A bendable crank is bent at a set angle in a set direction according to set rules through a cam mechanism, and changes timely. The purposes of overcoming dead points, saving power during pedaling and shortening the total length of the motion of two legs are realized. A bicycle implementing the design is shown in a picture, and an expected effect is completely achieved through test riding.
Bicycle driving mechanism changed according to set rules
2015-07-15
Patent
Electronic Resource
English
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |