Snap action switch

Details Snap action switch Snap action switch

1981-04-23

1983-07-19

Shepperd, John W.

Electricity: circuit makers and breakers

Special application

Liquid or moisture responsive

200153T, 200332, 200 67D, H01H 522

Patent

active

043945538

ABSTRACT:
A micro-switch having an actuating mechanism comprising a pusher bearing directly on a conductive contact carrying spring blade which is trap mounted and pivotable at an anchor point distal from said contact(s), and a lever actuator hinge mounted to the switch case by means of laterally projecting trunnions having flat portions which are pivotable on fulcrum pivot points formed integrally in spaced axially aligned alcove portions in the switch case.

REFERENCES:
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patent: 2828372 (1958-03-01), Bulgin
patent: 3141075 (1964-07-01), Brevick et al.
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patent: 3336449 (1967-08-01), Ashman
patent: 3382339 (1968-05-01), Anderson
patent: 3392254 (1968-07-01), Long
patent: 3476898 (1969-11-01), Ehrenfels et al.
patent: 3588423 (1971-06-01), Hallerberg
patent: 3681554 (1972-08-01), Arthur
patent: 3767881 (1973-10-01), Sharples
patent: 3832508 (1974-08-01), Beck
patent: 3878347 (1975-04-01), Roeser
patent: 3989914 (1976-11-01), Stearley et al.
patent: 4063056 (1977-12-01), Baker

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