Forearm and wrist exercise device

Details Forearm and wrist exercise device Forearm and wrist exercise device

2008-03-06

2008-12-09

Crow, Steve R (Department: 3764)

Exercise devices

Hand, wrist, or finger

Involving wrist rotation

C482S044000, C482S001000

Reexamination Certificate

active

07462133

ABSTRACT:
A forearm and wrist exercise device includes a base frame, a handle rod, a driver wheel, a driven yoke, a driven wheel and an adjustable tensioner. The base frame is attached to a stationary object, such as a wall. The handle rod extends from the driver wheel and the handle rod is pivotally retained by the base frame. The driven wheel is forced against the driver wheel. A second embodiment of the forearm and wrist exercise device includes a base frame, a handle rod, a driver wheel, a tension belt and an adjustable tensioner. A third embodiment of the forearm and wrist exercise device includes a base frame, a hydraulic pump, a hydraulic flow valve and a pair of extension shafts. A fourth embodiment of the forearm and wrist exercise device includes a base frame, a handle rod, a driver gear, a driven gear, a flywheel and an electromagnet.

REFERENCES:
patent: 4060241 (1977-11-01), Hegel
patent: 4239208 (1980-12-01), Walls
patent: 4703188 (1987-10-01), Gottfried
patent: 5256115 (1993-10-01), Scholder et al.
patent: 5634871 (1997-06-01), Froelich, Sr. et al.
patent: 2005/0200221 (2005-09-01), Vasilovich et al.
patent: 2006/0189452 (2006-08-01), Chou

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