A belt transporter roller for an image forming apparatus according to the present invention has a rotating shaft of an elastic roller; and an elastic fin wound around the rotating shaft and provided along an axial direction thereof, the fin including at least two spiral groups different in...http://www.google.ca/patents/US5784676?utm_source=gb-gplus-sharePatent US5784676 - Roller for belt transporting apparatus and image forming apparatus
Roller for belt transporting apparatus and image forming apparatus
