Patent application number | Description | Published |
20090324283 | Image-Forming Device - A plurality of developing units is disposed beneath photosensitive drums for supplying toner to the photosensitive drums. A mounting member detachably mounts the developing units and is configured to be pulled out from the main casing. A supporting member has an upstream end portion in a pulling direction that the mounting member is pulled outward from the main casing and is pivotably supported on the main casing about the upstream end portion. The mounting member is slidably supported on the supporting member in the pulling direction. The supporting member is configured to pivot with the mounting member between a first position where the developing units are capable of supplying toner to the photosensitive drums and a second position where the developing units separate from the photosensitive drums. The mounting member is configured to be pulled out from the main casing if the support member is in the second position. | 12-31-2009 |
20110206407 | DEVELOPING CARTRIDGE AND IMAGE FORMING APPARATUS - A developing cartridge includes a housing including first and second sidewalls; a developing roller, received by the sidewalls, and rotatable about a first axis line; a coupling rotatable about a second axis line parallel with the first axis line, wherein the coupling transfers rotational force to the developing roller, the rotational force being input by an drive input part, which advances and retreats, in a direction along the second axis line; and a moving member received so that the moving member can be moved along the advancing and retreating direction. The moving member has a pushing part, which is pushed toward the second sidewall, and an electrode part, which applies developing bias, and wherein when the pushing part is pushed, the moving member moves toward the second sidewall, so that the electrode part protrudes more from the second sidewall than before the pushing part was pushed. | 08-25-2011 |
20110243578 | CARTRIDGE AND IMAGE FORMING APPARATUS - A cartridge detachably attachable to an image forming apparatus which includes a main body, a driving unit and a detecting unit, includes: a housing that is configured to accommodate a developer therein, and includes a first side wall and a second side wall opposed to the first side wall in a longitudinal direction; a passive unit that is configured to receive a driving force from the driving unit, is mounted on the first side wall, and is rotatable around a first axis line parallel to the longitudinal direction; and a detected body mounted on the first side wall and including a detected part which is detected by the detecting unit. The detected body advances outwards in the longitudinal direction with respect to the first side wall and retracts inwards in the longitudinal direction with respect to the first side wall by the driving force received by the passive unit. | 10-06-2011 |
20120251165 | Cartridge - A cartridge which may include a housing, a driving input member provided at the housing and configured to be rotated by an externally supplied rotation driving force, and a rotational member configured to receive the rotation driving force, which is transmitted from the driving input member, and be rotated thereby. The cartridge may also include a detection protrusion including an elastic body and which is disposed at a position away from a rotational center of the rotational member. The detection protrusion may protrude from the rotational member away from the housing. The cartridge may also include a cover attached to the housing, the cover having an opposite part that faces a portion of the rotational member from which the detection protrusion protrudes. At an initial position, which is a position before the rotational member is rotated, the detection protrusion may abut the opposite part of the cover. | 10-04-2012 |
20120251173 | Image-Forming Device - A plurality of developing units is disposed beneath photosensitive drums for supplying toner to the photosensitive drums. A mounting member detachably mounts the developing units and is configured to be pulled out from the main casing. A supporting member has an upstream end portion in a pulling direction that the mounting member is pulled outward from the main casing and is pivotably supported on the main casing about the upstream end portion. The mounting member is slidably supported on the supporting member in the pulling direction. The supporting member is configured to pivot with the mounting member between a first position where the developing units are capable of supplying toner to the photosensitive drums and a second position where the developing units separate from the photosensitive drums. The mounting member is configured to be pulled out from the main casing if the support member is in the second position. | 10-04-2012 |
20120251216 | Cartridge - A cartridge which may include a housing, a driving input member provided at the housing wherein the driving input member is configured to be rotated by an externally supplied rotation driving force, and a rotational member configured to receive the rotation driving force, which is transmitted from the driving input member, and be rotated thereby. The cartridge may also include a detection protrusion provided at a position away from a rotational center of the rotational member. The detection protrusion may include a main body protruding from the rotational member away from the housing and a pivot part configured to pivot relative to the main body. The detection protrusion may be configured to be changeable between an extended state and a collapsed state with respect to the rotational member. | 10-04-2012 |
20130051883 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a photosensitive member configured to form a developer imaged thereon; a transfer member configured to transfer the developer image formed on the photosensitive member to a sheet; a conveyance roller configured to convey the sheet toward between the photosensitive member and the transfer roller, and a charge removal member configured to remove charges on the conveyance roller. The conveyance roller is arranged to face a surface of the sheet to which the transfer roller faces. The charge removal member is provided at a position at which the charge removal member is not in contact with the conveyance roller, within a range in which the charges on the conveyance rollers can be discharged toward the charge removal member. | 02-28-2013 |
20130272724 | CARTRIDGE AND IMAGE FORMING APPARATUS - A cartridge detachably attachable to an image forming apparatus which includes a main body, a driving unit and a detecting unit, includes: a housing that is configured to accommodate a developer therein, and includes a first side wail and a second side wall opposed to the first side wall in a longitudinal direction; a passive unit that is configured to receive a driving force from the driving unit, is mounted on the first side wall, and is rotatable around a first axis line parallel to the longitudinal direction; and a detected body mounted on the first side wall and including a detected part which is detected by the detecting unit. The detected body advances outwards in the longitudinal direction with respect to the first side wall and retracts inwards in the longitudinal direction with respect to the first side wall by the driving force received by the passive unit. | 10-17-2013 |
20140037335 | Image-Forming Device - An image-forming device includes a main casing having a paper tray; a belt accommodated in the main casing; a plurality of developing units juxtaposed along the belt; a mounting member configured to detachably support the plurality of developing units, the mounting member being configured to be pulled outward from the main casing in a pulling direction; and a guide member configured to drawably guide the mounting member from the main casing, the guide member being configured to move between a first position and a second position, the second position being farther from the belt than the first position. When the guide member is at the second position, a first distance between the paper tray and a downstream end portion of the guide member in the pulling direction is shorter than a second distance between the paper tray and an upstream end portion of the guide member in the pulling direction. | 02-06-2014 |
20140079430 | DEVELOPING CARTRIDGE AND IMAGE FORMING APPARATUS - A developing cartridge includes a housing including first and second sidewalls; a developing roller, received by the sidewalls, and rotatable about a first axis line; a coupling rotatable about a second axis line parallel with the first axis line, wherein the coupling transfers rotational force to the developing roller, the rotational force being input by an drive input part, which advances and retreats, in a direction along the second axis line; and a moving member received so that the moving member can be moved along the advancing and retreating direction. The moving member has a pushing part, which is pushed toward the second sidewall, and an electrode part, which applies developing bias, and wherein when the pushing part is pushed, the moving member moves toward the second sidewall, so that the electrode part protrudes more from the second sidewall than before the pushing part was pushed. | 03-20-2014 |
20140126934 | Cap Configuration for a Toner Cartridge - Aspects described herein relate to a cap for a toner cartridge. In one example, the cap may be configured to close a toner supply opening of the toner cartridge. According to one or more aspects, the cap may include a sealing or covering portion configured to cover the toner supply opening and a shaft portion for rotatably supporting a to-be-detected rotary member. The to-be-detected rotary member | 05-08-2014 |
20140178093 | Developing Device, Process Cartridge and Image Forming Apparatus - A developing device includes a casing configured to accommodate developer, a developing roller, a seal member, at least portion of which is disposed between the developing roller and the casing, and which includes a fabric member including a plurality of first fibers extending in a first direction, and a heat radiation member configured to contact end surfaces of the first fibers of the seal member and radiate heat of the seal member. | 06-26-2014 |
20140270815 | Cartridge Detection - A cartridge which may include a housing, a driving input member provided at the housing and configured to be rotated by an externally supplied rotation driving force, and a rotational member configured to receive the rotation driving force, which is transmitted from the driving input member, and be rotated thereby. The cartridge may also include a detection protrusion including an elastic body and which is disposed at a position away from a rotational center of the rotational member. The detection protrusion may protrude from the rotational member away from the housing. The cartridge may also include a cover attached to the housing, the cover having an opposite part that faces a portion of the rotational member from which the detection protrusion protrudes. At an initial position, which is a position before the rotational member is rotated, the detection protrusion may abut the opposite part of the cover. | 09-18-2014 |
20140294431 | Charging Device Provided with Cleaner for Cleaning Electrode - There is provided a charging device including: a discharge electrode extending in a first direction; and a cleaning member configured to move in the first direction to clean the discharge electrode. The cleaning member includes a rigid member in contact with the discharge electrode, and a cushion member supporting the rigid member. The cushion member is positioned opposite to the discharge electrode with respect to the rigid member. | 10-02-2014 |
20140341617 | Cap Configuration for a Toner Cartridge - Aspects described herein relate to a cap for a toner cartridge. In one example, the cap may be configured to close a toner supply opening of the toner cartridge. According to one or more aspects, the cap may include a sealing or covering portion configured to cover the toner supply opening and a shaft portion for rotatably supporting a to-be-detected rotary member. The to-be-detected rotary member | 11-20-2014 |
20140376960 | Image-Forming Device Having Guide to Guide Drawer Supporting Developing Units in Main Casing - An image-forming device includes a main casing, a belt accommodated in the main casing, developing units arranged along the belt, a drawer configured to detachably support the developing units, the drawer configured to move to a position inside the main casing and to a position outside the main casing, and the drawer having a leading end and a trailing end in a pulling direction from the inside position to the outside position; and a guide configured to guide the drawer and to move between a first position and a second position when the drawer is at the inside position, the second position being farther from the belt than the first position from the belt. When the guide is at the second position, the guide is configured to be tilted downward relative to a horizontal direction such that the leading end is lower than the trailing end. | 12-25-2014 |
20150037068 | Image Forming Apparatus - An image forming apparatus may include: a process cartridge, an apparatus body and a spacing member. The process cartridge may be detachably mountable to the apparatus body and include a photosensitive unit having a photosensitive member, a developing unit having a developing roller, and a driving input part into which a driving force from the apparatus body is configured to be inputted. The apparatus body may include a driving input member which is configured to input the driving force. Additionally or alternatively, the spacing member may be attached to the process cartridge and configured to space the photosensitive member and the developing roller. The spacing member may include a first cover part which is located between the driving input part and the driving input member and covers at least a portion of the driving input part. | 02-05-2015 |