Patent ID: 6405004
Filing Date: 2002-06-11
Classification: G03G

Abstract:
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, comprising:an electrophotographic photosensitive member; a developing member for developing an electrostatic latent image formed on said electrophotographic photosensitive member; a developer accommodating portion for accommodating a developer to be used by said developing member to develop said electrostatic latent image; a cartridge guide for being guided by a main assembly side guide provided in the main assembly of the apparatus, when said process cartridge is mounted to the main assembly of said apparatus; a first cartridge positioning portion, provided at one end portion in an axial direction of said electrophotographic photosensitive member, for engagement with a first main assembly side positioning portion, provided in the main assembly of the apparatus, in response to falling of a side of said process cartridge opposite from a side having said developer accommodating portion in a direction crossing with the axial direction of said electrophotographic photosensitive member by operation of a lever provided in the main assembly of the apparatus; and a second cartridge positioning portion, provided at the other end portion in an axial direction of said electrophotographic photosensitive member, for engagement with a second main assembly side positioning portion, provided in the main assembly of the apparatus, in response to falling of a side of said process cartridge opposite from a side having said developer accommodating portion in a direction crossing with the axial direction of said electrophotographic photosensitive member by operation of a lever provided in the main assembly of the apparatus.