Electric tool
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United States of America Patent
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-
Dec 25, 2012
Grant Date -
Dec 23, 2010
app pub date -
Jan 22, 2009
filing date -
Jan 31, 2008
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a power tool comprises an adjusting mechanism, the adjusting mechanism comprising a station element defining at least a first engaged member, and an adjusting member rotated about a axis and driving the first engaged member to move elastically along the axis, wherein a frequency increase mechanism is disposed between the adjusting member and the station element, the frequency increase mechanism coupled to the first engage member, the frequency of the elastic moving of the first engage member increases when the adjusting member rotates about the axis. Because the adjusting mechanism can increase the sound frequency, so it can make precision and dense sound and remind of the operator when the adjusting member rotated.
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