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Class Information
Number: 451/192
Name: Abrading > Machine > Rotary tool > Rotary cylinder > One-way work traverse > Opposed abrading tools > Blade sharpener
Description: Abrading machine especially adapted to sharpen the edge of a cutting member.










Patents under this class:

Patent Number Title Of Patent Date Issued
8425281 Electric abrasive sharpener Apr. 23, 2013
8206199 Electric abrasive sharpener Jun. 26, 2012
8043142 Sharpener carried by the product table of a food slicer Oct. 25, 2011
7722442 Knife-edge sharpening apparatus May. 25, 2010
7220169 Sharpening apparatus May. 22, 2007
6786808 Sharpening device for rotating cutting tools and machine employing said device Sep. 7, 2004
6709320 Width adjustable sharpener Mar. 23, 2004
6623340 Grinding jig Sep. 23, 2003
6544105 Control device to implement a grinding process for a knife shaft Apr. 8, 2003
6261161 Sharpener assembly for a food slicer and related method Jul. 17, 2001
6257967 Sharpener for veneer knife Jul. 10, 2001
6071181 Knife sharpening machine Jun. 6, 2000
5700182 Apparatus and method for automated honing of elongated straight-edged cutting blades Dec. 23, 1997
5645470 Method of honing a knife blade Jul. 8, 1997
5435771 Method and apparatus for sharpening scalloped-edge blades Jul. 25, 1995
5027559 Sharpening unit for leather splitting machines Jul. 2, 1991
5018310 Knife sharpener May. 28, 1991
4928436 Device for sharpening knives May. 29, 1990
4809464 Method and apparatus for sharpening metal blades Mar. 7, 1989
4454866 Bathroom appliance for concurrently sharpening razor blades and treating gum tissue by spaced pressure pulses of liquid Jun. 19, 1984
4038782 Honing mechanism Aug. 2, 1977











 
 
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