Weight lifting device

Details Weight lifting device Weight lifting device

1982-06-18

1985-04-09

Apley, Richard J.

Undertaking

272118, 272134, A63B 2100

Patent

active

045097453

ABSTRACT:
A weight lifting device includes a frame having a weight stack secured to the frame, a force applicator secured to the frame and connected to the weight stack by a hydraulic connector, so that a person, who applies a muscular force to the force applicator, activates the hydraulic connector moves the weight stack and exercises the muscles. The weight stack is connected through a hydraulic system to a force applicator which includes a fluid contained cylinder that has a reciprocating piston that is acted upon by a user to cause fluid to act on and lift a plurality of stacked weight.

REFERENCES:
patent: 2825563 (1958-03-01), Lawton
patent: 4183520 (1980-01-01), Chase
patent: 4227689 (1980-10-01), Keiser
patent: 4357010 (1982-11-01), Telle

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