Electrical switching device
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United States of America Patent
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Jun 2, 2015
Grant Date -
Jun 13, 2013
app pub date -
Dec 11, 2012
filing date -
Dec 13, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An electrical switch device has a contact system and a movable actuator for switching the contact system. The contact system resiliently preloads a sliding contact against a first fixed contact in a first switch position and against a second fixed contact in a second switch position. In case of pressurization, the actuator moves the sliding contact mainly linearly from the first switch position to the second switch position. In the first switch position, the actuator adjoins to a snap-action element having a stable position and actuates the latter from its stable position to an instable position when switching over to the second switch position, wherein the snap-action element returns to the stable position upon completion of pressurization by means of the actuator.
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