1990-02-14
1991-09-10
Bahr, Robert
Undertaking
272137, A63B 2105
Patent
active
050467263
ABSTRACT:
An exerciser comprises a tube, a spring in the tube, a plunger reciprocable in the tube, handles on the plunger and transverse supports extending from the bottom of the tube for comfortably resting against the thighs or in the lap of a user. Stomach muscles are exercised by grasping the handles with the transverse supports on the thighs and applying a pumping action to the plunger.
REFERENCES:
patent: 1023756 (1912-04-01), Pons
patent: 3132861 (1964-05-01), Horney
patent: 3633908 (1972-01-01), Kraoth
patent: 4193593 (1980-03-01), Wilson
patent: 4351527 (1982-09-01), Crisp, Jr.
patent: 4489937 (1984-12-01), Kong
patent: 4856776 (1989-08-01), Ching-Liang
patent: 4863162 (1989-09-01), Neckamm et al.
Bahr Robert
Verimark Close Corporation
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