Patent ID: 7792460

Claim:
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, said process cartridge comprising: an electrophotographic photosensitive drum; process means actable on said electrophotographic photosensitive drum; a cartridge positioning portion configured and positioned to engage a main assembly positioning portion provided in the main assembly of the apparatus to position said process cartridge with respect to a direction of the axis of said electrophotographic photosensitive drum, when said process cartridge is mounted to the main assembly of the apparatus in a direction parallel with the axis of said photosensitive drum; and a member to be urged provided at a downstream portion of said process cartridge with respect to a mounting direction in which said process cartridge is mounted to the main assembly of the apparatus, said member to be urged including a first portion to be urged configured and positioned to contact a movable urging member provided in the main assembly of the apparatus to move the movable urging member in the downstream direction with respect to the mounting direction in the process of mounting of said process cartridge to the main assembly of the apparatus, and a second portion to be urged configured and positioned to contact the movable urging member to receive a force in the direction of the axis so as to contact said cartridge positioning portion to the main assembly positioning portion to position said process cartridge in the direction of the axis, when said process cartridge is mounted to the main assembly of the apparatus, wherein said member to be urged has an engaging portion configured and positioned to engage the movable urging member for moving the movable urging member in the upstream direction with respect to the mounting direction when said process cartridge is demounted from the main assembly of the apparatus.