Miniature pneumatic switch actuator

Details Miniature pneumatic switch actuator Miniature pneumatic switch actuator

1979-03-01

1980-10-21

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Piston

200 82C, 200303, H01H 3538

Patent

active

042296293

ABSTRACT:
The present invention is a miniature electric switch actuator comprised of a two-piece threaded housing, one section having a cylindrical cavity containing a miniature switch with wires attached and the adjoining section has an inlet port and a bore with a spring biased piston. The piston is retained in the bore by a snap ring which limits the progression of the piston. In response to pressure, the piston depresses the switch push button to a controlled depth.

REFERENCES:
patent: 2764645 (1956-09-01), Smith
patent: 3039833 (1962-06-01), Farkas
patent: 3077524 (1963-02-01), Blackburn
patent: 3379841 (1968-04-01), Lombard
patent: 3444341 (1969-05-01), Mighton
patent: 3619526 (1971-11-01), Riley
patent: 4158120 (1979-06-01), Pawlowski

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