Patent ID: 6811518
Filing Date: 2004-11-02
Classification: A63B

Abstract:
A treadmill comprising:a seat, a handle device disposed on said seat, a tread base disposed above said seat, and rotatable between a downward working position and an upward folding position, power driving means for moving said tread base between said downward working position and said upward folding position, said power driving means including a pair of arms having a first end pivotally secured to said tread base and a second end slidably secured to said seat, a pair of levers having a first end pivotally secured to a front portion of said tread base and a second end pivotally secured to said seat, said power driving means including a pair of bars pivotally secured between said seat and said levers respectively, each of said bars including a first end pivotally secured to said seat, and a second end having an oblong hole formed therein, each of said levers including a middle portion having a stud secured thereto and slidably engaged in said oblong holes of said bars respectively, a switch button for actuating said power driving means to move said tread base, a safety switch for actuating said power driving means to move said tread base only when both said switch button and said safety switch are depressed simultaneously, and a switch attached to said second end of said bar, said stud being engageable with said switch in order to stop said power driving means.