Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Philip Roberts0
David Sprake0
Date of Patent
September 26, 2006
0Patent Application Number
104891720
Date Filed
July 18, 2002
0Patent Primary Examiner
Patent abstract
A drill tool comprises a drive shaft (2) that is arranged to allow rotational movement to be transmitted from a drill to a drill bit holder (10) even when the opposite ends of the drive shaft are not axially aligned. The end of the drive shaft housing the drill bit holder (10) can be inserted into a guide member (14) that includes a planar element (18, 42) that is arranged to ensure that the drill bit is maintained at substantially 90° to the surface of a work piece being drilled even if the drill itself is not so aligned.
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