Electricity: circuit makers and breakers – Interlocking – Between plural switches
Patent
1982-04-23
1984-01-24
Goldberg, E. A.
Electricity: circuit makers and breakers
Interlocking
Between plural switches
200 5E, H01H 920
Patent
active
044278535
ABSTRACT:
There is provided by this invention an interlock mechanism for converting two momentary electric control switches to the maintained control mode that is generally comprised of a single extension spring biasing the interlock mechanism in its last selected operating position.
REFERENCES:
patent: 3710288 (1973-01-01), Grunert
patent: 4177363 (1979-12-01), Keranen
patent: 4250368 (1981-02-01), Johnston et al.
patent: 4282414 (1981-08-01), Johnston et al.
patent: 4356363 (1982-10-01), Harbauer et al.
Colista Dominic
Johnston Robert J.
Layciak Stephen G.
Ginsburg Morris
Goldberg E. A.
Hudson, Jr. Benjamin
Westinghouse Electric Corp.
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