Gasket arrangement for withstanding internal arc in a switchgear enclosure
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United States of America Patent
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-
Oct 3, 2017
Grant Date -
Feb 9, 2017
app pub date -
Aug 5, 2015
filing date -
Aug 5, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A switchgear enclosure has a case with a front face that surrounds an opening in the case. A flange extends from the front face and has a first surface adjacent to the opening and a second, opposing surface. At least the second surface is disposed transversely with respect to the front face. A door has a door bracket. A gasket is coupled the door bracket and forms an endless loop sized larger than a size of the opening in the case. The gasket has a seal portion. When the door is closed, the seal portion compresses against the second surface of the flange to provide a seal around the opening, and in the event of an arc in the case causing pressure to be exerted on the door, the gasket moves with the door, with the seal portion sliding along the second surface, maintaining the seal around the opening.
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