Vital movable electricl contact arrangement

Details Vital movable electricl contact arrangement Vital movable electricl contact arrangement

1978-05-05

1979-12-25

Artis, Henry K.

Electricity: circuit makers and breakers

Electric switch details

Contact

200263, 200264, 200265, 200275, H01H 124, H01H 126, H01H 128

Patent

active

041807154

ABSTRACT:
A fail-safe multiple transfer contact assembly including a plurality of front, back and heel contact elements. The contact elements include elongated leaf spring members which are fixed to a molded insulative contact block. A silver contact button is rivoted to the free ends of the front and back leaf spring members while a silver impregnated carbon contact block is soldered to the free end of the heel leaf spring member so that neither the front and back contacts cannot become welded to the heel contact.

REFERENCES:
patent: 1016833 (1912-02-01), Larson
patent: 1665550 (1928-04-01), Janette
patent: 3222468 (1965-12-01), Nanninga
patent: 3249730 (1966-05-01), Felson
patent: 3258571 (1966-06-01), Schmidt, Jr.
patent: 3268701 (1966-08-01), La Plante et al.
patent: 3340372 (1967-09-01), Schaefer
patent: 3562466 (1971-02-01), McElligott
patent: 3790733 (1974-02-01), Pohl
patent: 4092157 (1978-05-01), Reid et al.
patent: 4115325 (1978-09-01), Santala et al.

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