Exercise devices – Hand – wrist – or finger – Involving wrist rotation
Patent
1993-09-09
1994-11-15
Apley, Richard J.
Exercise devices
Hand, wrist, or finger
Involving wrist rotation
482124, 601 40, A63B 2314
Patent
active
053643232
ABSTRACT:
A structure for a multi-directional rotatable wrist exerciser comprising an arm covering body and a movable base. Said arm covering body and the movable base are pivotally connected together but movable by spiral springs which are made of harden materials. Since the harden spiral springs are free to turn in any direction, a user can therefore use the wrist exerciser to work out his wrist. The stretching of the springs generate a restoring force which the user tries to overcome through wrist exercising.
REFERENCES:
patent: 5100126 (1992-03-01), Liou
Apley Richard J.
Mollo Jeanne M.
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