Oil pulse tool
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United States of America Patent
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Jan 6, 2015
Grant Date -
Aug 25, 2011
app pub date -
May 8, 2009
filing date -
May 8, 2008
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An oil pulse tool includes a motor, an oil pulse unit, an output shaft on which a front end tool is attached, a torque detecting sensor for detecting generation of an impact torque, and an operating portion configured to detect a time period between a first impact torque detected by the torque detecting sensor and a second impact torque detected by the torque detecting sensor. The second impact torque is smaller than the first impact torque. The operating portion carries out a notification when the time period between the first impact torque and the second impact torque is less than a predetermined evaluation value for the time period between the first impact torque and the second impact torque.
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