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Class Information
Number: 451/203
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Opposed abrading tools > Reciprocating work holder > Rectilinear > 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
7220169 Sharpening apparatus May. 22, 2007
6709320 Width adjustable sharpener Mar. 23, 2004
6368196 Blade sharpener for curved and straight edge blades Apr. 9, 2002
6364750 Blade sharpener for curved and straight edge blades Apr. 2, 2002
6217412 Method for characterizing polish pad lots to eliminate or reduce tool requalification after changing a polishing pad Apr. 17, 2001
5810645 Apparatus for producing hollow ground needles Sep. 22, 1998
5700182 Apparatus and method for automated honing of elongated straight-edged cutting blades Dec. 23, 1997
5027559 Sharpening unit for leather splitting machines Jul. 2, 1991
4752304 Blade stropping apparatus Jun. 21, 1988
4528777 Knife sharpener Jul. 16, 1985
4052174 Apparatus for sharpening blade edges Oct. 4, 1977

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