Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Rickey J. Thomas0
Mark D. Miller0
Date of Patent
April 14, 2009
0Patent Application Number
116005410
Date Filed
November 16, 2006
0Patent Primary Examiner
Patent abstract
A holesaw mandrel assembly has a mandrel with a first shanking end, a body, and a second extending end which includes a threaded spud to receive a holesaw. A first member is secured on the second end. The first member is axially slidable on the second end. The first member also includes a friction surface to contact the holesaw. The friction surface moves between a first contacting position and a second release position. A mechanism on the mandrel moves the friction surface between the first and second positions.
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