Patent ID: 7435204
Filing Date: 2008-10-14
Classification: A63B

Abstract:
1. An elliptical exercise machine having an adjustable elliptical foot path, comprising: a framework, including a longitudinal base member combined with an upright support, a flywheel disposed in the upright support, a pair of cranks disposed on the flywheel, and at least two parallel rails arranged along the longitudinal base member; a wheel assembly, including two wheel-shafts, each having one end pivotally combined with one end of a respective said the crank and having an opposite end provided with a wheel which is slidably engaged with a respective said rail; a handle-shaft assembly, comprising a pair of handle-shafts disposed at two sides of the upright support wherein each of the handle-shafts has a top portion for being gripped by a hand of a user; a pedal-shaft assembly, comprising two pedal-shafts each having one end coupled with a bottom of a respective said handle-shaft and an opposite end provided with a user foot pedal for said respective pedal-shafts and said wheel-shafts have respective joints interconnected at their non-end locations; wherein each of the wheel-shafts is equipped with an adjusting assembly that is pivotally connected to an end of a respective said pedal-shaft near the pedal and serves to shift a position of said joints of the pedal-shaft and the wheel-shaft along a longitudinal axis of the wheel-shaft; whereby a minor axis of the elliptical exercising track can be changed so as to non-proportionally scale the has been changed to foot path of the elliptical exercise machine and in turn allow the user to exercise in diverse exercise modes for training various muscle systems of the user.