Electricity: circuit makers and breakers – Interlocking – Between plural switches
Patent
1979-04-25
1981-07-28
Witkowski, S. J.
Electricity: circuit makers and breakers
Interlocking
Between plural switches
339273R, 361336, H01H 920
Patent
active
042812275
ABSTRACT:
A drawout switchgear with blow-out prevention means characterized by a circuit breaker movable into and out of a cell, and detachable blockage means for holding the circuit breaker in place.
REFERENCES:
patent: 2762878 (1956-09-01), Wills
patent: 3491331 (1970-01-01), Glader
patent: 3562593 (1971-02-01), Bould
patent: 3818281 (1974-06-01), Ferton et al.
Majcher John P.
Rexroad James O.
Ginsburg Morris
Johns L. P.
Westinghouse Electric Corp.
Witkowski S. J.
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