BICYCLE (VERSIONS) Russian patent published in 2010 - IPC B62M1/04 F16H25/12 

FIELD: transport.

SUBSTANCE: invention relates to the drive that incorporates reciprocating levers with levers coupler furnished with lever travel limiter. In compliance with first version of said pedal lever coupler assembly (13-22), the latter comprises cord (15) passed through block (16) with its ends articulated with lever peripheral tips (7, 8). Aforesaid assembly incorporates rings (21, 22) are secured on cord (51) to interact with appropriate damping springs that interact with thrust plate (14) jointed with the frame (12). In compliance with second version, said assembly comprises sleeves slots arranged crosswise to interact with the pin arranged on moving ring to allow the sleeves turn through 90°. In compliance with third version, assembly comprises first and second bevel pinions engaged with third bevel pinion that is coupled with two radial limiters interacting with spring-loaded thrust.

EFFECT: higher efficiency.

3 cl, 3 dwg