The invention belongs to the field of traffic vehicles, relates to a pedal unit without dead angles and solves the dead angle problem of the conventional bicycle pedals. The pedal unit is composed of a chain wheel, a crank, a spring, a shaft sleeve and two pedals. The chain wheel is arranged on one side, on a bicycle, of the crank. Two ends of the crank are provided with the pedals opposite on the same line. The shaft sleeve is arranged in the middle of the crank. One end of the spring is connected to the outside of the shaft sleeve, and the other end of the spring is fixed on the bicycle. Under tension of the horizontal spring, the pedals are in the same plane. During riding, the pedals are stepped downward, and no deal angles occur to the stepping direction, thus labor is saved for the user.
Pedal unit without dead angles
29.04.2015
Patent
Elektronische Ressource
Englisch
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |