Exercise devices – Hand – wrist – or finger – Grip
Patent
1997-08-14
1998-11-24
Crow, Stephen R.
Exercise devices
Hand, wrist, or finger
Grip
A63B 2316
Patent
active
058399925
ABSTRACT:
A resilient wrist support and therapeutic hand exerciser device for supporting the wrist of a person performing repetitive tasks with their wrist, hand and fingers, such as using a computer mouse and typing on a keyboard, and for exercising the muscles of the wrist, hand, fingers and forearm of the user. A mass of tiny glass spheres having the consistency and appearance of a fine powder is enclosed in a resilient inner bladder surrounded by a resilient outer bladder and a thin layer of powder is disposed between the exterior surface of the inner bladder and interior surface of the outer bladder to prevent theme from sticking together, reduce friction therebetween, and allow relative sliding movement between the surfaces. The tiny spheres provide low resistance to relative particle movement by rolling on each other upon an increase or decrease in pressure applied to the device. When placed on a flat surface beneath the wrist of a user, the device deforms slightly and conforms to the underside of the user's wrist to form a comfortable cradle-like support as the downward pressure of the wrist increases or decreases. As the wrist is moved relative to the flat surface, the device smoothly rolls between the wrist and the flat surface to provide a smooth massaging effect on the wrist while maintaining wrist support. The resilient device can be squeezed in the palm of the hand to exercise the muscles of the hand, fingers, wrist, and forearm.
REFERENCES:
patent: 4952190 (1990-08-01), Tarnoff et al.
patent: 5158255 (1992-10-01), Fuller
patent: 5228655 (1993-07-01), Garcia et al.
patent: 5350342 (1994-09-01), Scatterday
patent: 5445349 (1995-08-01), Hart
patent: 5566913 (1996-10-01), Prokop
patent: 5718655 (1996-07-01), Phillips
Crow Stephen R.
Gayla Industries, Inc.
Roddy Kenneth A.
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