Wrist exercise device

Details Wrist exercise device Wrist exercise device

1987-10-16

1988-09-13

Apley, Richard J.

Undertaking

272137, 272141, A63B 2104

Patent

active

047704098

ABSTRACT:
A wrist exercise device includes a figure eight shaped housing with circular portions each having an annular channel therein. An arcuate slide is positioned within each channel and a grip handle extends across the inner area of each circular portion and is connected to one of the arcuate slides. A stop is positioned in each channel adjacent one end of each slide. A spring is positioned in each channel and extends between the stop and the other end of each arcuate slide.

REFERENCES:
patent: 1333005 (1920-03-01), Warner
patent: 2819081 (1958-01-01), Touraine
patent: 2973962 (1961-03-01), Griffin
patent: 3746336 (1973-07-01), Tanimoto
patent: 4351526 (1982-09-01), Schwartz
patent: 4406453 (1983-09-01), Herzfeld
patent: 4461473 (1984-07-01), Cole
patent: 4591151 (1986-05-01), Hensley
patent: 4610448 (1986-09-01), Hill
patent: 4629184 (1986-12-01), Selkee
patent: 4690400 (1987-09-01), Metz
Advertisement for the "Double Twist Wrist", In Marcy Catalog, 1970, p. 8.
Exercising with Sports Mate, Front Cover, pp. 23 and 28, Jun. 1979.

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