1982-12-02
1985-05-28
Kramer, Arnold W.
Undertaking
272DIG4, A63B 2304
Patent
active
045196036
ABSTRACT:
Apparatus that offers its users high intensity exercise through a leg operated, rotary motion mode of exercise in which the rotary motion is selectively interrupted so as to allow a beneficial, stand-up, body lifting, method of exercise. The body-lift rotary-motion apparatus includes pedals and cranks in a fixed 180.degree. relationship, a braking mechanism, and controls for operating the braking mechanism to provide that once the "down" pedal has moved past bottom dead center on its way up, it is momentarily braked to provide a step-up platform to permit the user to raise his body as he steps up onto the "up" pedal. In one embodiment, there is a frame to support the user while pedalling in a stand-up position and to hold the pedalling, braking, and control components, with braking accomplished by solenoid applied friction modulated by timers and voltage level controls available to the user to adjust exercise intensity and comfort, these controls being keyed to rotary pedal position by a cam-actuated switch.
REFERENCES:
patent: 1778570 (1930-10-01), Soresi
patent: 3360263 (1967-12-01), Tsuru
patent: 3419732 (1968-12-01), Lane
patent: 3501142 (1970-03-01), Johansson
patent: 3767195 (1973-10-01), Dimick
patent: 3845756 (1974-11-01), Olsson
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