Patent ID: 6016412
Filing Date: 2000-01-18
Classification: G03G

Abstract:
A process cartridge detachably mountable to a main assembly of an image forming apparatus, comprising:an electrophotographic photosensitive member;process means actable on said photosensitive member;a cartridge frame;a first projection for positioning said process cartridge relative to the main assembly when the process cartridge is mounted to the main assembly, said first projection being outwardly projected from a first frame portion of said cartridge frame adjacent an axial end of said photosensitive member;a second projection for positioning said process cartridge relative to the main assembly when the process cartridge is mounted to the main assembly, said second projection being outwardly projected from a second frame portion of said cartridge frame adjacent another axial end of said photosensitive member;a confining contact portion, in said cartridge frame, for contacting a first fixed portion of the main assembly and cooperating with said first projection and said second projection to correctly position said process cartridge relative to the main assembly, when said process cartridge is mounted to the main assembly; anda releasing contact portion, in said cartridge frame, for contacting a second fixed portion of the main assembly to provide a pivot of rotation of said process cartridge, when said process cartridge is demounted from the main assembly.