Patent ID: 7691035

Claim:
An elliptical exercise machine comprising: a base, a frame including a first end pivotally attached to said base with a spindle for allowing said frame to be pivoted and moved relative to said base, and including a second end for moving up and down relative to said base, said frame including two tracks, a hand grip attached to said frame; a pivotal coupling device pivotally coupling said base and said frame together, a retractable device including an outer tube pivotally coupled to said base, and including an inner shaft slidably engaged in said outer tube and having a free end pivotally coupled to said pivotal coupling device for allowing said inner shaft to be moved into said outer tube when said frame is pivoted downwardly toward said base, and for allowing said inner shaft to be moved out of said outer tube when said frame is pivoted upwardly away from said base, and a latching device for latching said inner shaft to said outer tube at a selected position; wherein a wheel is rotatably attached to said base and includes an outer peripheral portion, and a pair of arms each include a front portion pivotally coupled to said outer peripheral portion of said wheel and each include a rear portion slidably engaged with said tracks of said frame; wherein a foot pedal is pivotally coupled to each of said arms with a pivot pole; whereby the inclination of the frame can be changed by unlatching the latching device and pulling on said hand grip.