发明名称 IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
摘要 An image forming apparatus includes a mounting portion for mounting a process cartridge, the process cartridge including a first unit having an image bearing drum, and a second unit having a developing roller, the second unit being movable between a contact position in which the roller contacts the drum and a spaced position in which they are mutually spaced; an engageable member engageable with a force receiving portion provided on the second unit; wherein the engageable member is movable between a first position for maintaining the second unit in the spaced position by engaging with the force receiving portion, a second position for permitting movement of the second unit from the spaced position to the contact position; and a third position for permitting the process cartridge to be mounted, by being pressed by the process cartridge to retract, when the process cartridge is mounted to the mounting portion.
申请公布号 US2015227110(A1) 申请公布日期 2015.08.13
申请号 US201314421269 申请日期 2013.09.06
申请人 CANON KABUSHIKI KAISHA 发明人 Yoshimura Akira;Noguchi Tomio;Kubo Yukio;Sato Masaaki;Nishiya Satoshi;Kashiide Yosuke
分类号 G03G21/18 主分类号 G03G21/18
代理机构 代理人
主权项 1. An image forming apparatus for forming an image on a recording material, said image forming apparatus comprising: a mounting portion for detachable mounting a process cartridge, said process cartridge including a first unit having an image bearing member, and a second unit having a developer carrying member, said second unit being movable between a contact position in which said developer carrying member contacts said image bearing member and a spaced position in which said developer carrying member is spaced from said image bearing member; an engageable member engageable with a force receiving portion provided on said second unit, wherein said engageable member is movable between a first position for maintaining said second unit in the spaced position by engaging with said force receiving portion, a second position for permitting movement of said second unit from the spaced position to the contact position in image forming operation; and a third position for permitting said process cartridge to be mounted, by being pressed by said process cartridge to retract, when said process cartridge is mounted to said mounting-portion.
地址 Tokyo JP