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Cross training exercise device

  • US 7,731,635 B2
  • Filed: 01/30/2006
  • Issued: 06/08/2010
  • Est. Priority Date: 01/30/2006
  • Status: Expired due to Fees
First Claim
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1. An exercise device comprising:

  • a frame;

    a pair of foot supports including a first foot support and a second foot support;

    at least one four-bar linkage assembly coupled to the frame;

    the at least one linkage assembly coupled to at least one of the foot supports, the at least one four-bar linkage assembly directing the foot support in a generally elliptical motion while in use, the generally elliptical motion defining a major dimension that extends at an angle from horizontal that is within the range of about thirty degrees (30°

    ) to about seventy-five degrees (75°

    )and the major dimension having a length that is within the range of about 10 inches to about 18 inches;

    a lift mechanism coupled to the at least one four bar linkage assembly that is configured to alter the angle, and the length, of the major dimension of the generally elliptical motion to adjustably alter the shape of the elliptical path of the foot supports; and

    a positioning link provided as part of the at least one four bar linkage assembly, wherein the positioning link is pivotally coupled to the frame and operably coupled to the lift mechanism, wherein the four-bar linkage assembly comprises a main crank arm;

    a secondary crank arm; and

    a foot link, wherein the foot link is pivotally connected to the first foot support, and where the foot link is pivotally connected to the main and secondary crank arms, wherein the first foot support is cantilevered from the foot link.

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