发明名称 Process cartridge, developing device and image forming apparatus
摘要 A process cartridge for an image forming apparatus includes a first frame supporting the photosensitive drum; a developing roller; a process member actable on the developing roller; a second frame supporting the developing roller and the process member, the second frame being movable between a contact position where the developing roller contacts the drum and a spacing position where the developing roller is spaced from the drum; a developing device contact; and a process member contact, wherein when the second frame is moved between the contact position and the spacing position, a movement path of the developing device contact overlaps a movement path of process member contact, as seen along the axial direction.
申请公布号 US8983335(B2) 申请公布日期 2015.03.17
申请号 US201313804556 申请日期 2013.03.14
申请人 Canon Kabushiki Kaisha 发明人 Yamashita Masatoshi;Fukui Yuichi
分类号 G03G21/18 主分类号 G03G21/18
代理机构 Fitzpatrick, Cella, Harper & Scinto 代理人 Fitzpatrick, Cella, Harper & Scinto
主权项 1. A process cartridge detachably mountable to a main assembly of an image forming apparatus, said process cartridge comprising: an electrophotographic photosensitive member; a first frame supporting said electrophotographic photosensitive member; a developing roller for developing, with a developer, an electrostatic latent image formed on said electrophotographic photosensitive member; a process member actable on said developing roller; a second frame supporting said developing roller and said process member, said second frame being movable relative to said first frame between a contact position where said developing roller contacts said electrophotographic photosensitive member and a spacing position where said developing roller is spaced from said electrophotographic photosensitive member; a developing device contact which is provided at one end portion side of said second frame with respect to an axial direction of said developing roller and which is electrically connected with said developing roller, wherein said developing device contact is contacted to a first main assembly contact provided in the main assembly of the image forming apparatus when said process cartridge is mounted to the main assembly of the image forming apparatus; and a process member contact which is provided at one end portion side of said second frame with respect to the axial direction of said developing roller and which is electrically connected with said process member, wherein said process member contact is contacted to a second main assembly contact provided in the main assembly of the image forming apparatus when said process cartridge is mounted to the main assembly of the image forming apparatus, wherein, when said second frame is moved between the contact position and the spacing position, a movement path along which said developing device contact moves overlaps a movement path along which said process member contact moves, as said developing device contact and said process member contact are seen along the axial direction.
地址 Tokyo JP