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Class Information
Number: 451/367
Name: Abrading > Work holder > Clamp > Edge tool
Description: Clamping work holder especially adapted for securing a tool element having a sharp cutting edge while being abraded.










Sub-classes under this class:

Class Number Class Name Patents
451/380 Angularly adjustable 37
451/369 Gauging device 26
451/372 Harvester knife 3
451/378 Portable 20
451/374 Rotary cutter 38
451/368 Seat controlled 2
451/377 Work reciprocating 12
451/379 Work rotating 17


Patents under this class:
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Patent Number Title Of Patent Date Issued
8556685 Tool setter for a grinding machine Oct. 15, 2013
8323077 Blade sharpening assembly Dec. 4, 2012
8262438 Knife sharpener Sep. 11, 2012
8172646 Magnetically actuated chuck for edge bevel removal May. 8, 2012
7896729 Universal rotary blade holder for sharpener Mar. 1, 2011
7686678 Tool setter for a grinding machine Mar. 30, 2010
7666067 Method and device for sharpening a cutting tool Feb. 23, 2010
7549910 Blade sharpening holder Jun. 23, 2009
7347769 Method of fabricating pliant workpieces, tools for performing the method and methods for making those tools Mar. 25, 2008
7335093 Blade sharpening holder Feb. 26, 2008
7238096 Orbital rotary blade sharpener Jul. 3, 2007
7182678 Clamping device for the exact manual resharpening of knife blades on a whetstone Feb. 27, 2007
7182679 Conical point sharpener Feb. 27, 2007
7144310 Knife sharpener apparatus Dec. 5, 2006
7137878 Ferrule holder assembly for optical-fiber-end-face grinding apparatus Nov. 21, 2006
7134950 Center clamp Nov. 14, 2006
7112124 Rotary blade sharpener Sep. 26, 2006
7104876 Cutter-grinder Sep. 12, 2006
7101268 Grinding table for liquid crystal display panel and grinder apparatus using the same Sep. 5, 2006
7052385 Self-aligning blade angle guide May. 30, 2006
6932684 Reciprocal blade lapping machine Aug. 23, 2005
6926596 Tool sharpening apparatus Aug. 9, 2005
6926593 Vehicle wheel hole deburring device and method Aug. 9, 2005
6878042 Devices and methods for holding an optical element with reduced stress in an optical column and while performing an out-of-column procedure on the element Apr. 12, 2005
6805619 Knife sharpening system Oct. 19, 2004
6764383 Methods and apparatuses for processing microfeature workpiece samples Jul. 20, 2004
6413148 Grinding jig for firearm recoil pads Jul. 2, 2002
6393712 Grinding jig for grinding gouge chisels May. 28, 2002
6227958 Knife and sharpening holder May. 8, 2001
5967888 Fish hook sharpening holder and method Oct. 19, 1999
5938511 Grinding guide assembly Aug. 17, 1999
5637036 Power tool adapter Jun. 10, 1997
5620363 Powered grinding tool Apr. 15, 1997
5618226 Apparatus for grinding a reciprocal trimming blade Apr. 8, 1997
5582542 Apparatus and method for sharpening a cutting tool Dec. 10, 1996
5575711 Wood jointer and planer blade sharpening and honing holder Nov. 19, 1996
5545081 Tool fixture for abrading apparatus Aug. 13, 1996
5527208 Fixture for holding and aligning a blade of a hand tool Jun. 18, 1996
5472375 Blade sharpening angle guide Dec. 5, 1995
5363602 Blade sharpener Nov. 15, 1994
5301473 Grinding apparatus comprising a tool holding jig Apr. 12, 1994
5195275 Blade sharpener Mar. 23, 1993
5191737 Hollow grinding fixture Mar. 9, 1993
5157870 Precision clamp scissors sharpening system Oct. 27, 1992
5138801 Blade sharpener Aug. 18, 1992
5090160 Planer blade sharpening apparatus Feb. 25, 1992
4969298 Apparatus for clamping bar-shaped cutters at a grinding machine Nov. 13, 1990
4961288 Apparatus for sharpening edge tools Oct. 9, 1990
4961287 Wood jointer and planer blade sharpening holder Oct. 9, 1990
4890419 Device for grinding cutting tools having straight and spiral grooves Jan. 2, 1990

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