Circuit breaker carrier assembly with spring guide
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United States of America Patent
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Aug 30, 2011
Grant Date -
Oct 14, 2010
app pub date -
Apr 8, 2009
filing date -
Apr 8, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A spring guide is provided for a carrier assembly of an electrical switching apparatus such as, for example, a circuit breaker. The carrier assembly includes a carrier body, a plurality of movable contact arms pivotably coupled to the carrier body, and a plurality of contact springs. Each of the contact springs is disposed between a portion of the carrier body and a corresponding number of the movable contact arms. Each spring guide includes a guide member disposed between a corresponding one of the contact springs and the corresponding number of movable contact arms to maintains alignment therebetween. The guide member preferably includes a planar portion including a first side, which spans a pair of adjacent movable contact arms, and a second side, which includes a projection. The projection is disposed within the coils of the corresponding one of the contact springs.
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