A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
A63B 23/12 (2006.01) A63B 21/012 (2006.01) A63B 23/14 (2006.01) A63B 23/16 (2006.01)
Patent
CA 2511591
An adjustable linear friction device for exercising the forearm, wrist and hand, comprising: a disc rotatably mounted on a housing, with a circumferential edge and opposed faces; a friction band extending between an anchor and biasing means, the friction band disposed against the circumferential edge of the disc; a shaft extending outwardly from the opposed faces, with handles on the shaft for rotating the shaft to effect rotation of the disc. Rotating the disc in a first direction results in a first normal friction between the friction band and the circumferential edge, and rotating the disc in a second and opposite direction results in a second, different normal friction. The device can be used to exercise the forearm and wrist joint in supination/pronation, extension/flexion, and radial/ulnar deviation motions through the full range of motion.
Christensen Byron
Gowling Lafleur Henderson Llp
LandOfFree
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