Fitzpatrick, Cella, Harper & Scinto
Roller and method of manufacturing the roller
 The present invention enables a roller in which a radially outwardly protruding flange-like portion is formed on the outer peripheral portion of a roller body portion made of hard synthetic resin and presenting a substantially disc-like shape. 
Canon Kabushiki Kaisha Nifco Inc.
B F
B65G F16C
inventional inventional
Haruyuki Isao Masaya Kenji
Yanagi Inoue Shinmachi Yoshida