Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific circuit breaker or control structure
Patent
1995-08-31
1997-09-02
Gaffin, Jeffrey A.
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific circuit breaker or control structure
361616, 361654, 361726, 361747, 361672, 200 4315, H01H 928
Patent
active
056638620
ABSTRACT:
An enclosure for a circuit breaker includes a housing sized to support at least one circuit breaker and to permit electrical connections to be made to the circuit breaker. A housing cover or lid is movable between an open position in which the circuit breaker is accessible and a closed position in which access to the electrical connections of the circuit breaker is prevented. An actuating bar is mounted slidably to the lid, and includes a switch-engaging formation for engaging the operating lever of the circuit breaker. The actuating bar includes a switch-engaging formation for engaging the operating lever of the circuit breaker and is operable to move the operating lever between the first, active position and a second, inactive position. An interlocking formation in the form of a waisted portion defined in the bar is adapted to prevent opening of the cover when the switch operating lever is in the first position and to allow opening of the cover when the operating lever is in the second position. The interlocking formation is slidable to engage a corresponding interlocking formation in the form of a slot defined in the housing. The waisted portion is dimensioned and positioned to allow the bar to be freed from the slot when the bar is slid to move the operating lever to the second inactive position.
REFERENCES:
patent: 1412242 (1922-04-01), Horton
patent: 3591835 (1971-07-01), Sloop
patent: 4006324 (1977-02-01), Leasher et al.
Gaffin Jeffrey A.
Reutech Commercial Electronics (Proprietary) Limited
Sherry Michael J.
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