Electricity: circuit makers and breakers – Interlocking – Between plural switches
Patent
1996-03-29
1998-09-29
Nguyen, Matthew V.
Electricity: circuit makers and breakers
Interlocking
Between plural switches
H01H 926
Patent
active
058147772
ABSTRACT:
A cable interlock system for preventing at least two circuit breakers from being closed at the same time, comprising a first circuit breaker having a first operating handle, wherein the first operating handle is adapted to close or open the first circuit breaker, a second circuit breaker having a second operating handle, wherein the second operating handle is adapted to close or open the second circuit breaker, a first mounting bracket that is attached or secured to or otherwise associated with the first circuit breaker, a first lever arm movably attached or secured to or otherwise associated with the first mounting bracket, a second mounting bracket that is attached or secured to or otherwise associated with the second circuit breaker, a second lever arm movably attached or secured to or otherwise associated with the second mounting bracket, a cable assembly having one end adapted to be connected to the first lever arm of the first mounting bracket and having another end adapted to be connected to the second lever arm of the second mounting bracket, wherein said cable assembly and the first lever arm and the second lever arm operate together so as to prevent the first operating handle and the second operating handle from both being in the closed position.
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DiMarco Bernard
Green Russell B.
Nguyen Matthew V.
Siemens Energy & Automation,Inc.
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