Self-propelled vehicle propelled by an elliptical drive train with improved stride length
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United States of America Patent
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Apr 24, 2012
Grant Date -
Sep 8, 2011
app pub date -
May 17, 2011
filing date -
Nov 21, 2006
priority date (Note) -
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Abstract
An apparatus including a frame with a pivot axis defined thereupon, a crank arm bearing at the pivot axis; a first and a second crank arm coupled to the crank arm bearing; at least two wheels coupled to the frame, at least one of which is a drive wheel; a first and a second foot link, operably coupled to drive wheel to transfer power to said drive wheel so as to propel the apparatus, each foot link including a foot receiving portion for receiving a user's foot, a first end coupled to the frame, and a second end coupled to a respective one of the first and the second crank arms, wherein the foot receiving portion is movable along a generally elliptical path having a stride length greater than 17 inches.
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