Patent ID: 8433219
Filing Date: 2013-04-30
Classification: G03G

Abstract:
1. A cartridge comprising: a developing roller rotatable about an axis thereof; a coupling member for receiving a rotational force for rotating said developing roller; a cylindrical member movably supporting one end portion of said coupling member inside of said cylindrical member; a cylindrical member side force receiving portion, provided inside said cylindrical member, for receiving the rotational force received by said coupling member; a first regulating portion, provided inside of said cylindrical member, for preventing one end portion of said coupling member from disengaging in an axial direction of said cylindrical member, wherein said first regulating portion is deformable outwardly in a radial direction of said cylindrical member to allow said one end portion of said coupling member to disengage in the axial direction of said cylindrical member; and a second regulating portion for regulating deformation of said first regulating portion outward of said cylindrical member in the radial direction in a state in which one end portion of said coupling member is mounted to the inside of said cylindrical member.