Hydraulic hand exerciser

Details Hydraulic hand exerciser Hydraulic hand exerciser

1991-02-26

1991-12-31

Bahr, Robert

Undertaking

272130, A63B 21008

Patent

active

050765701

ABSTRACT:
A hand exercising apparatus uses two flexible hollow handles connected together by a conduit. The user alternately squeezes one handle then the other. Liquid contained in the handles and conduit will flow from one handle to the other. Valves located in each handle will restrict or increase the flow area to change the resistance.

REFERENCES:
patent: 2919135 (1959-12-01), Marchionda
patent: 3606318 (1971-09-01), Gilstrad
patent: 3658326 (1972-04-01), Fawick
patent: 4040619 (1977-08-01), Landi
patent: 4146222 (1979-03-01), Hribar
patent: 4625960 (1986-12-01), Gvoich et al.
patent: 4801139 (1989-01-01), Vanhoutte et al.

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