Clockwise and counterclockwise rotation switching device for power tool
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United States of America Patent
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Mar 27, 2012
Grant Date -
Mar 5, 2009
app pub date -
Jul 25, 2008
filing date -
Aug 27, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A clockwise and counterclockwise rotation switching device of a power tool is capable of effectively suppressing chattering or fusing of an elastic end to improve contact durability. An end part of a fixed contact is formed to be an elastic end deformed by contacting a movable contact. A unit base includes a regulation projection which is abutted with the elastic end, which is deformed in contact with the movable contact, so as to regulate the deformation quantity.
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