Undertaking
Patent
1981-06-22
1983-07-12
Johnson, Richard J.
Undertaking
272132, 188 77R, A63B 2100
Patent
active
043926495
ABSTRACT:
A hand, wrist and forearm exerciser device comprising a roller assembly adapted to be grasped by either one or both hands of the user for rolling or twisting of the assembly about its own longitudinal axis, clamping members secured to the opposite ends of the roller assembly for securing the device to a suitable support structure, such as a bench press apparatus, and an adjustable tensioning assembly operably connected with the roller assembly for applying a preselected resistance to the twisting of the roller to provide an effective and efficient hand, wrist and forearm exercising operation.
REFERENCES:
patent: 1195959 (1916-08-01), Bardsley
patent: 1604333 (1926-10-01), Anderson
patent: 2530921 (1950-11-01), Tougas
patent: 3442132 (1969-05-01), DeMare
patent: 3614097 (1971-10-01), Blickman
patent: 3649008 (1972-03-01), Zinken
patent: 3785644 (1974-01-01), Bradley
patent: 4153244 (1979-05-01), Tauber
patent: 4169591 (1928-05-01), Douglas
patent: 4193593 (1980-03-01), Wilson
patent: 4344615 (1982-08-01), Carlson
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