The present invention relates to a toothed pulley (1) for a bicycle rear derailleur. The pulley (1) carries on each of its side faces a cushioning ring (4) made of an elastically deformable material and adapted to come in contact with link plates of a roller chain (3) running over the pulley (1). The pulley (1) includes a number of spaced supports (5) formed laterally to the pulley (1) and projecting in the axial direction of the pulley (1) for supporting each cushioning ring (4), wherein the number of spaced supports (5) is equal to the number of teeth (2) of the pulley (1), wherein each support (5) is angularly aligned with a respective tooth (2) of the pulley (1), and wherein the cushioning ring (4) extends, in an unloaded state, free-floating in a straight line between every two adjacent supports (5).
PULLEY FOR A REAR DERAILLEUR OF A BICYCLE
RIEMENSCHEIBE FÜR EINE KETTENSCHALTUNG EINES FAHRRADS
POULIE POUR UN DÉRAILLEUR ARRIÈRE DE BICYCLETTE
2023-01-18
Patent
Electronic Resource
English
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |