The invention relates to a bicycle crankset intended for conventional bicycle riding, or abdominal muscle strengthening exercises.The crankset is provided with two arms mounted on opposite sides of the support, and inside one of the arms (2) or (2'), near the support (16), there is a cylindrical socket (6) for the bolt (9) ended on one side with a pin (3) coupled with a socket (4) or (4') provided in a non-rotating sleeve (1), around which the arm (2) or (2') rotates to the right or left by any angle from 0° to 360°, and on the other side of the bolt (9), there is a flange (11) in contact with the arm (12) of the two-arm lever (8) pivotally mounted on the axle (7), with the compression spring (5) placed inside the cylindrical socket (6).
LOCKING ARRANGEMENT OF BICYCLE CRANKSET
VERRIEGELUNGSANORDNUNG VON FAHRRADKURBELSÄTZE
DISPOSITIF DE VERROUILLAGE POUR UN PÉDALIER DE BICYCLETTE
2024-01-31
Patent
Electronic Resource
English
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |