Patent ID: 8442416

Claim:
A process cartridge comprising: (i) a photosensitive drum; (ii) 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; (iii) a coupling member provided adjacent to one axial end of said developing roller, said coupling member including: (iii-i) a driven portion provided adjacent to the one axial end of said developing roller; (iii-ii) 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 (iii-iii) a driving portion configured and positioned (a) to receive a driving force for rotating said developing roller, (b) to engage with said intermediary portion, and (c) to be movable relative to said intermediary portion in a direction crossing the axis of said developing roller, which is different from the direction of the movement of said intermediary portion, while maintaining engagement with said intermediary portion; and (iv) a retaining portion configured and positioned to retain an axis of said driving portion in a position that is deviated from the axis of said developing roller in a direction crossing the axis of said developing roller.