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Adjustable pedal drive mechanism

  • US 6,699,161 B1
  • Filed: 11/13/2000
  • Issued: 03/02/2004
  • Est. Priority Date: 12/09/1998
  • Status: Expired due to Fees
First Claim
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1. In a pedal driven device having a frame and at least one driven wheel, an adjustable pedal drive mechanism, including:

  • a left and a right pedal arm each having a pivot end;

    each said pedal arm having a reciprocating arcuate travel path about a corresponding said pivot end, comprising a first stroke direction and opposite second stroke direction; and

    means for adjustably positioning said pivot end of each said pedal arm as desired, relative to the frame of the device including;

    a lateral pedal arm plate bushing affixed across the frame;

    a left side and an opposite right side pedal arm plate assembly affixed to one another and pivotally secured to the frame through said pedal arm plate bushing;

    each said plate assembly including a pedal arm attachment point, and a separate bushing attachment point for pivotally securing each said plate assembly to said pedal arm plate bushing of the frame; and

    said pivot end of said left and said right pedal arm being pivotally attached to said pedal arm attachment point respectively of said left and said right plate assembly.

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