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Class Information
Number: 451/419
Name: Abrading > Attachment > To cutting machine to sharpen blade
Description: Attachment adapted to be secured to a cutting machine to be used for sharpening a cutting blade thereof.










Sub-classes under this class:

Class Number Class Name Patents
451/420 Rotary abrading tool 44
451/423 Stationary abrading tool 21


Patents under this class:

Patent Number Title Of Patent Date Issued
8661952 Cutting machine Mar. 4, 2014
8616938 Hand-held blade sharpener Dec. 31, 2013
8348722 Mower blade sharpening device Jan. 8, 2013
8267752 Knife sharpening device of circular knife Sep. 18, 2012
8216029 Cutting machine Jul. 10, 2012
8043142 Sharpener carried by the product table of a food slicer Oct. 25, 2011
7909681 Chainsaw setting machine Mar. 22, 2011
7431637 Saw-setting machine for saw chain Oct. 7, 2008
7401536 Method or jointing the cutting edge of at least one cutting blade of a rotating tool Jul. 22, 2008
7390243 Sharpener for blades of food slicers Jun. 24, 2008
7320635 Device for sharpening chain saw teeth Jan. 22, 2008
7220169 Sharpening apparatus May. 22, 2007
7125325 Portable sharpening system for a dual-knife cutting machine Oct. 24, 2006
7066799 Protection mask for surface treatment of turbomachine blades Jun. 27, 2006
6910959 Fixture for a grinding or polishing wheel Jun. 28, 2005
6814652 Method to sharpen the cutting knife of a knife ring chipper Nov. 9, 2004
6644154 Apparatus for transverse cutting Nov. 11, 2003
6503135 Grinding device Jan. 7, 2003
6475063 Grinding device Nov. 5, 2002
6261161 Sharpener assembly for a food slicer and related method Jul. 17, 2001
6257967 Sharpener for veneer knife Jul. 10, 2001
6241595 Edger blade sharpener Jun. 5, 2001
6083088 Implement working adapter Jul. 4, 2000
5964648 Chipper knife grinding method and apparatus Oct. 12, 1999
5941148 Automatic slitter blade sharpener Aug. 24, 1999
5924914 Rotary cutter head knife jointer Jul. 20, 1999
5868124 Quick set radius dresser Feb. 9, 1999
5853318 Roll surface grinder Dec. 29, 1998
5755825 Sharpener for slitting blade May. 26, 1998
5727991 Method and apparatus for in situ blade sharpening Mar. 17, 1998
5725415 Grinding machine and method of sharpening grass mower bedknives Mar. 10, 1998
5216841 Sharpening device for the blades of a cross-cutting roller Jun. 8, 1993
5172521 Sharpening apparatus for forage harvester knives Dec. 22, 1992
5159784 Portable apparatus for sharpening blades Nov. 3, 1992
4987704 Plunge jointer for planer knives Jan. 29, 1991
4934108 Veneer lathe knife honing device Jun. 19, 1990
4829721 Honing apparatus for bun slicing machines May. 16, 1989
4817480 Knife sharpener Apr. 4, 1989
4739588 Method and apparatus for jointing rotatable cutter heads Apr. 26, 1988
4699118 Apparatus for dressing cutting edge Oct. 13, 1987
4669166 Electric lathe Jun. 2, 1987
4592171 Paper drill bit sharpener Jun. 3, 1986
4564991 Tool for holding a blade for installation and removal thereof Jan. 21, 1986
4393627 Reversing screw/high-low speed level wind screw Jul. 19, 1983
4337808 Super-surfacer Jul. 6, 1982
4319718 Forage harvester cutterhead and method of sharpening Mar. 16, 1982











 
 
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