A driving force receiving member for receiving a driving force from an image forming apparatus includes a driving force receiving portion for receiving the driving force from a driving force applying portion of the image forming apparatus. The driving force receiving portion is movable relative to the...http://www.google.es/patents/US6934494?utm_source=gb-gplus-sharePatente US6934494 - Driving force receiving member and driving mechanism
Driving force receiving member and driving mechanism
