US Patent 9772598 Cartridge and electrophotographic image forming apparatus

A cartridge for a main assembly of an electrophotographic image forming apparatus. The cartridge includes a rotatable driven coupling member including a driving force receiving portion for receiving a driving force and a driven side abutment to be abutted by a driving side abutment. The coupling member is slidable in a predetermined direction that is substantially parallel to a rotational axis of the coupling member.