TreadmillFree Patent Search

  • D.C. treadmill speed change motor controller system

    Treadmill Abstract A control system controls a D.C. speed-change motor to change the transmission configurations on a treadmill transmission powered by an A.C. drive motor. The control system may be either microprocessor based or a system of discrete...

  • Hydrotherapy device with underwater treadmill

    Treadmill Abstract Hydrotherapic rehabilitative device characterized in that it comprises an individual rehabilitation horizontal tub (6), whose bottom is partially formed by a vertically movable treadmill platform (9) and whose walls extend downward...

  • Exercise treadmill with tension-limited belt adjustment

    Treadmill Abstract A treadmill (10) includes a frame (12) on which are rotatably mounted first and second roller assemblies (14, 16) on axles (40, 48) disposed on spaced apart transverse axes (42, 50). An endless belt (18) is trained about the roller...

  • Treadmill

    Treadmill Abstract A treadmill has a belt provided with a running surface and rotated in a predetermined direction at a set running speed, wherein a foot landing on the running surface is detected, a landing time distance between landing times is mea...

  • Adaptive treadmill

    Treadmill Abstract A motor-driven treadmill includes a stationary ultrasonic range finder which continuously measures the distance to the torso of a person walking or running on the moving tread of the treadmill. When the person approaches too closel...

  • Exercise treadmill with grooved roller

    Treadmill Abstract A treadmill which includes a generally rectangular frame defining a walking plane, said frame having laterally disposed parallel trending side rails (18); a drive roller, said drive roller having walls defining a hollow cylinder; a...

  • Suspension system for treadmill with resilient surface

    Treadmill Abstract A treadmill with a trampoline-like surface having an endless belt adapted to travel between two guide rails. The treadmill includes an improved suspension system formed from a flexible wire cable that connects two adjacent reinforc...

  • Treadmill with elastomeric-spring mounted deck

    Treadmill Abstract A treadmill (10) includes a frame (12) on which are rotatably mounted first and second transverse roller assemblies (14, 16). An endless belt (18) is trained about the roller assemblies. A deck (20) is disposed between an upper run...

  • Treadmill with dual reciprocating treads

    Treadmill Abstract A treadmill device includes a frame, and two side-by-side treadmills each having a continuous tread and first and second ends. The first ends of the two treadmills are pivotably supported on a base portion of the frame by a roller...

  • Treadmill with collapsible handrails

    Treadmill Abstract A step exercising machine includes a front upright frame and a rear upright frame mounted on the machine base thereof at tow opposite ends, that can be collapsed when the respective mounting screw bolts are removed, two rollers mou...

  • Inclination drive mechanism for a treadmill

    Treadmill Abstract An inclination drive mechanism for a treadmill permits driven, selective adjustment of the angle of inclination of the treadmill. The drive mechanism includes an electric motor which operates through a gear train including an outpu...

  • Motor control for a treadmill having improved power supply and improved speed regulation under interm

    Treadmill Abstract A motor control for a treadmill has an improved, inexpensive, and simple set of power supplies, derived from the bus voltages of the DC busses with simple voltage dividers, to supply operational amplifiers connected to the positive...

  • Treadmill having an automatic speed control system

    Treadmill Abstract An improved treadmill comprises a motor driven endless belt, sensors located below an upper run of the belt for sensing the position of a user, and a controller for controlling the speed of the belt in accordance with the position...

  • Elevating structure for a motor driven treadmill

    Treadmill Abstract This invention relates to an elevating structure for a motor driven treadmill and in particular to one including a base provided with a front wheel support and a rear wheel support, a frame mounted on the box channel of the front w...

  • Aquatic treadmill with mesh belt

    Treadmill Abstract A nonmotorized aquatic treadmill including an endless looped belt made from a meshed material to substantially reduce the friction between the meshed belt and the deck of the treadmill. In one embodiment, the treadmill includes fix...

  • Exercise treadmill

    Treadmill Abstract To improve tracking, an exercise treadmill is provided with a frame including molded plastic pulleys, having an integral gear belt sprocket, an endless belt extending around the pulleys and a motor operatively connected to the rear...

  • Belt and deck assembly for an exercise treadmill

    Treadmill Abstract A treadmill (10) having a belt (12) and deck (14) with a relatively long, useful lifetime is disclosed. The belt of this assembly has a tread layer (54) formed of PVC plastic or other material that serves as the layer of the belt u...