Patent ID: 8301054
Filing Date: 2012-10-30
Classification: G03G

Abstract:
1. A cartridge detachably mountable to a main assembly of an image forming apparatus, said cartridge comprising: a cylindrical member; a cylindrical member driving force receiving portion for receiving a driving force, from the main assembly, for driving said cylindrical member; a memory for communicating with a controller provided in the main assembly; a first electrical contact for supplying a voltage for image formation; a second electrical contact for supplying a voltage for image formation; a third electrical contact electrically connected with said memory; and a housing member housing said cylindrical member, wherein all of said first electrical contact, said second electrical contact, and said third electrical contact are provided on said housing member, wherein said cylindrical member driving force receiving portion is disposed on one side of said cartridge, said first electrical contact is disposed on the other side of said cartridge with respect to the longitudinal direction of said cartridge, and said second electrical contact and third electrical contact are disposed at a position closer to said first electrical contact than said cylindrical member driving force receiving portion in the longitudinal direction, and wherein said first electrical contact and said second electrical contact are provided on the same side surface of said housing member, and said third electrical contact is provided on another side surface.