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1. 发明公开

US20240004338A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20240004338A1
公开(公告)日：2024-01-04
申请号：US18467612
申请日：2023-09-14
申请人： CANON KABUSHIKI KAISHA
发明人： Yoshinori Hashimoto , Shogo Miyakawa , Akira Yoshimura , Hiromi Fujinaka , Isao Matsuoka , Shigeru Hoashi , Tomoya Kuruma
IPC分类号： G03G21/16
CPC分类号： G03G21/1619
摘要： According to an aspect of the present disclosure, an image forming apparatus includes a feeding module, an image forming module, and a fixing module. The feeding module feeds a recording material. The image forming module includes a photosensitive drum and forms a developer image on the recording material fed to the image forming module by the feeding module. The fixing module fixes the developer image formed by the image forming module to the recording material. The image forming module includes a scanner frame that supports an exposure unit configured to expose the photosensitive drum. The feeding module is installed on the scanner frame.

2. 发明授权

US11852988B2 Image forming apparatus with improved vibration rigidity 有权
公开(公告)号：US11852988B2
公开(公告)日：2023-12-26
申请号：US17737751
申请日：2022-05-05
申请人： CANON KABUSHIKI KAISHA
发明人： Shoji Yamamoto , Akira Yoshimura , Shogo Nagamine , Naoki Matsushita , Yoshihiko Tanaka , Hisanori Kobayashi , Takatoshi Tanaka , Mitsuhiro Ohta , Hiroki Katayama , Akitoshi Toyota
IPC分类号： G03G15/04
CPC分类号： G03G15/04072 , G03G2215/0404
摘要： An image forming apparatus to form an image on a recording material includes a photosensitive member, an exposure device to form a latent image on the photosensitive member, a tubular body defining a space in which at least a part of the exposure device is contained, and a support portion that supports the exposure device and is provided along a rotation axis direction of the photosensitive member in the space of the tubular body. The image forming apparatus further includes, in the rotation axis direction, a first side plate fixed to one end portion of the tubular body, and a second side plate fixed to another end portion of the tubular body. One support portion end portion in the rotation axis direction is fixed to the first side plate, and another support portion end portion in the rotation axis direction is fixed to the second side plate.

3. 发明申请

US20220082990A1 IMAGE FORMING APPARATUS 有权
公开(公告)号：US20220082990A1
公开(公告)日：2022-03-17
申请号：US17532445
申请日：2021-11-22
申请人： CANON KABUSHIKI KAISHA
发明人： Yoshinori Hashimoto , Shogo Miyakawa , Akira Yoshimura , Hiromi Fujinaka , Isao Matsuoka , Shigeru Hoashi , Tomoya Kuruma
IPC分类号： G03G21/16
摘要： According to an aspect of the present disclosure, an image forming apparatus includes a feeding module, an image forming module, and a fixing module. The feeding module feeds a recording material. The image forming module includes a photosensitive drum and forms a developer image on the recording material fed to the image forming module by the feeding module. The fixing module fixes the developer image formed by the image forming module to the recording material. The image forming module includes a scanner frame that supports an exposure unit configured to expose the photosensitive drum. The feeding module is installed on the scanner frame.

4. 发明申请

US20220035308A1 PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS 有权
公开(公告)号：US20220035308A1
公开(公告)日：2022-02-03
申请号：US17503457
申请日：2021-10-18
申请人： CANON KABUSHIKI KAISHA
发明人： Akira Yoshimura , Kazunari Murayama , Susumu Nittani , Atsushi Numagami
IPC分类号： G03G21/18 , G03G21/16
摘要： A process cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus. The cartridge includes an electrophotographic photosensitive drum, a developing roller, a drum unit containing the drum, a developing unit containing the roller and being movable so the roller contacts and is spaced from the drum, and a first force receiver receiving a force from a main-assembly first force applier by movement of a door from open to closed positions when mounting the cartridge and a second force receiver movable from a stand-by position by movement of the first force receiver by a force received from the first force applier. The second force receiver takes a projected position receiving a force from the second force applier to move the developing unit so the roller moves out of contact with the drum, the projected position being higher than the stand-by position.

5. 发明申请

US20210181671A1 PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS 有权
公开(公告)号：US20210181671A1
公开(公告)日：2021-06-17
申请号：US17189533
申请日：2021-03-02
申请人： CANON KABUSHIKI KAISHA
发明人： Akira Yoshimura , Kazunari Murayama , Susumu Nittani , Atsushi Numagami
IPC分类号： G03G21/18 , G03G21/16
摘要： A process cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus. The cartridge includes an electrophotographic photosensitive drum, a developing roller, a drum unit containing the drum, a developing unit containing the roller and being movable so the roller contacts and is spaced from the drum, and a first force receiver receiving a force from a main-assembly first force applier by movement of a door from open to closed positions when mounting the cartridge and a second force receiver movable from a stand-by position by movement of the first force receiver by a force received from the first force applier. The second force receiver takes a projected position receiving a force from the second force applier to move the developing unit so the roller moves out of contact with the drum, the projected position being higher than the stand-by position.

6. 发明申请

US20210132521A1 IMAGE FORMING APPARATUS 有权
公开(公告)号：US20210132521A1
公开(公告)日：2021-05-06
申请号：US17080590
申请日：2020-10-26
申请人： CANON KABUSHIKI KAISHA
发明人： Shoji Yamamoto , Akira Yoshimura , Shogo Nagamine , Naoki Matsushita , Yoshihiko Tanaka , Hisanori Kobayashi , Takatoshi Tanaka , Mitsuhiro Ohta , Hiroki Katayama , Akitoshi Toyota
IPC分类号： G03G15/04
摘要： An image forming apparatus to form an image on a recording material includes a photosensitive member, an exposure device to form a latent image on the photosensitive member, a tubular body defining a space in which at least a part of the exposure device is contained, and a support portion that supports the exposure device and is provided along a rotation axis direction of the photosensitive member in the space of the tubular body. The image forming apparatus further includes, in the rotation axis direction, a first side plate fixed to one end portion of the tubular body, and a second side plate fixed to another end portion of the tubular body. One support portion end portion in the rotation axis direction is fixed to the first side plate, and another support portion end portion in the rotation axis direction is fixed to the second side plate.

7. 发明申请

US20170108825A1 PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20170108825A1
公开(公告)日：2017-04-20
申请号：US15334589
申请日：2016-10-26
申请人： CANON KABUSHIKI KAISHA
发明人： Akira Yoshimura , Kazunari Murayama , Susumu Nittani , Atsushi Numagami
IPC分类号： G03G21/18
CPC分类号： G03G21/1803 , G03G21/1623 , G03G21/1647 , G03G21/1676 , G03G21/1814 , G03G21/1825 , G03G21/1839 , G03G21/1842 , G03G2215/0119 , G03G2221/169 , G03G2221/1861 , G03G2221/1869
摘要： A process cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus. The cartridge includes an electrophotographic photosensitive drum, a developing roller, a drum unit containing the drum, a developing unit containing the roller and being movable so the roller contacts and is spaced from the drum, and a first force receiver receiving a force from a main-assembly first force applier by movement of a door from open to closed positions when mounting the cartridge and a second force receiver movable from a stand-by position by movement of the first force receiver by a force received from the first force applier. The second force receiver takes a projected position receiving a force from the second force applier to move the developing unit so the roller moves out of contact with the drum, the projected position being higher than the stand-by position.

8. 发明申请

US20160378056A1 PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20160378056A1
公开(公告)日：2016-12-29
申请号：US15260520
申请日：2016-09-09
申请人： CANON KABUSHIKI KAISHA
发明人： Akira Yoshimura , Kazunari Murayama , Susumu Nittani , Atsushi Numagami
IPC分类号： G03G21/18
CPC分类号： G03G21/1803 , G03G21/1623 , G03G21/1647 , G03G21/1676 , G03G21/1814 , G03G21/1825 , G03G21/1839 , G03G21/1842 , G03G2215/0119 , G03G2221/169 , G03G2221/1861 , G03G2221/1869
摘要： A process cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus. The cartridge includes an electrophotographic photosensitive drum, a developing roller, a drum unit containing the drum, a developing unit containing the roller and being movable so the roller contacts and is spaced from the drum, and a first force receiver receiving a force from a main-assembly first force applier by movement of a door from open to closed positions when mounting the cartridge and a second force receiver movable from a stand-by position by movement of the first force receiver by a force received from the first force applier. The second force receiver takes a projected position receiving a force from the second force applier to move the developing unit so the roller moves out of contact with the drum, the projected position being higher than the stand-by position.

9. 发明申请

US20160357145A1 IMAGE FORMING APPARATUS 审中-公开
标题翻译：图像形成装置
公开(公告)号：US20160357145A1
公开(公告)日：2016-12-08
申请号：US15173400
申请日：2016-06-03
申请人： CANON KABUSHIKI KAISHA
发明人： Akira Yoshimura , Tomoya Kuruma , Akimichi Suzuki , Satoshi Nishida , Kazuhiro Doda , Isamu Takeda , Takanori Mitani
IPC分类号： G03G15/00
CPC分类号： G03G21/206 , G03G15/2053 , G03G15/6552 , G03G15/6573 , G03G2215/2035
摘要： An image forming apparatus includes pair of ejection rollers that are used for ejecting a recording material to a stacking unit from a main body of the image forming apparatus and a cooling unit. The cooling unit includes, air-blowing ports that are used for blowing air onto the recording material in a direction crossing a transport direction of the recording material are positioned in a region that is located above the position of a nip portion of the pair of ejection rollers and below an extension line tangent to the nip portion of the pair of ejection rollers.
摘要翻译：图像形成装置包括一对排出辊，其用于从图像形成装置的主体和冷却单元将记录材料喷射到堆叠单元。冷却单元包括用于沿与记录材料的输送方向交叉的方向将空气吹送到记录材料上的空气喷射口位于位于该对喷射口的夹持部位的上方的区域中并且与一对排出辊的夹持部分相切的延伸线下方。

10. 发明申请

US20160041521A1 PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS 审中-公开
标题翻译：过程盒和电子图像形成装置
公开(公告)号：US20160041521A1
公开(公告)日：2016-02-11
申请号：US14825464
申请日：2015-08-13
申请人： CANON KABUSHIKI KAISHA
发明人： Hideki Maeshima , Kazunari Murayama , Akira Yoshimura
IPC分类号： G03G21/18
CPC分类号： G03G21/1842 , G03G21/18 , G03G21/1825 , G03G21/1839
摘要： A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes an electrophotographic photosensitive drum; developing roller for developing an electrostatic latent image formed on the electrophotographic photosensitive drum; drum frame supporting the electrophotographic photosensitive drum; a developing frame supporting the developing roller, the developing roller being movable relative to the drum frame between a contacting position in which the developing roller is in contact with the electrophotographic photosensitive drum and a spacing position in which the developing roller is spaced from the electrophotographic photosensitive drum; a force receiving member, provided movably relative to the developing frame, for receiving an external force, wherein the force receiving member is capable of taking an operating position for moving the developing frame from the contacting position to the spacing position by receiving the external force, and a stand-by position retracted from the operating position; an urging portion for urging the force receiving member from the stand-by position toward the operating position; and an engaging portion for engaging with the force receiving member to hold the force receiving member in the stand-by position against an urging force of the urging portion. force of the urging portion.
摘要翻译：可拆卸地安装到电子照相图像形成装置的主组件的处理盒包括电子照相感光鼓; 用于显影形成在电子照相感光鼓上的静电潜像的显影辊; 鼓架支撑电子照相感光鼓; 支撑显影辊的显影框架，所述显影辊可相对于所述鼓框架在与所述电子照相感光鼓接触的接触位置与所述显影辊与所述电子照相感光鼓隔开的间隔位置之间移动鼓; 力接收构件，其相对于显影框架可移动地设置，用于接受外力，其中力接收构件能够通过接收外力而采取将显影框架从接触位置移动到间隔位置的操作位置，以及从所述操作位置缩回的待机位置; 用于将力接收构件从待机位置朝向操作位置推动的推动部分; 以及用于与受力部件接合以克服施力部分的推动力将受力部件保持在备用位置的接合部分。推动部分的力。

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