Patent ID: 7789807

Claim:
A treadmill comprising a drive motor unit installed at one side of a base frame of the treadmill, a continuous moving belt adapted to support a user being driven in rotation by use of a drive belt, a front roller and a rear roller a folding mechanism having, a lifting motor being employed to control the height of an adjusting support for adjusting a supporting angle of the base frame relative to a support surface such that the moving belt can be inclined, a mounting pin being positioned at each of two sides of the base frame for pivotally connecting a handrail unit and a rear support frame to the base frame, wherein a pneumatic cylinder is installed at one end thereof at each of two sides of a central strengthening rod of the base frame, and the other end of the pneumatic cylinders are directly pushed against corresponding lateral portions of the rear support frame, and the distal end of the rear support frame is provided with universal ground-touching rollers that are in constant contact with the ground; and wherein a locking mechanism is positioned under a strengthening member at the distal end of the base frame, and a barbed hook positioned at the rear support frame may be locked by the locking mechanism when the base frame is moved in a horizontal operation position, wherein a release lever is positioned at one end of the locking mechanism while a hook portion is disposed at the other end thereof such that a user can actuate the release lever to unhook the hook portion from the barbed hook to allow for the treadmill to be folded.