Variable resistance exercising apparatus and method

Details Variable resistance exercising apparatus and method Variable resistance exercising apparatus and method

1977-06-21

1979-12-04

Apley, Richard J.

Undertaking

A63B 2100

Patent

active

041768361

ABSTRACT:
Exercising apparatus and method whereby the resistance encountered by the body part or parts being exercised is varied by moving the body part or parts along a discretely curved incline, whereby the resistance varies automatically and instantaneously commensurate with the sine of the angle of the incline.

REFERENCES:
patent: 339638 (1886-04-01), Goldie
patent: 682988 (1901-09-01), Hazelip
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patent: 2183345 (1939-12-01), Brandon
patent: 2455548 (1948-12-01), Bell
patent: 2642288 (1953-06-01), Bell
patent: 2783045 (1957-02-01), Bosch
patent: 3394934 (1968-07-01), Elia et al.
patent: 3794329 (1974-02-01), Wilson
patent: 3858873 (1975-01-01), Jones

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