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Human powered vehicle

  • US 4,976,451 A
  • Filed: 08/24/1988
  • Issued: 12/11/1990
  • Est. Priority Date: 08/24/1988
  • Status: Expired due to Fees
First Claim
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1. A human-powered vehicle comprising a frame, a front steerable wheel mounted to a forward portion of said frame, at least one drivable rear wheel mounted to a rearward portion of said frame,an operator board attached to an upper portion of said frame,a first one-way freewheel operatively attached to said rear wheel,a first two-way freewheel attached to said frame,a continuous chain connecting and encircling said first one-way freewheel and said first two-way freewheel, forming a upper and a lower portion,a pedal assembly comprising pedals and a bar holding said pedals,a second one-way freewheel connecting said bar to said upper chain portion,a third one-way freewheel connecting said bar to said lower chain portion,wherein a forward motion of said pedal assembly propels the upper portion of the chain forward through said second one-way freewheel thereby driving the rear wheeland a rearward motion of said pedal assembly propels the lower portion of said chain rearward through said third one-way freewheel thereby driving the rear wheel.

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