BICYCLE (VERSIONS), BICYCLES WHEELS, BICYCLE DRIVE, BICYCLE LEVER MECHANISM, BICYCLE PEDAL MECHANISM AND SET COMPRISING BICYCLE AND TRAILER Russian patent published in 2009 - IPC B62M3/00 B62M3/08 B62K13/06 B62K27/12 B62K15/00 B60B1/10 

FIELD: transport.

SUBSTANCE: drive sprocket rims are arranged on overrunning coupling. Drive comprises pair of boomerang-like bell cranks, each having pedal arm resting upon opposite ends of carriage shaft and arm that transfers torque. Both aforesaid arms are bent in the plate perpendicular to carriage axis to form boomerang-like shape. Arm that transfers torque is rigidly coupled with similarly bent element intended for transfer of toque to carriage shaft. Overrunning coupling is rigidly coupled with aforesaid elements that transfer torque. Pedal arm of one of the levers and arm that transfers torque are furnished with weights rigidly fixed thereon. Aforesaid drive is designed for bicycles, bicycle-tandems and bicycles with trailers.

EFFECT: optimising pedaling, increased tractive characteristics.

30 cl, 14 dwg, 4 tbl