Patent ID: 6922536

Claim:
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, comprising: an electrophotographic photosensitive drum; process means actable on said electrophotographic photosensitive drum; an electroconductive shaft member supporting said photosensitive drum and electrically connected with said photosensitive drum; a cartridge frame for rotatably supporting said photosensitive drum; a grounding contact member mounted on said cartridge frame, said grounding contact member including a sliding contact for sliding contact with said electroconductive shaft member and a fixed contact contacted to an urging member provided in the main assembly of the image forming apparatus; and a cartridge positioning member for positioning an axis of said photosensitive drum, wherein said cartridge positioning member is urged to a positioning portion of the main assembly of the image forming apparatus by said fixed contact being urged by said urging member when said process cartridge is mounted to the main assembly of the image forming apparatus, wherein by said fixed contact being contacted and urged by said urging member said photosensitive drum is electrically grounded, and said cartridge positioning member is positioned relative to the positioning portion.