Improved pressure switch

Details Improved pressure switch Improved pressure switch

1978-04-10

1980-01-08

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Diaphragm

200 83S, H01H 3532

Patent

active

041829417

ABSTRACT:
A pressure switch assembly comprising a bellows expansible in response to a working pressure, an L-shaped actuating plate pivotably responsive to the expansion of the bellows and actuating a microswitch, an adjustable compression spring arranged against the bellows, an adjustable tension spring connected against the compression spring through the actuating plate and a stopper of the tension spring. The arrangement of the tension spring, the actuating plate and the stopper is simplified by making the spring directly connect with the actuating plate to eliminate a connection member.

REFERENCES:
patent: 1867711 (1932-07-01), Raney
patent: 2475069 (1949-07-01), Wood
patent: 2584682 (1952-02-01), Eimermann
patent: 2773147 (1956-12-01), Judson

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