Safety control for power tool
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United States of America Patent
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Mar 28, 1995
Grant Date -
N/A
app pub date -
Jun 7, 1993
filing date -
Jun 7, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A safety control for power tool includes a trigger responsive element coupled to the power tool drive apparatus. The trigger responsive element is operative to permit normal trigger movement between on and off positions. In addition, the trigger responsive element responds to excessive force upon the trigger in the on position to initiate a safety shutdown of the power tool drive apparatus. Upon release, the trigger responsive element returns the trigger to the off position without reactivating the power tool drive apparatus. Embodiments are shown for both electrical and internal combustion engine powered tools.
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