| 摘要 |
A developing cartridge for developing a latent image formed on the photosensitive member, wherein the developing cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus, the developing cartridge includes a cartridge frame; developing means for developing, with toner, the latent image formed on the photosensitive member of the main assembly of the apparatus, when mounted to the main assembly of the electrophotographic image forming apparatus; a first projected portion projected from a frame portion of the cartridge adjacent one longitudinal end of the developing means, wherein the first projected portion is supported by a first supporting member provided in the main assembly, when the cartridge is mounted to the main assembly of the electrophotographic image forming apparatus; a second projected portion projected from the frame portion adjacent the other longitudinal end of the developing means, wherein the second projected portion is supported by a second supporting member provided in the main assembly, when the cartridge is mounted to the main assembly of the electrophotographic image forming apparatus; a driving force receptor member for receiving, from the main assembly of the device, driving force for rotating the developing means, when the cartridge is mounted to the main assembly, wherein the driving force receptor member is exposed from the frame portion adjacent the one end; and a guide, provided in the cartridge frame for guiding the developing cartridge toward a mounting position when the cartridge is mounted to the main assembly. <IMAGE> <IMAGE> |
