Weight lifting apparatus having increased force on the return st

Details Weight lifting apparatus having increased force on the return st Weight lifting apparatus having increased force on the return st

1983-04-15

1986-01-07

Apley, Richard J.

Undertaking

272134, A63B 2106

Patent

active

045630038

ABSTRACT:
A weight-lifting apparatus operable by a person for weight training. The apparatus has a frame; a plurality of weights mounted on said frame for generally vertical reciprocal movement from a rest position upwardly against gravity force to an upper position, and downwardly from said upper position under said gravity force to said rest position. The apparatus also has a structure for lifting said weights against said gravity force and lowering said weights under said gravity. A resisting force in addition to said gravity force on the weight is applied to said structure during at least a portion of said downward movement of said weights.

REFERENCES:
patent: 3112928 (1963-12-01), Oswald
patent: 3573865 (1971-04-01), Annas et al.
patent: 3588101 (1971-06-01), Jungreis
patent: 3902480 (1975-09-01), Wilson
patent: 4138106 (1979-02-01), Bradley
patent: 4235437 (1980-11-01), Ruis et al.
patent: 4239210 (1980-12-01), Lambert
patent: 4387893 (1983-06-01), Baldwin

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