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Class Information
Number: 451/376
Name: Abrading > Work holder > Clamp > Edge tool > Rotary cutter > Drill > Pattern control
Description: Clamping drill bit holder having a templet for controlling movement of the drill bit when in contact with the abrading surface.

Patents under this class:

Patent Number Title Of Patent Date Issued
7899572 Method and device for measuring the geometry of a cutting edge to be chamfered Mar. 1, 2011
6254455 Jig for use in sharpening cutting implement for use in wood turning Jul. 3, 2001
6110018 Apparatus and methods of sharpening cutting tools Aug. 29, 2000
5788559 Web adjust drill bit sharpener and method of using Aug. 4, 1998
5573452 Drill grinder Nov. 12, 1996
5480345 Knife sharpener Jan. 2, 1996
5097634 Tool grinder apparatus and method Mar. 24, 1992
4995301 Tri-motion grinding fixture Feb. 26, 1991
4860497 Drill grinder having drill holder including chucks for gripping shank and body of the drill Aug. 29, 1989
4841678 Tool sharpening apparatus Jun. 27, 1989
4642942 Method and apparatus for grinding the tip of a twist drill Feb. 17, 1987
4587767 Apparatus for grinding May. 13, 1986
4544310 Clutch and transmission mechanism Oct. 1, 1985
4471581 Universal twist drill sharpener apparatus Sep. 18, 1984
4468891 Machine for point grinding drills Sep. 4, 1984
4411105 Precision drill bit resurfacing tool Oct. 25, 1983
4001975 Twist drill sharpener and aligning fixture Jan. 11, 1977

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