Patent ID: 7811207

Claim:
A variable motion exercise apparatus, comprising: a) a frame designed to rest upon a floor surface; b) a left crank and a right crank, wherein each said crank is mounted on a respective side of said frame and rotatable about a common crank axis; c) a left rocker link and a right rocker link, wherein each said rocker link is mounted on a respective side of said frame and rotatable about a common pivot axis; d) a left foot support linkage and a right foot support linkage, wherein each said foot support linkage is movably connected between a respective rocker link and a respective crank; e) a left drawbar linkage and a right drawbar linkage, wherein said drawbar linkage is movably connected between a respective rocker link and a respective crank in such a manner that a foot supporting portion of each said foot supporting linkage is constrained to move through a generally elliptical path as a respective crank rotates, and each said drawbar linkage is selectively movable relative to a respective rocker link to alter a respective generally elliptical path; f) wherein said drawbar linkage includes a first link and a second link which are pivotally connected to one another, and an opposite end of each said first link is rotatably connected to a respective crank and an opposite end of each said second link is pivotally connected to a respective rocker link; and g) wherein each said rocker link includes a roller mounted on a respective roller shaft, and wherein said rollers are in engaging contact with a linear race formed in each of said second link.