Physical fitness diagnostic testing apparatus

Details Physical fitness diagnostic testing apparatus Physical fitness diagnostic testing apparatus

1986-07-31

1988-02-02

Picard, Leo P.

Undertaking

272134, 272144, 272145, A63B 2100

Patent

active

047225254

ABSTRACT:
An exercizing device comprising a computer associated with a plurality of actuating arms pivotally mounted on a chair frame, movement of each actuating arm being resisted by a double acting hydraulic cylinder. Position and pressure sensors associated with each of the hydraulic cylinders, and each of the actuating arms deliver signals through the microprocessor of a computer for indicating power or work exerted by the user for moving each actuating arm. A selector valve is connected to each double acting cylinder and is connected to a control valve to permit independent adjustment of the resistance to movement of the piston of a selected cylinder in opposite directions. The cylinders which are not selected on the selector valve are locked to prevent movement of the actuating arm associated therewith.

REFERENCES:
patent: 3226115 (1962-05-01), Underhill
patent: 3465592 (1969-09-01), Perrine
patent: 4247098 (1981-01-01), Brentham
patent: 4353547 (1982-10-01), Jenkinson
patent: 4354676 (1982-10-01), Ariel
patent: 4637607 (1987-01-01), McArthur

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