Patent ID: 7559879
Filing Date: 2009-07-14
Classification: A63B,G06F

Abstract:
1. An exercise apparatus comprising: a frame; a pivot axle supported by said frame; a pedal lever including a first, a central and a second portion; a pedal. secured to said central portion of said pedal lever; a reciprocating guide mechanism coupled to said first portion of said pedal lever effective to guide said first portion of said pedal lever in a generally horizontal reciprocating motion; a crank rotationally connected to said pivot axle at a first end of said crank and adapted to support said second portion of said pedal lever at second end of said crank; an attachment assembly effective to connect a second end of said crank to said second portion of said pedal lever effective to maintain a predetermined distance between said second end of said crank and said second portion of said pedal lever such that said pedal moves in a generally elliptical path having a substantially greater horizontal portion than a vertical portion; and a stride adjustment mechanism, operatively associated with said attachment assembly effective to selectively alter said predetermined distance thereby being effective to change said horizontal portion of said elliptical path to a substantially greater extent than said vertical portion of said elliptical path wherein said stride adjustment mechanism includes a control link assembly having a first and second driven timing pulley joined by a connection member and connected by a flexible member.