Seal apparatus for circuit breaker application

Details Seal apparatus for circuit breaker application Seal apparatus for circuit breaker application

2011-05-31

2011-05-31

Friedhofer, Michael A (Department: 2833)

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

C200S050210, C200S293000, C361S605000

Reexamination Certificate

active

07952042

ABSTRACT:
A seal apparatus is disposed between a switchgear cabinet and a circuit breaker between the racked and unracked positions of the circuit breaker. The seal apparatus sealingly extends between the switchgear cabinet and the circuit breaker to resist fluid flow, such as exhaust gases and other matter, between an interior region of the switchgear cabinet and the exterior of the switchgear cabinet.

REFERENCES:
patent: 3621448 (1971-11-01), Arnold et al.
patent: 4825023 (1989-04-01), Morse
patent: 5211471 (1993-05-01), Rohrs
patent: 6388867 (2002-05-01), Rakus et al.
patent: 7558052 (2009-07-01), Coomer et al.
patent: 2009/0173118 (2009-07-01), Schulz et al.

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