Wrist exerciser

Details Wrist exerciser Wrist exerciser

1993-03-08

1994-05-17

Crow, Stephen R.

Exercise devices

Hand, wrist, or finger

Involving wrist rotation

482120, A63B 2314

Patent

active

053123093

ABSTRACT:
A wrist exercizing device comprises a pair of generally coaxial handles for grasping in the hands and turning, and a reel mounted therebetween. The reel has a reel surface that is eccentric with respect to the axis of rotation of the handles. A cord is wrapped round the reel surface and supports a weight. Rotation of the handles to raise or lower the weight requires a periodically varying effort. Suitably the reel surface has an axis of rotational symmetry that is offset from the axis of rotation of the handles to provide the eccentricity. The degree of offset may be varied so as to vary the ratio of maximum to minimum effort required to raise the load.

REFERENCES:
patent: D264237 (1982-05-01), McCaleb et al.
patent: 684688 (1901-10-01), Herz
patent: 2475656 (1949-07-01), Bidak
patent: 3132861 (1964-05-01), Horney
patent: 3806121 (1974-04-01), Crossley
patent: 3858873 (1975-01-01), Jones
patent: 3982755 (1976-09-01), Sarich
patent: 4411423 (1983-10-01), Estwanik, III
patent: 4438920 (1984-03-01), Veillette
patent: 5037087 (1991-08-01), Roth
patent: 5060933 (1991-10-01), Cedro

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