Patent ID: 7223209

Claim:
An elliptical exercise apparatus comprising: a main frame including a base support adapted to be supported on a supporting surface and having front and rear ends, an upstanding support connected to said front end of said base support, and a rail assembly provided on said rear end of said base support; a wheel assembly mounted on said front end of said base support, and including a crank member; a swing rod connected pivotally to said upstanding support and having a bottom section; a slide rod having a rear end slidable forwardly and rearwardly along said rail assembly, and a front end connected pivotally to said crank member; a pedal seat connected pivotally to said slide rod; a pedal member mounted slidably on said pedal seat; and a link unit including a first link rod having a front end connected pivotally to said bottom section of said swing rod and a rear end connected pivotally to said pedal seat, and a second link rod having a front end connected pivotally to said bottom section of said swing rod below said front end of said first link rod and a rear end fixed to said pedal member.