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Class Information
Number: 451/234
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Stationary work holder > 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
8348725 Grinding and honing fixture with clamping jaws Jan. 8, 2013
8287332 Method and apparatus for machining workpieces Oct. 16, 2012
7918715 Device and method for sharpening blades Apr. 5, 2011
7896729 Universal rotary blade holder for sharpener Mar. 1, 2011
7740522 Knife sharpener Jun. 22, 2010
7666067 Method and device for sharpening a cutting tool Feb. 23, 2010
7559828 Double-grinding-wheel type drill bit grinding device with a single driving shaft and grinding method thereof Jul. 14, 2009
7488241 Precision control of sharpening angles Feb. 10, 2009
7488238 Emery wheel grinding machine with adjustable drill bit chuck Feb. 10, 2009
7473164 Self-centering skate holder Jan. 6, 2009
7465220 Apparatus and method for corrugating resharpened blades Dec. 16, 2008
7431637 Saw-setting machine for saw chain Oct. 7, 2008
7281969 Tool sharpening and compound honing jig Oct. 16, 2007
7264540 Arrow blade sharpening apparatus Sep. 4, 2007
7220169 Sharpening apparatus May. 22, 2007
RE39492 Method for sharpening bedknives Feb. 20, 2007
7175512 Cutting chain grinder and method of grinding Feb. 13, 2007
7140948 Machine for machining elongate workpieces provided with cutting teeth, in particular for grinding bandsaw blades Nov. 28, 2006
7125325 Portable sharpening system for a dual-knife cutting machine Oct. 24, 2006
7104874 Razor sharpening apparatus Sep. 12, 2006
6971949 Sharpening guide for dental tools Dec. 6, 2005
6932683 Knife sharper having cutting edge protective structure Aug. 23, 2005
6881137 Manual knife sharpener with angle control Apr. 19, 2005
6863600 Apparatus for precision edge refinement of metallic cutting blades Mar. 8, 2005
6848971 Electronic bevel angle indicator for a hollow grinder Feb. 1, 2005
6589104 Electric chain saw sharpening machine Jul. 8, 2003
6443819 Device for dressing grinding wheels Sep. 3, 2002
6381862 Hollow grinder bevel angle control mechanism May. 7, 2002
5893792 Method for sharpening bedknives Apr. 13, 1999
5685768 Grinding machine with lifting mechanism Nov. 11, 1997
5645470 Method of honing a knife blade Jul. 8, 1997
5641321 Elongated cutting tool for wood working and apparatus for and method of grinding the same Jun. 24, 1997
5618226 Apparatus for grinding a reciprocal trimming blade Apr. 8, 1997
5547416 Skate sharpening gauge Aug. 20, 1996
5480345 Knife sharpener Jan. 2, 1996
5329731 Mulcher blade grinder and method thereof Jul. 19, 1994
5133157 Apparatus for sharpening cutting edges of knife blades Jul. 28, 1992
5090159 Multi-purpose grinder Feb. 25, 1992
4991355 Apparatus for sharpening points Feb. 12, 1991
4821458 Combine blade sharpening apparatus Apr. 18, 1989
4762278 Combination lawn mower washer and sharpener Aug. 9, 1988











 
 
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