Electromagnetic contactor
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United States of America Patent
Stats
-
Mar 7, 2017
Grant Date -
Jul 23, 2015
app pub date -
Apr 2, 2015
filing date -
Dec 12, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
An electromagnetic contactor includes a fixed contact portion, a movable contact portion disposed facing the fixed contact portion to contact to and separate from the fixed contact portion, and an arc extinguishing receptacle forming an arc extinguishing chamber housing the fixed contact portion and movable contact portion. Among contact surfaces of the movable contact portion and fixed contact portion facing each other, at least an opposing distance between a contact end portion of the fixed contact portion and a contact end portion of the movable contact portion positioned in a moving direction of an arc generated when separating the movable contact portion from the fixed contact portion is set to increase with increasing proximity to end surfaces on contact end portion sides.
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