Pressure actuated switch with actuator having contact-actuating

Details Pressure actuated switch with actuator having contact-actuating Pressure actuated switch with actuator having contact-actuating

1979-03-12

1981-02-10

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Piston

200 18, 200 814, 200303, H01H 3538

Patent

active

042503612

ABSTRACT:
A switch is provided including an actuating member having a piston portion at one end responsive to applied fluid pressure, a guide portion at its opposite end encompassed by a coiled compression spring, and having an intermediate annular rib engageable with inwardly projecting tabs of actuately extending contact plates. Each of two of the contact plates has a contact selectively engageable with a corresponding contact on the third contact plate in response to movement of said actuating member.

REFERENCES:
patent: 3321594 (1967-05-01), Reise
patent: 3519773 (1970-07-01), Klimek
patent: 3601568 (1971-08-01), Sorenson
patent: 3784765 (1974-01-01), Daly
patent: 3900709 (1975-08-01), Sheesley
patent: 4046975 (1977-09-01), Seeger, Jr.

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