Patent ID: 7340197

Claim:
A process cartridge which is capable of being carried on a movable guide provided in the main assembly of an electrophotographic image forming apparatus and which is movable from a receiving position toward a mount position in interrelation with movement of the movable guide, comprising: an electrophotographic photosensitive drum; process means actable on said electrophotographic photosensitive drum; a cartridge frame supporting said electrophotographic photosensitive drum and said process means; a first portion to be carried, provided at one longitudinal end of said photosensitive drum, configured and positioned to be supported by the movable guide at the receiving position; a second portion to be carried, provided at the other longitudinal end of said photosensitive drum, configured and positioned to be supported by the movable guide at the receiving position; a first positioning portion to be positioned relative to a main assembly of the image forming apparatus, at the mount position, said first positioning portion extending outwardly from said cartridge frame adjacent the one longitudinal end of said photosensitive drum; a second positioning portion to be positioned relative to the main assembly of the image forming apparatus at the mount position, said second positioning portion extending outwardly from said cartridge frame adjacent the other longitudinal end of said photosensitive drum; and an engaging portion provided at a leading end with respect to a direction from the receiving position to the mount position, for engagement with a locking portion which is provided in the main assembly of the image forming apparatus and which is movable in interrelation with the movement of said movable guide, said engaging portion receiving a pulling force in the direction from the receiving position toward the mount position by movement of the locking portion in interrelation with the movement of the movable guide while being in engagement with said engaging portion.