Exercising device with controllable force pattern

Details Exercising device with controllable force pattern Exercising device with controllable force pattern

1987-03-09

1988-05-24

Apley, Richard J.

Undertaking

272134, A63B 2100

Patent

active

047461152

ABSTRACT:
An exercising device utilizing a pneumatic piston and cylinder as the resistive element together with a force controlling mechanism that provides a continuously changing mechanical advantage throughout the course of the exercising stroke. Adjustment devices are provided for the control of both the magnitude and the rate of change of the resistive force as needed to achieve a constant apparent force. Convertible benches and accessories permit the practice of a wide variety of exercise routines using the exercise device.

REFERENCES:
patent: 3902480 (1975-09-01), Wilson
patent: 3905599 (1975-09-01), Mazman
patent: 4063726 (1977-12-01), Wilson
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patent: 4208049 (1980-06-01), Wilson
patent: 4227689 (1980-10-01), Keiser
patent: 4257593 (1981-03-01), Keiser
patent: 4397462 (1983-08-01), Wilmarth
patent: 4406454 (1983-09-01), Dean
patent: 4441708 (1984-04-01), Brentham
patent: 4482152 (1984-11-01), Wolff

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