| 摘要 |
FIELD: transport.SUBSTANCE: invention relates to drives of bicycles with foot pedals reciprocation. Proposed drive comprises drive sprocket, chain gearing with crank, drive sprocket , slider (pedal) with guide and con-rod. In straight stroke of slider-pedal crank turn angle exceeding 180 degrees. In reciprocation and at whatever opposite positions of pedals-sliders of depression of one of them drives the bicycle while zone of transition from one slider-pedal to another makes the zone of their combined operation.EFFECT: expanded operating performances.3 dwg |
