Patent ID: 6549738
Filing Date: 2003-04-15
Classification: G03G

Abstract:
An image forming cartridge, comprising:a cartridge case; a photoreceptor drum disposed in said cartridge case and being removably attachable to an image forming apparatus through said cartridge case; an electrically conductive axial member disposed on a rotation center axis of said photoreceptor drum and being supported by said cartridge case; an electrically conductive drum supporting member placed on said axial member so as to be rotatable and movable, and supporting said photoreceptor drum on said axial member so that said photoreceptor drum is rotatable; an electrically conductive collar placed on a circumferential face of said axial member and near said drum supporting member so as to be rotatable and movable; a thrust supplying unit that applies thrust to said drum supporting member, so that said drum supporting member presses on and contacts said collar; and a stopper that prevents said collar from moving on said axial member when said collar is pressed by said drum supporting member.