High voltage folding disconnect switch with locking device
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United States of America Patent
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-
Feb 20, 2018
Issued Date -
N/A
app pub date -
Apr 27, 2016
filing date -
Jul 2, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A high voltage folding disconnect switch including a folding switch blade that folds as it opens or closes and which is divided into a fixed blade portion attached to a rotating insulator and a folded blade portion having an electric contact surface engaging a break jaw contact surface. A trigger lever-locking bar is mounted to the fixed blade portion. The trigger lever-locking bar includes a trigger finger for contacting a trigger surface mounted on a stationary insulator. The trigger lever-locking bar has a cam slot for interaction with a cam follower pin that locks the movement of the folding blade so that premature straightening of the blade is prevented until any ice build-up on the switch has been alleviated.
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