Electricity: circuit makers and breakers – Interlocking – Between plural switches
Reexamination Certificate
2007-05-01
2007-05-01
Enad, Elvin (Department: 2832)
Electricity: circuit makers and breakers
Interlocking
Between plural switches
C200S050330, C200S018000
Reexamination Certificate
active
11021180
ABSTRACT:
A switching mechanism provides sequential switching of first and second circuit breakers to enable switching between a primary power supply and a backup power supply. The switching mechanism comprises an actuating mechanism to sequentially actuate a pair of circuit breakers. The actuator mechanism including a shock absorber to absorb energy due to switching of one of the first and second circuit breakers.
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Fillppenko Alexander S.
Pollard Gary
Anglo Lheiren Mae A.
Square D Company
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