Exercise device

Details Exercise device Exercise device

1985-02-04

1987-03-24

Hafer, Robert A.

Undertaking

272116, 272137, A63B 2100, A63B 2102

Patent

active

046519858

ABSTRACT:
New exercising device, intended particularly for exercising the muscles of the hand, wrist and forearm, comprising an exercising means made up of a tightly wound coil spring and handle means attached to both ends of the exercising means to permit grasping of the device by the operator, said handle means also comprising a tightly wound coil spring of smaller size so as to fit within the ends of the exercising means.

REFERENCES:
patent: 2475656 (1949-07-01), Bidak
patent: 3396967 (1968-08-01), Brown
patent: 3947025 (1976-03-01), Hobby, Jr.
patent: 3964340 (1976-06-01), Antonio et al.
patent: 4218057 (1980-08-01), Wilson
patent: 4249729 (1981-02-01), Gabrielidis
patent: 4489937 (1984-12-01), Kong

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