Undertaking
Patent
1988-11-09
1990-02-20
Apley, Richard J.
Undertaking
272131, 272132, A63B 2300
Patent
active
049019996
ABSTRACT:
An exercise device which provides tone and strength to the muscles and opposing muscles of the hand, wrist, and forearm. The device comprises a pair of spherical balls attached to the ends of a cylindrical bar. The spherical balls are pressed between a pair of grip handles which are detachably engaged together. The grip handles are able to rotate about the X, Y and Z axes of the spherical balls in essentially universal motion.
REFERENCES:
patent: 3184234 (1965-05-01), Struble
patent: 3428311 (1969-02-01), Mitchell
patent: 3811672 (1974-05-01), Simmons
patent: 4186920 (1980-02-01), Fiore et al.
patent: 4379552 (1983-04-01), Webb et al.
patent: 4664370 (1987-05-01), Finch
Apley Richard J.
Willse David H.
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