Vacuum operated switch

Details Vacuum operated switch Vacuum operated switch

1979-07-11

1981-06-09

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Diaphragm

200670A, 200302, H01H 3534

Patent

active

042726603

ABSTRACT:
A vacuum operated electric switch designed for automotive applications having a vacuum responsive diaphragm that releases the switch mechanism for movement from one of its two stable conditions. The switch assembly has a spring biased pivotal overcenter contact blade movable between two stationary contacts to give the switch a snap action characteristic. Stationary contact wiring is eliminated by bending the ends of the terminals, which are insert molded in a switch base, to directly support the contacts. Movable contact wiring is eliminated by staking a bracket for the movable contact blade directly to one of the terminals so that the bracket provides the conductive path between the movable contact and its terminal. The switch assembly is designed as a complete integral subassembly that may be manufactured separately from the main switch housing having a vacuum chamber and diaphragm therein.

REFERENCES:
patent: 3594521 (1971-07-01), Roll
patent: 3984650 (1976-10-01), Budlane
patent: 4121074 (1978-10-01), Orcutt
patent: 4172412 (1979-10-01), Sepso

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