Impact tool
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United States of America Patent
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Oct 16, 2012
Grant Date -
Sep 23, 2010
app pub date -
Mar 16, 2010
filing date -
Mar 23, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
An impact tool includes a vibration-proofing cushioning material connecting a tool body and a handle. The tool further includes a motor-driving manual operating member disposed on the handle, an operation mode switching member disposed on the tool body, and a movable member. When the switching member is switched to first mode in which the tool bit is continuously driven, the movable member moves the manual operating member from an off position and locks it in an on position. When the switching member is switched to second mode in which the tool bit is arbitrarily driven, the movable member releases the lock of the manual operating member. A vibration-proofing elastic member is disposed in the vibration transmitting path and prevents vibration caused in the tool body from being transmitted to the handle in the state in which the manual operating member is locked in the on position by the movable member.
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