Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael C. Bowers0
Christine Potter0
Rodney Milbourne0
Todd A. Hagan0
Date of Patent
January 10, 2006
0Patent Application Number
103848090
Date Filed
March 10, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A multi-speed transmission assembly for a rotary power tool. The transmission assembly includes a plurality of transmission stages, with at least two of the transmission stages employing a movable reduction element that permits the transmission stage to be operated in an active mode and an inactive mode. The movable reduction elements are coupled to a switching mechanism that switches the reduction elements in a predetermined manner to provide at least three-gear reduction or speed ratios.
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