Electrical switch means particularly adapted to GFCI test and re

Details Electrical switch means particularly adapted to GFCI test and re Electrical switch means particularly adapted to GFCI test and re

1983-10-05

1985-08-27

Marcus, Stephen

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 1R, H01H 126

Patent

active

045380406

ABSTRACT:
A pair of separate electrical switches are disclosed, each including a fixed contact supported by and electrically connected to a printed circuit board, and a movable contact comprising a deflectable portion of a strip of springy, conducting material. A single such strip is supported by and electrically connected to terminals of the circuit board in a central portion of the strip, the opposite end portions forming the movable switch contacts. A pair of push rods are carried by spaced, flexible, rubber boots which position the push rods and move them axially to urge the respective ends of the strip to a deflected position which moves one strip end away from the associated pin, opening a normally closed switch, and moves the other strip end to contact the pin, closing a normally open switch. The electrical and physical configuration of the switches is particularly suited to use as test and reset switches of a ground fault circuit interrupter device, in which context the invention is disclosed.

REFERENCES:
patent: 2469650 (1949-05-01), Isserstedt
patent: 2624809 (1953-01-01), Sinclaire
patent: 2981816 (1961-04-01), Cozart
patent: 3204069 (1965-08-01), West
patent: 3971902 (1976-07-01), Wulf et al.

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