ELECTROMAGNETIC CONTACTOR, ELECTROMAGNETIC CONTACTOR GAS ENCAPSULATING METHOD, AND ELECTROMAGNETIC CONTACTOR MANUFACTURING METHOD
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United States of America Patent
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N/A
Issued Date -
Sep 12, 2013
app pub date -
Oct 25, 2011
filing date -
Dec 2, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An electromagnetic contactor has a base plate having an aperture hole; an arc extinguishing chamber having a fixed terminal and a pipe; and a bottomed tubular cap in which one end thereof is open. An arc extinguishing chamber connection portion is formed by the arc extinguishing chamber and a first connection member having a tube portion connected to the arc extinguishing chamber and a flange portion contacting with the base plate. A cap connection portion is formed by the cap and a second connection member having a tube portion connected to the cap and a flange portion connected to the base plate. The flange portions of the first and second connection members are attached to one surface and the other surface of the base plate accordingly. The arc extinguishing chamber connection portion and the cap connection portion are in communication through the aperture hole of the base plate.
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