The present invention relates to a pulley (1) for a bicycle rear derailleur (100), the pulley (1) carrying 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), wherein each cushioning ring (4) comprises, at least on its side facing the roller chain (3), a groove extending along its entire perimeter length, which groove, as seen in a cross-sectional view through the cushioning ring (4), is a recess (9) flanked by two protrusions (8), wherein the protrusions (8) are adapted and orientated to come in contact with outer and inner link plates, respectively, of a roller chain (3 ) running over the pulley (1).
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 |