Patent ID: 6494814
Filing Date: 2002-12-17
Classification: A63B

Abstract:
A folding mechanism for an exercise treadmill comprising a U-shaped handrail, two supporting arms, a frame, a front support, a motorized assembly and a rear treading plate;wherein the improvement is characterized by: said frame having a platform the front and rear ends of which are fitted with a front and rear rollers between which a treadmill walking belt circles, said rear roller of said frame being positioned on horizontal parts of said supporting arms by means of a first pivot; said motorized assembly having a motor, a belt, a driven wheel and a protection cover, said motor being fixed behind said horizontal parts of said supporting arms by means of a fastening member, said belt extending between a power output shaft and said driven wheel while said rear roller is driven by said driven wheel for a rotational movement of said treadmill walking belt; and each end of said U-shaped handrail being provided with a rope wheel whose shaft is pivotably mounted on said extension part at the top of each of said supporting arms; a strong rope being thereafter fixed at one side of said rope wheel and pulled downward to said bottom of said frame so that, when said U-shaped handrail is raised and turned around said shaft, said rope wheel is also rotated to pull said strong rope upward while said frame is raised up to the top by means that said rear roller is turned around said first pivot.