| 摘要 |
An apparatus for changing the leverage of a bicycle pedal (5/41) by telescoping the pedal (5/41) on the pedal arm (13/51) during rotation of the pedal arm (13/51) and pedal guide (1/39) around the pedal axis; the apparatus comprising a pedal guide (1/39) which includes a lead bolt (7/45) and has the pedal (5/41) attached thereto, a pedal arm (13/51), a cam plate (31/33) a cam ring (32/34), a ring bearing (127/129), a pedal axle (19), a sprocket (97), and a spindle housing (12). The lead bolt (7/45) of the pedal guide (1/39) rotatably attaches to the cam ring (32/34) which peripherally encloses the ring bearing (127/129). The ring bearing (127/129) is peripherally located around the pedal arm (13/51) and pedal guide (1/39) rotate, the cam ring (32/34) and cam plate (31/33) control the telescoping motion of the pedal (5/41) and pedal guide (1/39) by controlling the movement of the lead bolt (7/45) of the pedal guide (1/39). The pedal guide (1/39) slides on the pedal arm (13/51). The sprocket (97) is fixedly connected to the pedal axle (19). |
