Switch construction

Details Switch construction Switch construction

1981-02-17

1982-08-31

Shepperd, John W.

Electricity: circuit makers and breakers

Special application

Liquid or moisture responsive

200 68, 200315, 200339, H01H 918, H01H 506, H01H 2142

Patent

active

043474179

ABSTRACT:
A plastic switch actuator is fitted with a spring so as to impart sliding and rocking motion to a movable contact by virtue of direct engagement between spring and element. The actuator has a depending integral portion received in an opening of the element but it is the spring which keeps the element in contact with the fixed switch contacts. Other embodiments provide for illuminating the rocker in the miniature switch made possible by this simplified switch construction of fewer component parts. Still further embodiments provide for a toggle style actuator having a movable contact capable of retention in a "center-off" position wherein the movable contact is releasably retained on shelf-like lands defined for this purpose in the switch base, and wherein this contact can be moved by the depending actuator portion through joint action by the actuator and the spring provided on said actuator.

REFERENCES:
patent: 3035134 (1962-05-01), Hults
patent: 3158704 (1964-11-01), Sorenson
patent: 4101749 (1978-07-01), Josemans et al.
patent: 4127754 (1978-11-01), Josemans et al.
patent: 4145586 (1979-03-01), Swann

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