A wheeled vehicle incorporating a frame; a drive shaft mounted upon the frame, the drive shaft having rotary power input and output ends; a drive wheel mounted upon the frame; a rotary power output linkage operatively interconnecting the drive shaft's output end and the drive wheel; rotary power pedals mounted upon the frame; a rotary power input linkage operatively interconnecting the drive shaft's input end and the rotary power pedals; a spiral spring having a rotary power input end and a rotary power output end, the spiral spring being mounted over the drive shaft; a clutch and one way bearing combination for anchoring the spiral spring's rotary power input end upon the drive shaft and upon the frame; and a one way bearing and brake combination for alternatively anchoring the spiral spring's rotary power output end upon the drive shaft and upon the frame.
Pedal powered vehicle
29.09.2020
Patent
Elektronische Ressource
Englisch
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Europäisches Patentamt | 2024
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