Isometric muscle exerciser

Details Isometric muscle exerciser Isometric muscle exerciser

1987-06-11

1988-05-17

Apley, Richard J.

Undertaking

272 95, 272116, 128 25R, 128 76R, A63B 2300

Patent

active

047445564

ABSTRACT:
An isometric chin, neck and jaw muscle exerciser is disclosed which includes a generally C-shaped structure having two free ends. One free end is adapted to fit within the mouth of the user, and the second free end fits under the chin. Weights are added to the structure to cause the second free end to press upward against the lower jaw and chin muscles, while at the same time exerting a resistance against the upper jaw muscles.

REFERENCES:
patent: 2151458 (1939-03-01), Allen
patent: 2225274 (1940-12-01), Mac Goun
patent: 2791999 (1957-05-01), Bustamante
patent: 3457914 (1969-07-01), Donaldson
patent: 3497217 (1970-02-01), Feather
patent: 4210323 (1980-07-01), Feather
patent: 4280696 (1981-07-01), Ramon
patent: 4549536 (1985-10-01), Varjabedian
patent: 4585012 (1986-04-01), Rumburg

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