Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1977-09-28
1979-09-04
Marcus, Stephen
Electricity: circuit makers and breakers
Liquid contact
Time delay
74 2, 200153SC, H01H 330, H01H 346
Patent
active
041669380
ABSTRACT:
Drive for a high speed disconnect switch which attains both high speed closing and high speed opening and requiring one spring for both the closing and opening operation.
REFERENCES:
patent: 3209101 (1965-09-01), Peek et al.
patent: 3778574 (1973-12-01), Clark
patent: 3794798 (1974-02-01), Trayer
patent: 3794799 (1974-02-01), Spindle et al.
patent: 4020432 (1977-04-01), Erikson et al.
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