Undertaking
Patent
1991-03-07
1992-02-11
Crow, Stephen R.
Undertaking
272 67, 272901, 272136, A63B 2100
Patent
active
050870386
ABSTRACT:
An exercising device includes a beam having a lower end pivotally supported on a base. A handle portion is provided to an upper portion of the beam. A spring is biased between the beam and the base. The user may hold the handle portion and may actuate the beam to rotate against the spring so that the user can practice training muscle groups of his arm.
REFERENCES:
patent: 2782033 (1956-01-01), Ugartechea
patent: 3563542 (1971-02-01), Wellman
patent: 3662602 (1972-05-01), Weis
patent: 3982757 (1976-09-01), McDonnell
patent: 4575076 (1986-03-01), Reichert
patent: 4603857 (1986-08-01), Chipman
patent: 4754964 (1988-07-01), Michaels
Hao Kuo-Hua
Hwang Jui-Fang
Crow Stephen R.
Donnolly J.
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