Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Patent
1980-05-29
1982-02-09
Stellar, George G.
Electricity: circuit makers and breakers
Multiple circuit control
Pivoted contact
200 6158R, 200DIG2, H04R 2500
Patent
active
043151116
ABSTRACT:
A battery powered hearing aid has a remote, momentary shut off switch comprised of two leaf plates mounted in a spaced apart relationship, with each leaf plate having an electrical contact extending inwardly and aligned so that pressure against either leaf plate separates the contacts to open an electrical circuit. When the switch is opened, power from the battery is disconnected from the hearing aid, rendering it non-operational while the leaf plates are under pressure. The remote momentary shut off switch is particularly adapted for mounting in the shoulder area of a hunting vest or the like to permit improved hearing while stalking a quarry without amplifying the firing noise from a shotgun or rifle.
REFERENCES:
patent: 1211976 (1917-01-01), Spencer et al.
patent: 2106658 (1938-01-01), Rakos
patent: 2267489 (1941-12-01), Brockhurst
patent: 2406583 (1946-08-01), Blauvelt
patent: 2979845 (1961-04-01), Christiansen
patent: 3306991 (1967-02-01), Wood
patent: 3363242 (1968-01-01), Currey et al.
patent: 3586798 (1971-06-01), Holmes
U.S. Patent Office Official Gazette, Feb. 17, 1942, p. 529, Item 2,273,204.
U.S. Patent Office Official Gazette, Dec. 1953, pp. 355-356, Item 2,661,561.
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