Variable resistance exercising device

Details Variable resistance exercising device Variable resistance exercising device

1980-06-04

1982-08-31

Pinkham, Richard C.

Undertaking

272 70, 272133, 272DIG5, A63B 2100

Patent

active

043468861

ABSTRACT:
An exercising machine in which a belt is movable by a user against a minimum resistance has a user operated control to enable a user to increase that resistance. The belt passes round a series of rollers one or more of which can be locked against rotation by a system of pawls and ratchets or by resilient bushes. A single operating control may be used to actuate the pawls, the position of the control determining the number of rollers that are locked. For certain kinds of exercising machine, the rollers are locked against rotation in one direction only and are freely movable in the other direction. For other kinds of machine, the rollers are locked against movement in both directions.

REFERENCES:
patent: 3544105 (1970-12-01), Latta
patent: 4010948 (1977-03-01), Deluty
patent: 4284272 (1979-02-01), Evans et al.

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