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Mechanical torque multiplier and evener mechanism

  • US 8,783,703 B2
  • Filed: 10/31/2012
  • Issued: 07/22/2014
  • Est. Priority Date: 10/31/2011
  • Status: Active Grant
First Claim
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1. A mechanical force multiplier for use in a manually powered vehicle and configured to be mounted to a vehicle frame, comprising:

  • a first member pivotally connected to a first point on the vehicle frame;

    a second member pivotally connected to a second point on the vehicle frame, wherein the second member is longer than the first member;

    a force receiving member operatively connected to the second member and configured to receive a force from an operator positioned on the vehicle frame; and

    a rigid section having a first end and a second end, the first end pivotally connected to each of the first and second members, wherein as the force from the operator is applied to the force receiving member, the second end of the rigid section travels in an arcuate path.

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