Ratchet lock mechanism for exercise hip, leg and squat sled

Details Ratchet lock mechanism for exercise hip, leg and squat sled Ratchet lock mechanism for exercise hip, leg and squat sled

1983-07-19

1985-10-29

Apley, Richard J.

Undertaking

272117, A63B 2100

Patent

active

045497346

ABSTRACT:
A multiple-duty leg exercise device is provided which includes a shiftable body-supporting pad respectively positionable in a use and a stowed position so as to permit alternate power hip or power leg exercises by the user. The pad is locked in respective positions by means of a ratchet-like mechanism including a pair of marginal, elongated apertured locking members and corresponding associated pivotal dogs coupled to the shiftable pad. The dogs include inclined forward surfaces which are successively cammed out of the aligned openings during shifting of the pad in one direction, and a trailing surface sequentially engaging the defining margins of the openings during rapid shifting of the pad in the opposite direction, in order to prevent the dogs from passing into the openings. When the pad is stopped in a desired position, gravity-induced pivoting of the dogs into the underlying locking member openings serves to lock the pad in place.

REFERENCES:
patent: 3820782 (1974-06-01), Salkeld
patent: 4252314 (1981-02-01), Ceppo
patent: 4286782 (1981-09-01), Fuhrhop
patent: 4316608 (1982-02-01), Lundberg

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