Electrical switch with sliding contacts

Details Electrical switch with sliding contacts Electrical switch with sliding contacts

1981-05-29

1983-08-30

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

200 16D, 200238, 200252, H01H 112, H01H 1902, H01H 2102, H01H 1502

Patent

active

044018622

ABSTRACT:
In an electrical switch being subject to high contact pressure and using contacts of relatively soft contact material, the isolating or electrical resistance is impaired by contact wear. A contact and a counter contact spring supported by an isolating support before and/or behind the contact with an area the surface of which is located lower than the level of the topside of the contact. On at least one side of said recess area, the isolating support is provided with an elevated portion which also extends in the direction of relative movement of the contact spring and on which the contact spring rests when the switch is in its open position.

REFERENCES:
patent: 2755347 (1956-07-01), Allison
patent: 2843709 (1958-07-01), Kreisinger
patent: 3024334 (1962-03-01), Rhodes
patent: 3187119 (1965-06-01), Dyksterhouse
patent: 3431374 (1969-03-01), Raab
patent: 3499126 (1970-03-01), Jones et al.
patent: 3624320 (1971-11-01), Eberhart
patent: 3689714 (1972-09-01), Walz

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