Slide-action switch with movable contact lifting means

Details Slide-action switch with movable contact lifting means Slide-action switch with movable contact lifting means

1986-03-10

1987-11-03

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Reciprocating contact

200 16D, 200159R, H01H 930, H01H 1302, H01H 1502

Patent

active

047045035

ABSTRACT:
A slide-action switch in which a fixed contact is provided on an insulating wafer has a projection for raising and holding a movable contact away from the surface of the wafer when the movable contact slides to its open circuit position so as to eliminate a high voltage arcing path formed by metal powder left on the surface of the wafer. The metal powder is created by the sliding action of the movable contact against the fixed contact.

REFERENCES:
patent: 2993968 (1961-07-01), Ellithorpe
patent: 3142742 (1964-07-01), Kaleba et al.
patent: 3255319 (1966-06-01), Paine
patent: 3261955 (1966-07-01), Martin
patent: 3300594 (1967-01-01), Paine et al.
patent: 3842229 (1974-10-01), Boulanger
patent: 3944761 (1976-03-01), Nicholl et al.
patent: 4012608 (1977-03-01), Lockard
patent: 4316065 (1982-02-01), Rupp et al.
patent: 4609795 (1986-09-01), Lavigne et al.

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