TreadmillFree Patent Search

  • Treadmill with belt tensioning adjustment

    Treadmill Abstract A treadmill has an endless belt trained about a front roller and a rear roller assembly. The front roller is connected between a left frame member and a right frame member of the treadmill frame. The rear roller is also connected b...

  • Equilibrium breaking type load carrying means for use in a treadmill

    Treadmill Abstract An equilibrium breaking type load carrying means for use in a treadmill, mainly comprising a running belt, a running board, supporting rails, and motion generating devices capable of producing a regular motion. At least one set of...

  • Supporting chassis for a treadmill

    Treadmill Abstract An improved exercise treadmill device having a continuous belt upon which an exercise user walks or runs, which belt is supported by cushioned deck. The deck is disposed within the chassis of the treadmill underneath the belt and i...

  • 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...

  • Aquatic treadmill apparatus

    Treadmill Abstract An underwater treadmill apparatus is made up of a treadmill belt trained over a drive roller and take-up roller, a fluid drive motor and flywheel coupled to a common drive shaft in direct driving relation to the drive roller, and a...

  • Motor-less treadmill with stepped-up flywheel

    Treadmill Abstract A treadmill having a frame with first and second rollers mounted at opposite ends of the frame and an endless tread belt placed about the rollers. The treadmill further including a flywheel attached to the frame and coupled to the...

  • Omni-directional treadmill

    Treadmill Abstract A treadmill having a track assembly that allows a user to walk or run in any arbitrary direction. A movable user support has a plurality of rotatable members that rotate about axes normal to the direction of movement of the user su...

  • Treadmill safety module

    Treadmill Abstract A safety module for a motor speed control circuit, when speed control circuit has a failure mode in which full power is applied to the motor being driven by the speed control circuit. The safety module has a high pass filter couple...

  • Treadmill with upper body system

    Treadmill Abstract A treadmill including an upper body system for manipulation by the upper extremities of a user walking or jogging on the treadmill belt. The upper body system includes pivotally mounted lever arms having substantially constant but...

  • 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...

  • Inclination mechanism for a treadmill

    Treadmill Abstract An exercise apparatus in combination with an incline adjustment mechanism having a support frame, a support rotatably associated with the support frame, a pawl positioned to interact with the support and a spring for urging the paw...

  • Convertible treadmill apparatus with left and right foot belts

    Treadmill Abstract A treadmill or walker apparatus includes a mounting base, a pair of front rollers mounted fixedly on rotatable left and right front shafts which coaxially extend from a left front side to a right front side of the mounting base, a...

  • Treadmill apparatus with dual spring-loaded treads

    Treadmill Abstract A treadmill device includes a frame, and two independent side-by-side treadmills each having a continuous tread and first and second ends. The device further includes link members for supporting the first and second end of the trea...

  • AC motor driven treadmill

    Treadmill Abstract An exercise treadmill having a direct drive AC induction motor controlled by an AC motor driver/controller. The driver/controller is itself controlled through programmable circuitry having a display and keyboard with user input opt...

  • Lubrication system for treadmill

    Treadmill Abstract A treadmill having continuous solid lubrication system between the inner surface of the endless belt and the support deck. The treadmill has an endless belt entrained around a drive roller and an idler roller. The belt has a first...

  • Exercise treadmill

    Treadmill Abstract An exercise treadmill has a plurality of shock absorbing springs which are disposed between a tread supporting subframe and a floor engaging frame. The springs are inserted into vertically oriented sleeves which are secured to the...

  • Variable speed AC motor drive for treadmill

    Treadmill Abstract A variable speed AC motor control drive system for use in devices such as treadmills and including a module to sense the voltage of the line voltage provided to the system and adjusting the pulse width modulated signals provided to...