An electric motor assembly including an electric motor and a flywheel assembly. The electric motor includes a rotatable shaft, at least a portion of the shaft being tapered as the shaft extends from the electric motor to an outer end of the shaft, the outer end of the shaft being threaded to receive a securing member. The flywheel assembly, which optionally includes a pulley and/or fan, includes a bore extending through a center of the flywheel assembly, at least a portion of the bore being tape...

The present invention relates to an inclining treadmill having a hood assembly pivotally coupled between the frame and the inclining tread base of the treadmill. The configuration of the pivoting hood assembly allows the inclining tread base to incline to a grade of at least 20 percent. The pivot point of the pivoting hood assembly is positioned distally from the distal end of the tread base. The pivoting hood assembly is positioned at an angle to greater than 40 degrees when the tread base is a...

An exercise treadmill (20) is described having a number of assembly improvements. In one embodiment, a pivot assembly (50) is provided to allow a treadmill deck (32) to deflect during use. The rear pivot assembly includes a pin (56) transversely mounted on the upper surface of a treadmill frame (22). A pivot block (54) is attached to the deck and includes a lower channel (58) that engages the pin. In another embodiment, an adjustable rear foot assembly (70) is provided having a foot (74) that is...

A folding mechanism for a treadmill having a main frame, a platform and a shaft mounted on the main frame. The main frame is adapted for mounting a motor to impart rotary motion to a worm. Meanwhile, the main frame is rigidly connected to a base frame having an sliding groove or rail with an open side. The platform includes front and rear rollers on the under surface thereof. The front rollers are slidably fitted in the sliding rail. The shaft is mounted on the main frame while a yoke with a cro...

A folding collapsible treadmill includes base, a treadmill platform, the treadmill having a front side pivoted the base for enabling the treadmill platform to be turned relative to the base between a horizontal operative position and a vertical non-operative position, and a positioning apparatus installed adapted for locking the treadmill platform in the vertical non-operative position, the positioning apparatus including a stop member mounted in the treadmill platform, and a lever pivoted to on...

A lifting device for a platform of a treadmill includes a telescope shaft has a front end pivotally connected to a front portion of the platform. A power source is laterally mounted to the telescope shaft for reciprocally telescopically driving the telescope shaft. Two first linkages each has a first end pivotally connected to the two opposite sides of the base member and a second end pivotally connected to the two opposite sides of the platform. Two second linkages each includes a first end hav...

An auxiliary folding device for a treadmill is mounted between a main frame and the platform of the treadmill. The platform is pivotally connected to the main frame. The auxiliary folding device includes an air cylinder having opposite ends respectively pivotally connected to the main frame and the platform. The air cylinder extends when the user folds the platform toward the main frame for user to fold the treadmill in a labor-saving way.

A treadmill with a preferred frame relates to a running track frame being anchored at the two sides of the mainframe that primarily used for accommodating and stabilizing a running board. And the front and the back of the running board is coordinated with front and rear rollers, and combined with a running track to provide the user to stand on top of the running track to perform the jogging motion. At this time, the running track will start to rotate repeatedly around the perimeter of the front ...

A folding treadmill is disclosed which includes a treadmill frame, a carriage connected to the treadmill frame, a lift motor mounted to the carriage, a lift screw connected to the lift motor, a lift arm connected to the lift screw which is extended by turning of the lift screw, and a swinging arm connected to the treadmill frame and to the lift arm. In an alternative embodiment of the present invention, the swinging arm controls the angular orientation of the treadmill frame with respect to the ...

A foldable jogging machine comprises a handrail frame having two bottom rods which are provided in the midsegment with two upright rods and in the front end with a roller. A machine platform has a front end which is located at the bottom of the handrail frame, and a rear end which is provided with at least one roller. Two connection rods are pivoted at one end to the front end of the two bottom rods of the handrail frame, and at other end to the front segment of the machine platform. The machine...