Electrical contact system
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United States of America Patent
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Oct 12, 2021
Grant Date -
N/A
app pub date -
Nov 27, 2019
filing date -
Jun 1, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An electrical contact system includes a static contact, a movable contact movable between a switch-on position with the movable contact in electrical contact with the static contact and a switch-off position with the movable contact separated from the static contact, and an arc extinguishing device including an arc extinguishing member and a driving mechanism. When the movable contact is moved to the switch-on position, the arc extinguishing member is moved beyond a contact area between the movable contact and the static contact and the movable contact is allowed to be in electrical contact with the static contact. When the movable contact is moved to the switch-off position, the arc extinguishing member is moved between the movable contact and the static contact and the movable contact is electrically isolated from the static contact.
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