Electricity: circuit makers and breakers – Electric switch details – Latches
Patent
1980-05-21
1982-04-13
Shepperd, John W.
Electricity: circuit makers and breakers
Electric switch details
Latches
200320, 200153SC, 74527, H01H 920
Patent
active
043249639
ABSTRACT:
A circuit breaker characterized by a plurality of pole-units adapted for interrupting multi-phase circuits having an operating mechanism releasable to effect simultaneous opening of the multi-phase circuits, at least two latch levers biased against a latch member with each latch lever having a beveled surface to effect simultaneous release of both levers.
REFERENCES:
patent: 2891122 (1959-06-01), Froland
Maier Alfred E.
Ricci Louis N.
Johns L. P.
Shepperd John W.
Westinghouse Electric Corp.
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