Patent ID: 6820517
Filing Date: 2004-11-23
Classification: A63B,Y10T

Abstract:
A pedal crank assembly for use with an exercise machine including a shaft, comprising:a cam secured to the exercise machine and including a channel therein; said cam including a hole wherein the shaft extends through said hole; a hub fixed to said shaft and capable of rotation therewith; an arm; a cam follower operable with said arm to engage said channel and travel therein: at least one rod having a length extending between said arm and said hub wherein the distance between said hub and said arm can be varied by said length of said at least one rod; said at least one rod including a first end and a second end; said first end of said at least one rod being fixed in said arm; said hub including at least one channel extending therethrough; said second end of said at least one rod extending through said at least one channel in said hub such that said length of said at least one rod is capable of reciprocating within said at least one channel of said hub.