Electricity: circuit makers and breakers – Special application – Liquid or moisture responsive
Patent
1982-03-30
1983-08-09
Shepperd, John W.
Electricity: circuit makers and breakers
Special application
Liquid or moisture responsive
200339, H01H 2144
Patent
active
043980716
ABSTRACT:
An electrical snap-action switch has as its moving member a strip (15) of a springy metal with which there is integrally formed a contact-carrying arm (18). This strip is held bowed into a C shape in a metal carrier (10) with a concave inner face (11) near which the strip lies when in one position.
The operating member of the switch is a rocker (23) of an insulating material which rocks on a convex "bump" (24) on the carrier so that it has an inwardly extending pillar (24) with two studs one on each side of the strip (15). Hence operation of the rocker snaps the strip between its two positions, with corresponding movement of the contact carrying arm.
REFERENCES:
patent: 1215665 (1917-02-01), Landis
patent: 4336429 (1982-06-01), Jackson et al.
Crick Aubrey M.
Hodges Robert J.
Rogers Charles E.
IT&T Industries, Inc.
Kidorf Renee S.
Michals William J.
Raden James B.
Shepperd John W.
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