Pressure switch and sub-assembly therefor

Details Pressure switch and sub-assembly therefor Pressure switch and sub-assembly therefor

1989-05-12

1991-02-05

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Diaphragm

200835, 200 83WM, 337319, H01H 3534

Patent

active

049907280

ABSTRACT:
A pressure switch assembly has a preassembled spring capsule assembled onto a deck structure with a snap switch thereon to form a subassembly which is snap-locked into the cup-shaped housing. A rotary cam drum is provided in the housing with an external shaft for changing the setting. An adjustment lever has a bifurcated portion nested about the inner periphery of the cam drum and a threaded external adjustment is provided for moving the lever position against the spring capsule for calibration. The pressure switch is completely assembled from one side of the housing.

REFERENCES:
patent: 2636093 (1953-04-01), Clark
patent: 3230328 (1966-01-01), Chapin
patent: 3352983 (1967-11-01), Cools
patent: 4192980 (1980-03-01), Kothe
patent: 4490708 (1984-12-01), Thompson
patent: 4755786 (1988-07-01), Shanahan

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