Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chi Hong Ho0
Date of Patent
April 7, 2009
0Patent Application Number
114976210
Date Filed
August 1, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A variable speed transmission that changes the output speed of a power tool in response to an increase in torque. The transmission includes a first transmission portion, a second transmission portion, and an annular connector. The annular connector may move via a spring and a control mechanism between a first position and a second position to vary the power tool output between a first and a second speed.
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