The sheet stopping element includes a stopping part, a protrusion part and a contact part. The extension arm of the guiding element is upwardly sustained against at the contact part of the sheet stopping element. The protrusion part of the sheet stopping element is accommodated within the guiding slot. When the sheet pick-up roller is moved toward a sheet input tray, the guiding element is uplifted. As a result, the protrusion part of the sheet stopping element is shifted and rotated in the guiding slot, and a front edge of the paper sheet is no longer hindered by the stopping part of the sheet stopping element. | 12-09-2010 |
20110074092 | SHEET FEEDER AND IMAGE RECORDING APPARATUS - A sheet feeder, including: a holding portion for holding sheets; a sheet supply portion; an inclined member disposed downstream of the holding portion and having an inclined surface for guiding each sheet in a sheet feed direction along the inclined surface; a plurality of first separation protrusions provided on and integrally with the inclined member and arranged in the sheet feed direction, each first separation protrusion protruding from the inclined surface such that its distal end is located more downstream in the sheet feed direction than its proximal end; and a plurality of second separation protrusions formed of a metal, each second separation protrusion protruding from the inclined surface through a corresponding one of openings formed in the inclined member at a position in the sheet feed direction between corresponding adjacent two of the first separation protrusions, the second separation protrusions being arranged in the sheet feed direction. | 03-31-2011 |
20110074093 | SHEET FEEDER AND IMAGE RECORDING APPARATUS - A sheet feeder, including; a sheet holding portion; a sheet supply portion; an inclined member having an inclined surface and configured to guide each sheet in a sheet feed direction; and separation protrusions which are provided on the inclined member and each of which protrudes from the inclined surface such that a distal end thereof is located more downstream in the sheet feed direction than a proximal end thereof, wherein each separation protrusion has a contact surface and said each sheet comes into contact with one or more contact surfaces of the separation protrusions, and wherein each separation protrusion protrudes from the inclined surface such that the distal end of one of the separation protrusions is located more downstream in the sheet feed direction than the proximal end of another of the separation protrusions that is located immediately downstream of the one of the separation protrusions in the sheet feed direction. | 03-31-2011 |
20110074094 | SHEET FEEDER AND IMAGE RECORDING APPARATUS - A sheet feeder, including: a holding portion for holding sheets; a sheet supply portion; an inclined member having an inclined surface for guiding each sheet in a sheet feed direction along the inclined surface; a first separation protrusion provided integrally on the inclined member so as to protrude from the inclined surface such that its distal end is located more downstream in the sheet feed direction than its proximal end; a plurality of second separation protrusions formed of a metal and disposed more upstream in the sheet feed direction than the first separation protrusion, each second separation protrusion protruding from the inclined surface through a corresponding one of openings formed in the inclined member, the second separation protrusions being arranged in the sheet feed direction; and a fixing member by which the second separation protrusions are fixed to the inclined member on a surface thereof opposite to the inclined surface. | 03-31-2011 |
20110121509 | MEDIUM SUPPLY UNIT AND IMAGE FORMING APPARATUS HAVING THE SAME - A medium supply unit of an image forming apparatus, the medium supply unit may include: a main body housing; a tray connected to the main body housing and loading a printing-target medium therein; an activating shaft connected to the main body housing and being rotated in a predetermined direction by an activating force of an activating source; an intermediate member supported by one end of the activating shaft to deliver a rotating force of the activating shaft; a first elastic member having one end connected to the intermediate member and the other end supported by the activating shaft; and elastically biasing the intermediate member in a direction facing the printing-target medium according to a rotation of the activating shaft; and a roller unit having a roller unit housing that is attachable to the intermediate member and at least one roller that is supported by the roller unit housing and picks up and supplies printing-target media loaded in the tray; and configured to deliver to the roller(s) an elastic force of the first elastic member and a rotating force of the activating shaft when the activating shaft is rotated. | 05-26-2011 |
20110156343 | Dual Shaft Media Picking Mechanism - A media picking mechanism includes a pair of transmission shafts rotating in opposite directions. A housing is mounted around the pair of transmission shafts such that the first transmission shaft and the second transmission shaft are positioned substantially equidistant from a centerline of the housing. During a media picking operation, the rotation of the first transmission shaft of the pair of transmission shafts provides a first moment to the housing and rotation of a second transmission shaft of the pair of transmission shafts provides a second moment to the housing, which is equal and opposite to the first moment such that a net moment on the housing is near zero minimizing twisting of the housing. The two transmission shafts rotating in opposite directions, also results in substantially equal normal force to be applied by the first and second pick tires on the media. | 06-30-2011 |
20110180985 | IMAGE FORMING DEVICE HAVING IMPROVED SHEET FEEDING MECHANISM - An image forming device including a pick-up roller, a planetary gear mechanism having an input gear, a trigger and an output gear, a lift mechanism, a cam member, a change-over member, and a stop assembly. The change-over member includes a first arm movable between a first position engaging with the trigger for transmitting rotation of the input gear to the output gear and a second position disengaging from the trigger for shutting off the transmission of rotation from the input gear to the output gear. The second arm is contactable with the cam member for moving the first arm between the first and second positions in accordance with the movement of the pickup roller. The stop assembly includes a third arm movable between a third position engageable with the output gear and a fourth position disengaging from the output gear, and a fourth arm contactable with the cam member for moving the third arm between the third and fourth positions. The cam portion has a cam profile configured to position the first arm at the second position and to position the third arm at the third position when the pressure plate is at the stopping position at a stopping phase of rotation of the cam portion, and to position the first arm at the first position after the start of rotation of the cam portion, and then to position the third arm at the fourth position, and to again position the third arm at the third position with maintaining the first position of the first arm after the temporary rotation stop phase and the rotation re-start phase, and then to position the first arm at the second position. | 07-28-2011 |
20110204560 | Sheet Feeding Device and Image Forming Apparatus - A sheet feeding device includes a sheet cassette which accommodates stacked sheets. The sheet feeding device further includes a pickup roller, a separation pad, a separating roller pressing the sheet against the separating pad and a holder arm which holds the pickup roller and the separating roller. The sheet feeding device still further includes an urging member configured to urge the separating roller toward the separating pad and includes a supporting portion configured to support a specific portion of the holder arm. When the sheet cassette is removed, the support portion supports the specific portion of the holder arm at a supporting position and the pickup roller is positioned at an upper position. | 08-25-2011 |
20110241282 | TRANSPORTATION APPARATUS - A transporting apparatus which is capable of restraining multi feed of transported media is provided. The transporting apparatus includes a first arm mounted on a supporting shaft so as to be pivotable with respect to the supporting shaft about a first pivotal portion, a second arm fixed with a feed roller and mounted on the first arm so as to be pivotable with respect to the first arm about the second pivotal portion, and a torsion coil spring acting on the second pivotal portion so as to urge the feed roller toward the sheet in a just-before-transport state and a sheet transporting state. | 10-06-2011 |
20110304095 | PAPER FEEDING APPARATUS, IMAGE FORMING APPARATUS, AND PAPER FEEDING METHOD - A paper feeding apparatus according to an embodiment includes: a pick-up roller that picks up stacked sheets; a stopper guide of which a side wall abuts on front ends of the sheets at least at a lower layer in a transport direction from among the stacked sheets; and an elevation control unit that elevates the stopper guide by interlocking with elevation of the pick-up roller. | 12-15-2011 |
20120104682 | Removable Input Tray Assembly Having an Integrated Roller Nip for an Image Forming Device - A removable input tray assembly for an image forming device according to one embodiment includes a media tray having a bottom surface and a wall extending upward from the bottom surface. The bottom surface defines a media storage location for storing a stack of media sheets. The assembly further includes a housing having an opening therein to receive the media tray. An inclined media dam is formed in the wall and has a media contact surface for directing media advanced from the media storage location. A channel is provided in the wall and extends the height of the wall for directing media passing therethrough. A roller nip is formed in the channel within the media tray by a pair of rollers for advancing media through the channel. | 05-03-2012 |
20120126475 | Image forming apparatus - An image forming apparatus having a structure to prevent print defects caused by residual paper. The image forming apparatus includes a main body, a paper feeding cassette separably mounted to the main body, a pickup member to pick up paper from the paper feeding cassette, and a paper separating member including a plurality of links to apply pressure to the pickup member when the paper feeding cassette is mounted to the main body and to release the pressure applied to the pickup member when the paper feeding cassette is separated from the main body. The paper separating member includes a first link to be pressed by the paper feeding cassette, a second link provided with a separating unit to press the pickup member, and an elastic member between the first link and the second link to allow the first link to press the second link. | 05-24-2012 |
20120217696 | Sheet Feeder and Image Forming Apparatus - A sheet feeder includes a casing having a loading surface, a supply roller, a drive mechanism, a blocking member, and an interlocking mechanism. The supply roller is configured to feed recording sheets on the loading surface toward the image forming unit. The drive mechanism is configured to move the supply roller. The blocking member is disposed upstream from the supply roller in a sheet feed direction and includes a block surface configured to be moved between a first position and a second position. The block surface is configured to block insertion of a recording sheet to a downstream side when in the first position, and configured to allow insertion of the recording sheets on the loading surface when in the second position. The interlocking mechanism is configured to receive a drive force from the drive mechanism to move the blocking member. | 08-30-2012 |
20120313314 | PICKUP ARM - A pickup arm for print media arranged to engage a roller. | 12-13-2012 |
20120326381 | SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS - A sheet feeding device and an image forming apparatus which can stably separate sheets even when the position of a pressing portion is changed are provided. A guide portion supports sheets from below and guides the sheets to a pressing portion between a sheet feeding roller which is biased in the direction pressing the sheet feeding roller onto the sheets stacked on a sheet stacking portion and a separating member which separates the sheets fed from the sheet feeding roller one by one. The guide portion is linearly lowered together with the separating member with the downward movement of the sheet feeding roller biased by a roller biasing member. | 12-27-2012 |
20120326382 | SHEET FEEDER AND IMAGE FORMING APPARATUS - The present invention provides a sheet feeder and an image forming apparatus that can prevent a sheet from being broken, bent, or remaining in an apparatus when a sheet containing portion is pulled out. | 12-27-2012 |
20130082438 | PAPER FEEDING DEVICE AND IMAGE FORMING APPARATUS - ADF includes a pickup roller, an arm, a regulatory member, a drive motor and a control section. The pickup roller is supported at shaft thereof by the arm swung between a lowered position and a raised position. The drive motor supplies a driving force for the swing to the arm. The regulatory member constrains the arm from moving upward across the raised position. The control section sets a setting-speed of the drive motor to a first speed by which much importance is attached to the reduction of driving noise of the drive motor when a first driving factor causing the arm to move from the neighborhood of the raised position occurs, and sets the setting-speed to a second speed by which much importance is attached to the reduction of contact noise with the regulatory member when a second driving factor causing the arm to move from the lowered position occurs. | 04-04-2013 |
20130119600 | PAPER FEEDING MECHANISM - A paper feeding mechanism includes a frame, a pickup assembly, at least one stopper element and one resisting element. The pickup assembly mounted in the frame includes a pickup bracket, a separation element and a pickup element. The stopper element is pivotably mounted between the pickup element and the separation element, and includes a blocking portion and a stopper portion. The resisting element is pivotably mounted between the stopper element and the separation element, and includes a resisting portion and a raising portion. The pickup element wiggles upward or downward under a drive of a gear to make the resisting element wiggle upward or downward with the resisting portion resisting against the stopper portion or being away from the stopper portion to make the blocking portion block papers entering the paper feeding mechanism, or loose the blocking portion freely to let the papers enter the paper feeding mechanism. | 05-16-2013 |
20130119601 | PICKUP MECHANISM - A pickup mechanism includes a main frame, a supporting element mounted to the main frame, and a pickup module positioned in the main frame and including a pickup arm, a transmitting element, a separation element, a pickup element and a barrel element. The separation element includes a separation shaft and a separation roller. The pickup element includes a pickup shaft and a pickup roller. The separation roller and the pickup roller are restricted in the pickup arm. The transmitting element links the separation shaft and the pickup shaft. The pickup arm is pivoted at the separation shaft. The barrel element has a base portion pivotally mounted around the pickup shaft, and a stopping block. When the pickup module swings upward or downward, the barrel element is driven to rotate along with the pickup shaft to make the stopping block against the supporting element or apart from the supporting element. | 05-16-2013 |
20130119602 | DOCUMENT CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A document conveying device of the present disclosure includes a feeding unit, a stopper, and a restriction surface. The feeding unit is swingably supported on a first swinging fulcrum and is disposed selectively at a paper feeding position or at a retracted position. The stopper is swingably supported on a second swinging fulcrum, and has a document restriction portion and an engagement piece. The restriction surface is provided on the main body side of the document conveying device, and extends downward from a position coinciding with a first trajectory toward an inner side of the first trajectory, while extending downward from a position coinciding with a second trajectory toward an inner side of the second trajectory. When the feeding unit is at the retracted position, the engagement piece is engaged with the restriction surface, and when the feeding unit is at the paper feeding position, the engagement therebetween is released. | 05-16-2013 |
20130140761 | Image Forming Device Capable of Stably Feeding Recording Sheet - An image forming device includes: a feeding roller; a support shaft; a support portion; a drive shaft; a planetary gear unit; and a driving force transmission unit. The support portion rotatably supports the feeding roller and is pivotally movably supported to the support shaft. The drive shaft is rotatable upon receipt of a driving force from a motor. The planetary gear unit includes a sun gear rotatable integrally with the drive shaft, and a planetary gear swingably movable about the sun gear while maintaining meshing engagement therewith. The transmission unit includes an input gear meshingly engageable with the planetary gear when the drive shaft rotates. The transmission unit transmits the driving force to the feeding roller through the drive shaft, the sun gear, the planetary gear, and the input gear. | 06-06-2013 |
20130168920 | PAPER FEEDING APPARATUS AND IMAGE FORMING APPARATUS ADOPTING THE SAME - A paper feeding apparatus includes a pickup roller, a knock-up plate to accommodate recording media thereon and capable of moving to a pickup position and a release position, a forward roller to transfer a recording medium picked up by the pickup roller, a retard roller capable of moving to a contact position and to a separation position, a first control unit to move the knock-up plate to the pickup position and the release position, and a second control unit to move the knock-up plate to the contact position and the separation position, wherein the first control unit and the second control unit are driven by a single driving motor. | 07-04-2013 |
20130187327 | SHEET-SUPPLY CASSETTE, AND IMAGE RECORDING APPARATUS INCLUDING SHEET-SUPPLY CASSETTE - A sheet-supply cassette including a main member open upward and adapted to store a plurality of recording sheets stacked on each other, each of which is separated from the other recording sheets, and is fed in a sheet-feed direction, by a sheet feeder; an inclined sheet-separate plate provided in a downstream-side portion of the main member as seen in the sheet-feed direction, and which cooperates with the sheet feeder to separate the each recording sheet from the other recording sheets; and a plurality of back-surface support portions which are formed integrally with the downstream-side portion of the main member, such that the back-surface support portions are distant from each other in a perpendicular direction substantially perpendicular to the sheet-feed direction. The inclined sheet-separate plate is detachably attached to the back-surface support portions such that a back surface of the inclined sheet-separate plate is supported by the back-surface support portions. | 07-25-2013 |
20130193635 | FEEDING APPARATUS - A feeding apparatus which is capable of increasing the number of stacked sheets without increasing a size of an apparatus is provided. The feeding apparatus includes a stopper member which is in contact with a leading edge of a sheet placed on a sheet stacking plate and blocks the sheet from entering a separation unit, and an actuating member which presses the stopper member in conjunction with a rotation of a holding member, and a movement distance of the actuating member is longer than a movement distance of the holding member. | 08-01-2013 |
20130207336 | SHEET FEED DEVICE AND IMAGE FORMING APPARATUS - There are provided a sheet feed device and an image forming apparatus in which a sheet separation capability is improved. The sheet feed device includes a sheet stacking portion that includes a rotation stacking portion which is rotatable; a sheet feed roller that feeds the sheet stacked in the sheet stacking portion; and a separating portion that separates the sheet fed by the sheet feed roller. The rotation stacking portion is configured to be rotatable about a rotation fulcrum on a downstream side in a sheet feed direction. | 08-15-2013 |
20130221607 | SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS - Provided are a sheet feeding device and an image forming apparatus which are capable of stably feeding sheets having a different basis weight. | 08-29-2013 |
20130228964 | Sheet Conveying Device - A holding member holds a separation pad configured to separate sheets conveyed by a roller one by one, and a roller pressing member. A pressing mechanism is disposed on an opposite side of the separation pad from the roller. The holding member is configured to move relative to the roller between a distant position and a close position in which the holding member is closer to the roller than in the distant position. The pressing mechanism is configured to press the separation pad against the roller when the holding member is in the close position. When the holding member is in the distant position, at least a roller contacting portion of the roller pressing member is retracted from a first surface of the separation pad in a direction away from the roller. The first surface of the separation pad faces the roller. | 09-05-2013 |
20130241139 | SUPPLY DEVICE AND IMAGE FORMING APPARATUS - A supply device includes a supply roller, a prevention member, a restriction member, and a rotatably supported rotary member. The supply roller supplies a medium. When in a first posture, the prevention member prevents the medium from being supplied by the supply roller. When in a second posture different from the first posture, the prevention member allows the medium to be supplied by the supply roller. When located at a determined position, the restriction member restricts a shift of the prevention member from the first posture to the second posture. When rotated, the rotary member moves the restriction member located at the determined position and releases the restriction on the prevention member imposed by the restriction member, and thereafter moves the supply roller and brings the supply roller into contact with the medium. | 09-19-2013 |
20130256977 | SHEET SUPPLY APPARATUS - An image recording apparatus includes a supply tray and a supply unit. The supply unit includes a supporting shaft, an arm configured to pivot around the supporting shaft, and, a first roller and a second roller which are provided in the arm. The first and second rollers are pressedly contacted with a sheet placed on the supply tray. The supply tray is provided with a contact portion. The contact portion includes a first contact portion facing to the first roller and second rollers, and a second contact portion disposed in an upstream side of the first contact portion in the supply direction. A friction coefficient of the second contact portion is smaller than that of the first contact portion. When the first and second rollers rotatingly moves on the sheet, a friction force is applied by the second contact portion to the sheet. | 10-03-2013 |
20130256978 | DOCUMENT FEEDER, DOCUMENT READER, AND IMAGE FORMING APPARATUS WITH IMPROVED ACCURACY OF DOCUMENT SKEW CORRECTION - A document feeder feeds document sheets one by one from a stack on a tray by pressing one or more pick-up rollers against an uppermost document sheet and guiding one widthwise edge of the document sheet. The width direction is perpendicular to a document transport direction. The document feeder includes: a document size obtainer that obtains size information indicating a width of the document sheet; and a center-of-contact shifting mechanism that shifts a center of contact of each pick-up roller along an axial direction of the pick-up roller according to the obtained size information. The center of contact is a central point of an area where the pick-up roller is in contact with the document sheet. Each pick-up roller is in a barrel shape. The center-of-contact shifting mechanism shifts the center of contact of each pick-up roller by axially tilting the pick-up roller relative to the document surface. | 10-03-2013 |
20130285308 | RECORDING MEDIUM FEEDING DEVICE AND RECORDING APPARATUS - A recording medium feeding device includes a first support member that supports a feed roller and is configured to be swingable about a pivot shaft so that the first support member swings to displace the feed roller in directions to and away from the recording medium, a first engagement section that includes a gear that swings with the first support member, and a second engagement section that is engageable with the first engagement section when the first support member swings to move the feed roller away from the recording medium, wherein engagement of the first engagement section and the second engagement section is maintained in a state where a power in a swing direction is not transmitted to the first support member, and engagement of the first engagement section and the second engagement section is released when the power in the swing direction is transmitted to the first support member. | 10-31-2013 |
20140008863 | SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS - A sheet feeding apparatus includes a sheet stacking portion on which sheets are stacked, a sheet feeding unit configured to feed the sheets stacked on the sheet stacking portion, a slope portion arranged downstream of the sheets in a feeding direction of the sheets stacked on the sheet stacking portion and configured to separate the sheets from each other, the sheets fed by the sheet feeding unit being bent when contacting the slope portion, and a contact width variable mechanism configured to change a contact width in which the slope portion and a leading edge of the sheet, in the feeding direction, fed by the sheet feeding unit are in contact with each other by moving part of the slope portion in the feeding direction or in a direction opposite to the feeding direction. | 01-09-2014 |
20140103602 | AUTOMATICALLY ADJUSTABLE PICK MECHANISM FOR FEEDING SHEETS OF MEDIA OF DIFFERENT WIDTHS - In an imaging apparatus, a removable media tray is operative to hold a plurality of media types of different widths and a pick device includes a pick mechanism and a translation mechanism for moving the pick mechanism to a centerline of a width of one or more media sheets in the media tray. The media tray includes a reference edge surface and a media edge guide moveable to a selected position with respect to the reference edge surface. The one or more media sheets are restrained between the reference edge surface and the media edge guide with the translation mechanism automatically translating the pick mechanism to the centerline of the corresponding media width during insertion of the media tray into the imaging apparatus. | 04-17-2014 |
20140232059 | TRANSPORT APPARATUS AND IMAGE RECORDING APPARATUS - A transport apparatus includes a transport roller having a first supported portion and a second supported portion at positions separated in a first direction, and configured to abut against a sheet, rotate in a second direction about a rotation axis extending in the first direction, and transport the sheet; a first support member configured to rotatably support the transport roller, the first support member having a first receiving portion which is in the form of a circular arc and configured to abut against a portion in a circumferential direction of an outer periphery of the first supported portion; and a second support member configured to rotatably support the transport roller, the second support member having a second receiving portion which is in the form of a circular arc and configured to abut against a portion in a circumferential direction of an outer periphery of the second supported portion. | 08-21-2014 |
20140291916 | IMAGE FORMING APPARATUS CAPABLE OF FORMING A DUPLEX IMAGE ON ONE SHEET - An image forming apparatus, including an image forming part which forms an image on a printing medium, a main feeding part which accommodates the printing medium and supplies the printing medium to the image forming part, and a reversing part which transfers the printing medium, on which an image is formed on a first surface thereof in the image forming part, to the main feeding part, wherein the main feeding part includes a feeding roller part which re-feeds the printing medium, having been transferred through the reversing part, to the image forming part. | 10-02-2014 |
20140300046 | REMOVABLE MEDIA DAM WITH SEPARATOR ROLL POSITIONER FOR A MEDIA TRAY - A removable media dam for a media input tray. The removable media dam is mountable in a front wall of the media tray and may contain one or more rollers for feeding media from the media input tray. The removable media dam includes a separator roll positioner for angularly rotating a separator roll between a retracted position and an extended position to adjust the height of the separator roll with respect to a media contact surface thereby varying the media sheet separation force applied by the separator roll to media sheets being fed from the media tray. In one form, the removable media dam is mountable by a user without the use of tools. | 10-09-2014 |
20140306400 | FEEDING APPARATUS - A feeding apparatus includes a pickup roller arranged to pick and feed a medium downstream along a conveying path, a separating roller arranged downstream to the pickup roller for advancing the medium downstream, a brake roller arranged opposite to the separating roller, and a pressing structure arranged opposite to the pickup roller and operable to swing toward or away from the pickup roller according to the rotating direction of the brake roller. When the brake roller rotates for feeding mediums downstream, the pressing structure moves toward the pickup roller and applies a normal force required for picking the medium. But when the brake roller stops rotating downstream because multiple mediums are fed between the brake roller and the separating roller, the pressing structure moves away from the pickup roller and stops applying normal force, so as to control the medium-picking process. | 10-16-2014 |
20140306401 | FEEDING APPARATUS - A feeding apparatus includes a pickup roller arranged to pick and feed a medium downstream along a conveying path, a separating roller arranged downstream to the pickup roller for advancing the medium downstream, a brake roller arranged opposite to the separating roller, and a pressing structure arranged opposite to the pickup roller and operable to swing toward or away from the pickup roller according to the rotating direction of the brake roller. When the brake roller rotates for feeding mediums downstream, the pressing structure moves toward the pickup roller and applies a normal force required for picking the medium. But when the brake roller stops rotating downstream because multiple mediums are fed between the brake roller and the separating roller, the pressing structure moves away from the pickup roller and stops applying normal force, so as to control the medium-picking process. | 10-16-2014 |
20140312558 | DOUBLE-SIDED IMAGE RECORDING DEVICE HAVING A COMPACT FORM FACTOR - An image recording device is provided, having a recording unit configured to record an image on a sheet, and a tray disposed below the recording unit. The tray includes a sheet holding surface configured to hold the sheet. Additionally, the image recording device includes a sheet feeder disposed between the recording unit and the tray. The sheet feeder includes a roller for feeding the sheet from the tray. The roller is configured to move between a first roller position in which the roller contacts the sheet holding surface of the tray and a second roller position in which the roller is separated from the sheet holding surface. A return guide, disposed between the recording unit and the sheet feeder, defines a second conveying path to guide the sheet having an image recorded on one side thereof back to the feed guide. The return guide has a first opening configured to accommodate the roller of the sheet feeder when the roller is in the second roller position. | 10-23-2014 |
20140319756 | SHEET FEED DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A sheet feed device is provided in which, at the time of pulling out a sheet housing portion from an image forming apparatus main body, when the sheet housing portion moves from a first position to a second position, a pickup roller moves on a first rotary shaft, to a position on an upstream side in an insertion direction, and at the time of inserting the sheet housing portion in the image forming apparatus main body, when the sheet housing portion moves from the second position to the first position, the pickup roller moves on the first rotary shaft, to a position on a downstream side in the insertion direction. A movable area of the pickup roller in a direction of the rotary shaft is equal to or larger than a movement amount of the pickup roller between the upstream side position and the downstream side position. | 10-30-2014 |
20140374984 | PAPER FEED APPARATUS, IMAGE READING APPARATUS COMPRISING PAPER FEED APPARATUS, AND IMAGE FORMING APPARATUS COMPRISING IMAGE READING APPARATUS - A paper feed apparatus includes a paper feeding portion that sends-out a paper placed in a paper placing tray, and is used in an image forming apparatus such as a multifunction machine. The paper feed apparatus comprises a first regulating portion and a second regulating portion that are arranged in the vicinity of a downstream side of a paper feeding position by the paper feeding portion. The first regulating portion is arranged outside a second width paper passage area to regulate a movement of a first width paper such as A4 paper placed in the paper placing tray toward a feeding direction. On the other hand, the second regulating portion is arranged inside the second width paper passage area to regulate a movement of a second width paper such as a name card placed in the paper placing tray toward a feeding direction. Since there are provided with the first regulating portion and the second regulating portion that are arranged outside and inside the second width paper passage area, the second width paper such as a name card can be adequately fed in addition to the first width paper such as A4 paper. | 12-25-2014 |
20150028536 | SHEET FEED DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A sheet feed device includes a feed unit and a sheet loading cassette. The feed unit includes a separation conveyance portion that is composed of a feed member and a separation member, a separation holder that supports the separation member and is swingable, and a pressing member that presses the separation holder. The sheet loading cassette includes a grip portion, a pressure release member that, in conjunction with an operation of drawing out the sheet loading cassette, comes into contact with the pressing member, an operation lever that is provided at the grip portion. In a state where the sheet loading cassette is inserted in the apparatus main body, the operation lever is gripped together with the grip portion, and thus the pressure release member slides to come into contact with the pressing member, so that the pressing member is released from the separation holder. | 01-29-2015 |
20150042033 | SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS - A variable speed unit is driven by a drive unit to make a tooth-missing large gear of a sheet feed tooth-missing stage gear mesh with a small gear of an input stage gear rotating at a constant speed, to then rotate a rotating shaft of the feeding roller and a cam at a first speed to lift an intermediate plate. If a sheet stacked on the intermediate plate is pressed against the feeding roller, the variable speed unit makes a large gear of the input stage gear and a tooth-missing small gear of the sheet feed tooth-missing stage gear mesh with each other, so that the rotating shaft of the feeding roller is rotated at a second speed faster than the first speed to rotate the feeding roller at a fast speed. | 02-12-2015 |
20150042034 | SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A sheet feeding device selectively transmit a driving force transmitted to a double gear type driving gear to a first reverse gear to rotate a retard roller in a direction opposite to a rotation direction of a forward roller such that various kinds of sheets having different friction forces are separated and supplied, and an image forming apparatus including the same. | 02-12-2015 |
20150061213 | SHEET FEEDING DEVICE AND PRINTER - The moving mechanism of a sheet feeding device has a first moving member and a second moving member. The first moving member is held in a position corresponding to the number of sheets supported by a sheet support member, and when moving in a specific direction can move the sheet support member in the separation direction away from a paper feed roller. The second moving member moves out and back through a specific range of movement in each revolution of the paper feed roller, engages the first moving member and moves the first moving member in the specific direction when moving out, and releases said engagement when moving back. | 03-05-2015 |
20150061214 | PRINTING MEDIUM SUPPLYING APPARATUS AND IMAGE FORMING APPARATUS HAVING THE SAME - A printing medium supplying apparatus may include a body, a feed tray configured to rotate between a first position in which the feed tray forms an external appearance of the body and a second position in which a printing medium is loaded, a knock-up plate provided on the feed tray configured to ascend and descend, a pickup roller configured to make contact with the loaded printing medium as the knock-up plate ascends, and a rotating lever configured to allow the knock-up plate to be restricted at a side of the feed tray when the feed tray rotates from the first position to the second position. Accordingly, the knock-up plate are restricted and released together with operations of the pickup roller and the feed tray. | 03-05-2015 |
20150084268 | PRINTING MEDIUM SUPPLY DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME - A printing medium supply device and an image forming apparatus having the same are provided. The printing medium supply device may include a pickup unit and an adjustment unit. The pickup unit may include a shaft, a pickup roller spaced apart from the shaft to come into contact with printing media, a pickup holder to support the pickup roller, the pickup holder being rotated about the shaft to lift or lower the pickup roller, and a link member connected to the pickup holder so as to be rotated about the shaft. The adjustment unit may include a pressure member coming into contact with a pressure applied portion of the link member to rotate the link member by applying pressure thereto, and an elastic member elastically supported by the pressure member to transmit elastic force to the link member. This configuration ensures constant pickup pressure despite variation in the quantity of printing media. | 03-26-2015 |
20150091244 | SHEET FEEDING APPARATUS, IMAGE READING APPARATUS, AND IMAGE FORMING APPARATUS - There are provide a sheet feeding apparatus, in which a feeding roller can take a feeding position and a retracted position through a simple configuration, and an image reading apparatus, and an image forming apparatus including the same. The sheet feeding apparatus includes an original stack tray, a pickup roller, a pickup arm, a separation shaft of a separation roller which is connected to the pickup roller and rotates the pickup arm, a driving motor which is connected to the separation shaft, and a weight member which is supported to the pickup arm on a side opposite to the pickup roller. When the driving motor is driven, the pickup arm is rotated to a feeding position to feed an original. When transmission of a driving to the separation shaft is blocked, the pickup roller is rotated to a retracted position by the weight member. | 04-02-2015 |
20150115519 | Sheet Conveyance Apparatus Ensuring Reduced Damage of Stopper - A sheet conveyance apparatus includes a sheet conveyance path, a sheet feeding member, a driving mechanism, a stopper, an interlocking portion, a cover member, and an evacuation mechanism. The stopper is configured to change a posture between a projection posture and an evacuation posture. The projection posture is configured to project into the sheet conveyance path so as to prevent the sheet to be loaded on a sheet loading portion from abutting on the sheet feeding member. The evacuation posture is configured to evacuate the stopper from the sheet conveyance path. The evacuation mechanism is configured to: change the stopper to have the evacuation posture, or to be in a posture changeable state where the stopper changes from the projection posture to the evacuation posture by application of external force, in conjunction with a change of the cover member from a closed state to the open state. | 04-30-2015 |
20150123340 | SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS - A separation roller is provided in a first end portion of a separation roller shaft through a torque limiter. The separation roller is provided to be able to come into pressure contact with a conveying roller rotatably supported by a conveying roller shaft. A support portion supports the separation roller in a cantilever condition and is formed to be elastically deformable. The support portion supports the separation roller shaft such that the separation roller shaft is inclined by a predetermined angle with respect to the conveying roller shaft such that the first end portion of the separation roller shaft is positioned upstream in a sheet conveying direction of a second end portion in a state in which the conveying roller is not driven. | 05-07-2015 |
20150307296 | IMAGE RECORDING DEVICE - An image recording device having a recording unit to record an image on a sheet is provided. The image recording unit includes a feed guide defining a first conveying path; an arm disposed between the recording unit and the tray, the arm having a feed roller rotatably disposed at a free end and configured to feed the sheet in the tray to the first conveying path. The arm pivots between a first arm position, and a second arm position. The return guide pivots between a first return guide position, and a second return guide position. A space occupied by the return guide in the first return guide position overlaps a space occupied by the arm in the second arm position. The return guide is in the second return guide position when the arm is in the second arm position which is retracted from an insertion space occupied by the tray. | 10-29-2015 |
20150321862 | SHEET PICKUP APPARATUS AND IMAGE FORMING APPARATUS HAVING THE SAME - A sheet pickup apparatus and image forming apparatus are provided. The sheet pickup apparatus includes a roller support member rotatably disposed in a sheet feeding unit and comprising roller support portions connected by a hinge, a driving shaft rotatably disposed in an end of the roller support member to transmit rotational force to the roller support member, a pickup roller rotatably disposed in another end of the roller support member, a damper member disposed to absorb impact force by limiting rotation of the roller support member, and a power transmitting member disposed in the roller support member to transmit the rotational force to the pickup roller. | 11-12-2015 |
20150321863 | SHEET FEEDER AND IMAGE FORMING APPARATUS INCORPORATING SAME - A sheet feeder, which is included in an image forming apparatus, includes a sheet bypass member openably closable to one side surface of a body of the image forming apparatus, a pickup roller to feed and convey a sheet loaded on the sheet bypass member, and an arm to hold the pickup roller and to open and close with the pickup roller. The arm includes a contact portion extending in a shape of projection toward an upstream side from the pickup roller in a sheet conveying direction of the sheet bypass member. As the sheet bypass member is rotated upward to be closed and stored to the side surface of the body, the contact portion of the arm contacts the sheet bypass member to rotate the arm upward to cause the sheet bypass member to approach to the side surface of the body. | 11-12-2015 |
20150329302 | PRINTER - A printer which reduces feeding failure that occurs when a roller is pressed against a sheet of paper by power of a driving source includes: a rotating member which rotates around a first axis; a connecting member which connects with the rotating member; a roller which is disposed in the connecting member and rotates around a second axis to transfer a medium; and a support member disposed across from the roller, wherein the roller applies a force to the medium based on rotation of the rotating member, and the medium is transferred between the roller and the support member. | 11-19-2015 |
20150344247 | SCANNER DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A scanning device and an image forming apparatus are provided. The scanning device includes a position-changing module that is provided on a base frame separately from a cover and changes a position of at least one selected from a pickup module and a friction module to release a nip that is formed between the pickup module and the friction module. Thus, paper jams may be easily solved and the nip may be prevented from being unnecessarily released. | 12-03-2015 |
20160023856 | BANKNOTE STORING/FEEDING UNIT - An object of the invention is to provide a banknote storing/feeding unit which is capable of effectively utilizing winding spaces of a drum and a reel, to increase the number of banknotes to be stored. The banknote storing/feeding unit includes the drum which winds and rewinds a banknote together with a tape, and the reel which winds and rewinds the tape on and from the drum. A guide body swinging according to winding and rewinding of the tape and the banknote on and from the drum is provided between the drum and the reel. The guide body has a guide passage that guides the tape and the banknote to be wound and rewound on the drum. The guide body swings centering on a supporting point located within a region parallel to a virtual line connecting a rotational center of the drum and a rotational center of the reel. | 01-28-2016 |
20160046456 | PRINTING MEDIUM FEEDER AND IMAGE FORMING APPARATUS HAVING THE SAME - A printing medium feeder and image forming apparatus are provided. The printing medium feeder includes a pickup unit configured to pick up printing medium, and a support arranged on a lower side of the pickup unit to selectively support the pickup unit or release supporting of the pickup unit, wherein as the support releases the supporting of the pickup unit, the other end portion of the pickup unit descends by self-weight on the basis of one end portion thereof to be seated on the printing medium. | 02-18-2016 |
20160090250 | SHEET FEEDER - A sheet feeder including a driving mechanism moving a stopper, an end of the stopper in a first position being closer to a pickup roller axis than a part of a roller surface of a pickup roller, the end of the stopper in a second position being farther from the pickup roller axis than the part of the roller surface, and a movable set guide having a first surface facing in a particular direction to become farther from the roller surface, the first surface being farther from the pickup roller axis than all the roller surface when the set guide is in a third position and contacts the stopper in the first position, the first surface being closer to the pickup roller axis than the part of the roller surface when the set guide is in a fourth position and separated away from the stopper in the second position. | 03-31-2016 |
20160130099 | PAPER FEED APPARATUS, IMAGE READING APPARATUS COMPRISING PAPER FEED APPARATUS, AND IMAGE FORMING APPARATUS COMPRISING PAPER FEED APPARATUS - A paper feed apparatus includes a paper feeding portion that sends-out a paper placed in a paper placing tray, and is used in an image forming apparatus such as a multifunction machine. The paper feed apparatus comprises a first regulating portion and a second regulating portion that are arranged in the vicinity of a downstream side of a paper feeding position by the paper feeding portion. The first regulating portion is arranged outside a second width paper passage area to regulate a movement of a first width paper such as A4 paper placed in the paper placing tray toward a feeding direction. On the other hand, the second regulating portion is arranged inside the second width paper passage area to regulate a movement of a second width paper such as a name card placed in the paper placing tray toward a feeding direction. Since there are provided with the first regulating portion and the second regulating portion that are arranged outside and inside the second width paper passage area, the second width paper such as a name card can be adequately fed in addition to the first width paper such as A4 paper. | 05-12-2016 |
20160137439 | PRINT MEDIUM FEED UNIT AND IMAGE FORMATION APPARATUS - A print medium feed unit includes: a first feed roller including a first end portion and a second end portion and configured to pick up a print medium by rotating about a rotational axis extending in a first direction; a first support portion configured to rotationally support the first end portion; and a second support portion configured to rotationally support the second end portion. At least one of the first support portion and the second support portion includes a separation structure including a first portion and a second portion which are separable from each other in a radial direction of the first feed roller. | 05-19-2016 |
20160152426 | SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS | 06-02-2016 |
20160177989 | Push-Pull Latch Assembly for a Detachable Media Pick Mechanism | 06-23-2016 |
20160185143 | FEEDING APPARATUS - A feeding apparatus includes: a loading unit configured to load a plurality of sheet-like media in a stacked state; a feeding roller configured to feed the media by rotating while abutting against the media loaded on the loading unit; an arm configured to rotatably support the feeding roller and configured to be swingable about a support shaft; at least one actuator supported by the arm to be swingable about a fulcrum provided between the support shaft and a leading end of the arm, the arm being on the same side as the feeding roller with respect to the support shaft and being farthest away from the support shaft; and at least one sensor configured to output a signal which differentiates a first posture of the at least one actuator with respect to the arm, from a second posture different from the first posture. | 06-30-2016 |
20160185539 | SHEET FEEDING APPARATUS - The present invention is to provide a sheet feeding apparatus to feed a sheet including a pressing member that presses and regulates one end in the width direction of sheets on a stack tray, an urging member that urges the pressing member, and an urging force changing mechanism that changes an urging force of the urging member in accordance with a sheet thickness, the urging force changing mechanism provides a pressing force in accordance with a sheet kind, so that sheets can be reliably aligned and fed in an appropriate posture. | 06-30-2016 |
271118000 | Feed by successive approach and retraction | 4 |
20080265491 | PAPER FEEDING APPARATUS - A paper feeding apparatus used in a state where the apparatus accumulates paper sheets for an image forming apparatus to form images thereon and the paper feeding apparatus is attached to a main body of the image forming apparatus, wherein an engaging-holding member is provided for an exterior wall face of the paper feeding apparatus, and the engaging-holding member engages and holds the paper feeding apparatus with an exterior housing of the image forming apparatus so as to enable the paper feeding apparatus to move into/from the exterior housing of the image forming apparatus, is provided for an exterior wall face of the paper feeding apparatus, and wherein the engaging-holding member is provided for a specific one of the exterior wall faces of the paper feeding apparatus corresponding to the moving direction determined according to the specification of the image forming apparatus. | 10-30-2008 |
20090014944 | FEEDING DEVICE, RECORDING APPARATUS, AND FEEDING METHOD - A feeding device is provided including a stacking portion on which a plurality of recording media are stacked, a feed roller that feeds the recording medium stacked on the stacking portion, biasing means for applying biasing force to either the stacking portion or the feed roller to thereby decrease the distance between the stacking portion and the feed roller, and biasing force adjustment means for adjusting the magnitude of the biasing force of the biasing means. | 01-15-2009 |
20090026692 | PAPER-SHEET FEEDING DEVICE - A paper-sheet feeding device including a kicker roller configured to contact a forefront paper-sheet of a plurality of stacked paper-sheets and kick out the forefront paper-sheet; a feed roller to feed-out the paper-sheets to be kicked out by the kicker roller; and a press-fitting roller press-fit against the feed roller to provide a gate unit adapted to separate the paper-sheets to be fed by the feed roller, into one sheet. The kicker roller includes a base part and a high friction part formed in part of the outer circumference of the base part along the circumferential direction and configured to kick out the forefront paper-sheet. The feed roller includes a base part and a high friction part formed over the entire outer circumference of the base part and configured to contact the surface of the paper-sheet to be kicked out by the kicker roller to perform feed-out of the paper-sheet. | 01-29-2009 |
20160159590 | FEEDING DEVICE AND IMAGE FORMING APPARATUS - A feeding device includes a stacking member, a raising device, a feeding member, an interlocking device including a sheet contact portion, a switching device, a holding member, and a movement device. The feeding member is movable between contact and retracting positions, and rotates in contact with a sheet stacked on the stacking member in a state of being located at the contact position. The sheet contact portion contacts the stacked sheet, and moves by being pressed against the stacked sheet where the raising device raises the stacking member. The switching device switches the raising device between a permitted state and a regulated state. The movement device moves the feeding member to the retracting position above the contact position by moving the holding member. The raising device does not change from the regulated state to the permitted state when the movement device moves the feeding member to the retracting position. | 06-09-2016 |