A bicycle crank assembly has a rotational center axis and comprises a crank member, a sprocket member, a sliding mechanism, a first stopper member, a second stopper member and a damping member. The crank member rotatably is arranged around the rotational center axis. The sprocket member is integrally and rotatably attached to the crank member. The sliding mechanism movably coupling the sprocket member in an axial direction with respect to the crank member. The first stopper member is attached to the crank member. The second stopper member is attached to the sprocket member. The damping member is attached to at least one of the first stopper member and the second stopper member. The damping member is configured to contact the other of the first stopper member and the second stopper member while the sliding mechanism is in operation.
BICYCLE CRANK ASSEMBLY
19.10.2017
Patent
Elektronische Ressource
Englisch
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |