Exercise devices – Hand – wrist – or finger – Involving wrist rotation
Patent
1996-06-21
1998-06-23
Apley, Richard J.
Exercise devices
Hand, wrist, or finger
Involving wrist rotation
482 97, 482137, A63B 2312, A63B 2108
Patent
active
057697574
ABSTRACT:
An exercise device includes forced pronation or supination movement of the hand and arms in conjunction with the standard range of motion for a specified exercise. The device comprises a conventional frame and a centrally mounted seat. Pivotally attached to the frame is a sub-frame including a pair of levers that pivot in tandem about a horizontal first axis of rotation A1 and movably attached to the distal end of each lever is a double "L" shaped handle that includes a grip that pivots about a second axis of rotation A2. A2 is is substantially perpendicular to A1 and the distal end of the second leg of the double "L" shaped handle is movably attached with a ball and socket connection to a first end of a linkage rod. The second end of the linkage rod is movably attached with a second ball and socket connector to the frame so that, as the levers pivot about axis A1, each handle is forced to pivot about its axis A2 in a predetermined relationship with the position of the levers.
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Apley Richard J.
Bryan John F.
Hwang Victor
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