Patent ID: 6432026
Filing Date: 2002-08-13
Classification: A63B

Abstract:
A height adjusting mechanism for a treadmill having a treadmill frame including a hand rest, and a running frame having a driven endless running belt thereon, the adjusting mechanism comprising:a) a motor mounted on the running frame and a rotating worm shaft extending exteriorly of the motor, b) a gearbox located on the running frame, the gearbox having a polygonal output shaft extending from two sides of the gearbox, the gearbox driven by the worm shaft of the motor; and, c) a supporting rod directly connected solely to each polygonal output shaft so as to move with the associated polygonal output shaft, each supporting rod having a rolling wheel on a distal end thereof, whereby rotation of the polygonal output shafts moves the supporting rods to thereby adjust a height of the running frame.