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1. 发明授权

US12092991B2 Image forming apparatus including developing guide for guiding attachment and detachment of developing cartridge to and from main body housing 有权
公开(公告)号：US12092991B2
公开(公告)日：2024-09-17
申请号：US18359400
申请日：2023-07-26
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Yasuo Fukamachi , Kazutoshi Nakamura , Masaaki Furukawa
IPC分类号： G03G21/16 , G03G15/08 , G03G21/18
CPC分类号： G03G21/1814 , G03G15/0863 , G03G21/1652
摘要： An image forming apparatus includes: a main body housing; a developing cartridge attachable to and detachable from the main body housing; a drum cartridge attachable to and detachable from the main body housing; and a developing guide for guiding attachment and detachment of the developing cartridge to and from the main body housing. The developing cartridge includes a developing roller and a developing memory for storing information. The drum cartridge includes a photosensitive drum. The developing guide is movable together with the developing cartridge between a first position where the developing roller is in contact with the photosensitive drum and a second position where the developing roller is separated from the photosensitive drum. The developing guide includes a developing memory terminal configured to be in contact with the developing memory in a state where the developing cartridge is attached to the main body housing.

2. 发明授权

US12066784B2 Image forming apparatus 有权
公开(公告)号：US12066784B2
公开(公告)日：2024-08-20
申请号：US18153437
申请日：2023-01-12
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Nao Itabashi , Misato Osuka , Keita Shimizu , Go Iwasa , Kazutoshi Nakamura , Ryosuke Hayashi , Tsubasa Kiriyama , Naoya Kamimura , Yuwen Wang , Masaaki Furukawa , Kazuma Hinoue , Kenta Tosuji
IPC分类号： G03G15/00 , G03G15/02 , G03G15/08 , G03G21/16 , G03G21/18
CPC分类号： G03G15/80 , G03G15/0863 , G03G21/1652 , G03G21/1803 , G03G21/1867 , G03G21/1885 , G03G15/0216 , G03G15/087 , G03G15/5008 , G03G21/1846 , G03G2215/00713 , G03G2215/0872
摘要： An image forming apparatus includes a main housing, a drawer, and a cartridge. The drawer is movable between an inside position inside the main housing and an outside position outside the main housing. The cartridge is installable into and removable from the drawer. The cartridge includes a photosensitive drum configured to rotate about a drum axis. The drawer comprises a lock member movable between a lock position in which the drawer is locked to the main housing, and an unlock position in which the drawer is unlocked from the main housing. The cartridge installed in the drawer is rotatable about the drum axis between a first position and a second position. The lock member is positioned in the lock position when the cartridge is positioned in the first position, and positioned in the unlock position when the cartridge is positioned in the second position.

3. 发明授权

US11914323B2 Image forming apparatus including developing guide for guiding attachment and detachment of developing cartridge to and from main body housing 有权
公开(公告)号：US11914323B2
公开(公告)日：2024-02-27
申请号：US17484603
申请日：2021-09-24
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Yasuo Fukamachi , Kazutoshi Nakamura , Masaaki Furukawa
IPC分类号： G03G21/16 , G03G15/08 , G03G21/18
CPC分类号： G03G21/1814 , G03G15/0863
摘要： An image forming apparatus includes: a main body housing; a developing cartridge attachable to and detachable from the main body housing; a drum cartridge attachable to and detachable from the main body housing; and a developing guide for guiding attachment and detachment of the developing cartridge to and from the main body housing. The developing cartridge includes a developing roller and a developing memory for storing information. The drum cartridge includes a photosensitive drum. The developing guide is movable together with the developing cartridge between a first position where the developing roller is in contact with the photosensitive drum and a second position where the developing roller is separated from the photosensitive drum. The developing guide includes a developing memory terminal configured to be in contact with the developing memory in a state where the developing cartridge is attached to the main body housing.

4. 发明公开

US20230176514A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20230176514A1
公开(公告)日：2023-06-08
申请号：US18153437
申请日：2023-01-12
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Nao Itabashi , Misato Osuka , Keita Shimizu , Go Iwasa , Kazutoshi Nakamura , Ryosuke Hayashi , Tsubasa Kiriyama , Naoya Kamimura , Yuwen Wang , Masaaki Furukawa , Kazuma Hinoue , Kenta Tosuji
IPC分类号： G03G15/00 , G03G15/08 , G03G15/02 , G03G21/18
CPC分类号： G03G15/5008 , G03G15/087 , G03G15/0216 , G03G21/1846 , G03G21/1885 , G03G2215/00713 , G03G2215/0872
摘要： An image forming apparatus includes a main housing, a drawer, and a cartridge. The drawer is movable between an inside position inside the main housing and an outside position outside the main housing. The cartridge is installable into and removable from the drawer. The cartridge includes a photosensitive drum configured to rotate about a drum axis. The drawer comprises a lock member movable between a lock position in which the drawer is locked to the main housing, and an unlock position in which the drawer is unlocked from the main housing. The cartridge installed in the drawer is rotatable about the drum axis between a first position and a second position. The lock member is positioned in the lock position when the cartridge is positioned in the first position, and positioned in the unlock position when the cartridge is positioned in the second position.

5. 发明公开

US20240272575A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20240272575A1
公开(公告)日：2024-08-15
申请号：US18636478
申请日：2024-04-16
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Nao Itabashi , Misato Osuka , Keita Shimizu , Go Iwasa , Kazutoshi Nakamura , Ryosuke Hayashi , Tsubasa Kiriyama , Naoya Kamimura , Yuwen Wang , Masaaki Furukawa , Kazuma Hinoue , Kenta Tosuji
IPC分类号： G03G15/00 , G03G15/02 , G03G15/08 , G03G21/16 , G03G21/18
CPC分类号： G03G15/80 , G03G15/0863 , G03G21/1652 , G03G21/1803 , G03G21/1867 , G03G21/1885 , G03G15/0216 , G03G15/087 , G03G15/5008 , G03G21/1846 , G03G2215/00713 , G03G2215/0872
摘要： An image forming apparatus includes a main housing, a drawer, and a cartridge. The drawer is movable between an inside position inside the main housing and an outside position outside the main housing. The cartridge is installable into and removable from the drawer. The cartridge includes a photosensitive drum configured to rotate about a drum axis. The drawer comprises a lock member movable between a lock position in which the drawer is locked to the main housing, and an unlock position in which the drawer is unlocked from the main housing. The cartridge installed in the drawer is rotatable about the drum axis between a first position and a second position. The lock member is positioned in the lock position when the cartridge is positioned in the first position, and positioned in the unlock position when the cartridge is positioned in the second position.

6. 发明授权

US10866557B2 Image forming apparatus 有权
公开(公告)号：US10866557B2
公开(公告)日：2020-12-15
申请号：US16803329
申请日：2020-02-27
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Kazutoshi Nakamura , Yasuo Fukamachi , Masaaki Furukawa
IPC分类号： G03G21/16
CPC分类号： G03G21/1647 , G03G21/1671 , G03G21/1676
摘要： An image forming apparatus includes a main casing, a drum cartridge and a developing cartridge. The drum cartridge may include a first handle positioned at a first end of a frame of the drum cartridge. The developing cartridge may include a second handle positioned at a first end of a developing casing the developing cartridge. The main casing may include a first edge surface in the axial direction and a second edge surface opposite the first edge surface in the axial direction. The second handle may extend farther from the second edge surface than the first handle extends from the second edge surface in the axial direction in a state where the drum cartridge and the developing cartridge are attached to the main casing.

7. 发明授权

US10841444B2 Image reading apparatus 有权
公开(公告)号：US10841444B2
公开(公告)日：2020-11-17
申请号：US16261671
申请日：2019-01-30
申请人： Brother Kogyo Kabushiki Kaisha
发明人： Takashi Fujiwara , Kazutoshi Nakamura
IPC分类号： H04N1/00
CPC分类号： H04N1/00604 , H04N1/00588 , H04N1/00591 , H04N1/00615 , H04N1/00798
摘要： An image reading apparatus includes: a supply tray, which supports sheets to be supplied and includes a movable plate configured to move from a first position to a second position as the sheet supported by the supply tray is decreased, the second position being higher than the first position; a discharge tray; a conveyance guide; a reading sensor; a discharge unit, which includes a discharge opening to discharge the sheet conveyed by the conveyance guide to the discharge tray and is configured to move from a third position to a fourth position as the sheet supported by the paper feed tray is decreased, the fourth position being higher than the third position; and a first drive source, which generates a drive force, wherein the discharge unit is configured to move by receiving the drive force and to transmit the drive force to the movable plate.

8. 发明申请

US20160227059A1 Image Reading Device 有权
标题翻译：图像读取装置
公开(公告)号：US20160227059A1
公开(公告)日：2016-08-04
申请号：US15009911
申请日：2016-01-29
申请人： Brother Kogyo Kabushiki Kaisha
发明人： Kazutoshi Nakamura
IPC分类号： H04N1/00 , H04N1/04
CPC分类号： H04N1/00559 , H04N1/00907 , H04N1/04 , H04N1/1061
摘要： An image reading device includes a housing, a first support member, a reading unit, a movable member, and a flat cable. The housing defines an accommodating space between a bottom surface and a frame member facing the bottom surface. The first support member is supported by the housing and covers the accommodating space. The movable member holds the reading unit disposed in the accommodating space. The flat cable is connected to the reading unit at one end and an electrical part outside the accommodating space at the other end. The housing further includes a support wall protruding from the bottom surface toward the first support member and a cable receiving portion receiving a middle portion of the flat cable. The cable receiving portion is formed at a higher height level than a particular area of the bottom surface located between the support wall and the cable receiving portion.
摘要翻译：图像读取装置包括壳体，第一支撑构件，读取单元，可动构件和扁平电缆。壳体限定了底面和面向底面的框架构件之间的容纳空间。第一支撑构件由壳体支撑并且覆盖容纳空间。可移动构件保持设置在容纳空间中的读取单元。扁平电缆在一端连接到读取单元，另一端连接到容纳空间外部的电气部件。壳体还包括从底表面朝向第一支撑构件突出的支撑壁和容纳扁平电缆的中间部分的电缆接收部分。电缆接收部分形成在比位于支撑壁和电缆接收部分之间的底表面的特定区域更高的高度水平处。

9. 发明授权

US12072006B2 Developing device 有权
公开(公告)号：US12072006B2
公开(公告)日：2024-08-27
申请号：US17931582
申请日：2022-09-13
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Takashi Shimizu , Yasuo Fukamachi , Keita Shimizu , Kazutoshi Nakamura
IPC分类号： F16H3/18 , G03G15/08
CPC分类号： F16H3/18 , G03G15/0808
摘要： A developing device may include an auger or an agitator that is capable of supplying toner in a toner accommodation chamber to a developing chamber and is rotatable about an auger axis extending in an axial direction, a transporting gear that is rotatable together with the auger or the agitator, and a moving gear that is in mesh with a coupling gear and is rotatable both counterclockwise and clockwise. The moving gear is movable while being in mesh with the coupling gear between a first position where the moving gear is in mesh with the transporting gear and a second position where the moving gear is out of mesh with the transporting gear. The moving gear moves to the first position when the coupling gear rotates counterclockwise and to the second position when the coupling gear rotates clockwise.

10. 发明授权

US11762312B2 Developing cartridge including movable plate for moving holder holding electrical contact surface 有权
公开(公告)号：US11762312B2
公开(公告)日：2023-09-19
申请号：US17672323
申请日：2022-02-15
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Naoya Kamimura , Tomitake Aratachi , Yasuo Fukamachi , Junichi Hashimoto , Saya Minoshima , Nao Itabashi , Kazutoshi Nakamura , Misato Osuka , Junya Sumida , Shinya Kusuda
IPC分类号： G03G15/08 , G03G21/18
CPC分类号： G03G15/087 , G03G15/0808 , G03G21/1821 , G03G21/1864
摘要： A developing cartridge includes a casing, a developing roller rotatable about an axis extending in a first direction, a developing memory having an electrical contact surface, an agitator, an agitator gear rotatable about an agitator axis together with the agitator, a holder holding the electrical contact surface, and a plate movable between a first position and a second position in a second direction crossing the first direction relative to the casing. The holder is movable relative to the casing in a third direction crossing the first and second directions between a retracted position and an advancing position. The holder is movable from the retracted position to the advancing position in response to a movement of the plate from the first position to the second position. The plate is positioned farther away from the developing roller than the agitator gear and the holder are in the second direction.

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