Patent ID: 8467702

Claim:
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus that includes a drum coupling member a development coupling member, and a contacting member, said process cartridge comprising: (i) a photosensitive drum; (ii) a drum coupling portion provided adjacent to one axial end of said photosensitive drum, configured and positioned to engage with the drum coupling member to receive a driving force for rotating said photosensitive drum; (iii) a developing roller configured and positioned (a) to develop an electrostatic latent image formed on said photosensitive drum and (b) to be rotatable about an axis thereof; (iv) a development coupling portion provided adjacent to one axial end of said developing roller, said development coupling portion including: (A) a driven portion provided adjacent to the one axial end of said developing roller; (B) an intermediary portion configured and positioned (a) to engage with said driven portion and (b) to be movable relative to said driven portion in a direction crossing the axis of said developing roller while maintaining engagement with said driven portion; and (C) a driving portion configured and positioned (a) to engage with the development coupling member, (b) to engage with said intermediary portion, and (c) to be movable relative to said intermediary portion in a direction which crosses the axis of said developing roller and which is different from the direction of movement of said intermediary portion while maintaining engagement with said intermediary portion; (v) a holding portion configured and positioned (a) to hold said driving portion and (b) to be movable in a direction crossing the axis of said developing roller together with said driving portion; (vi) an urging portion configured and positioned to urge said driving portion through said holding portion in a direction crossing the axis of said developing roller; and (vii) an abutting portion configured and positioned to abut said holding portion which is urged by said urging portion to enable engagement of said driving portion with the development coupling member with insertion of said process cartridge into the main assembly of the apparatus along an axial direction of said developing roller, wherein said holding portion includes a contacting portion configured and positioned to contact the contacting member so that a movement, relative to the contacting member, of said holding portion at the time of a movement of said process cartridge, which has been inserted into the main assembly of the apparatus in a direction crossing the axis of said developing roller to enable engagement of said drum coupling portion with the drum coupling member, is prevented when said driving portion has not established an engagement with the development coupling member.