Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Patent
1977-05-19
1979-03-13
Marcus, Stephen
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
200188, 200307, 335162, H01H 2904
Patent
active
041444310
ABSTRACT:
One or more mercury displacement switches are positioned against a plate-shaped mounting bracket and interlocked to the plate by means of a strap extending around each switch and through the mounting bracket.
REFERENCES:
patent: 2046272 (1936-06-01), Larson et al.
patent: 2142151 (1939-01-01), Sambleson
patent: 2534354 (1950-12-01), Keller
patent: 2776351 (1957-01-01), Mitchell
patent: 2881284 (1959-04-01), Mekelburg
patent: 3174009 (1965-03-01), Deeg
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