Patent ID: 6689020
Filing Date: 2004-02-10
Classification: A63B

Abstract:
An exercise apparatus, comprising:a frame having a base that is configured to rest upon a floor surface; a left first crank and a right first crank, wherein each said first crank is rotatably mounted on the frame; a left second crank and a right second crank, wherein each said second crank is rotatably mounted on the frame; a left foot support and a right foot support; a left connecting means for rollably connecting the left foot support to each said left crank; a right connecting means for rollably connecting the right foot support to each said right crank; a left rocker link and a right rocker link, wherein each said rocker link is pivotally mounted on the frame and operatively connected to a respective foot support; a left drawbar link having a first portion connected to the left rocker link, and a second portion constrained to rotate together with each said left crank, wherein the left drawbar link and the left rocker link cooperate to link rotation of each said left crank to horizontal movement of the left foot support relative to the left connecting means; and a right drawbar link having a first portion connected to the right rocker link, and a second portion constrained to rotate together with each said right crank, wherein the right drawbar link and the right rocker link cooperate to link rotation of each said right crank to horizontal movement of the right foot support relative to the right connecting means.