Low profile circuit breaker with self cleaning contacts
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United States of America Patent
Stats
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Oct 8, 2019
Grant Date -
May 16, 2019
app pub date -
Nov 15, 2017
filing date -
Nov 15, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A circuit interrupter includes a stationary contact and a moveable contact arm assembly having a moveable contact positioned thereon, the moveable contact configured to be moveable into and out of physical contact with the stationary contact. The circuit interrupter also includes an overcurrent tripping device coupled to the moveable contact arm assembly via a linkage assembly and configured to move the moveable contact out of physical contact with the stationary contact upon detection of an overcurrent situation. The moveable contact arm assembly is connected to the linkage assembly via at least two pivots positioned on the contact arm assembly, so as to cause a relative sliding action between the moveable and stationary contacts as the moveable and stationary contacts are moved into or out of contact with each other such that a wiping action is created in order to clean the moveable and stationary contacts.
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