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Class Information
Number: 451/320
Name: Abrading > Machine > Stationary tool > Rigid > Reciprocating work holder
Description: Abrading machine 319 employing a relatively stationary tool of rigid character, as a hone or whetstone, and a work holder moving to and fro thereover.

Sub-classes under this class:

Class Number Class Name Patents
451/321 Blade sharpener 33
451/323 Lens abrader 12

Patents under this class:

Patent Number Title Of Patent Date Issued
7104876 Cutter-grinder Sep. 12, 2006
6890243 Processing method and apparatus of distal end of optical fiber May. 10, 2005
6149512 Linear pad conditioning apparatus Nov. 21, 2000
6030281 Sharpening apparatus Feb. 29, 2000
5547419 Knives and scissors sharpener Aug. 20, 1996
5487697 Polishing apparatus and method using a rotary work holder travelling down a rail for polishing a workpiece with linear pads Jan. 30, 1996
5199224 Dart sharpener Apr. 6, 1993
5168659 Apparatus for finely working piston rings Dec. 8, 1992
5040337 Method and apparatus for honing aircraft blades Aug. 20, 1991
4912881 Multiple angle dressing device for tools and stock Apr. 3, 1990
4512111 Knife blade sharpener Apr. 23, 1985
4484412 Method and apparatus for cutting hard and brittle material using system for applying vibration in two directions Nov. 27, 1984
4418501 Lapping machine and method Dec. 6, 1983
4330963 Apparatus for grinding finish of piston rings May. 25, 1982
4302909 Stressed internal face lapping tool Dec. 1, 1981
4277915 Apparatus for shaping electrodes Jul. 14, 1981
4196611 Testing apparatus for determining abrasion resistance of a surface Apr. 8, 1980
4156327 Method for total form machining of metal May. 29, 1979
4100701 Ultrasonic machining Jul. 18, 1978
4060939 Device of plane-parallel treatment of surfaces Dec. 6, 1977
4051748 Key cutting machine for producing obliquely oriented bitting Oct. 4, 1977
4051747 Method for making a tool electrode for electrical discharge machining Oct. 4, 1977
3990868 Method of making cutting master for erosion machining Nov. 9, 1976
3988864 Structure for and method of total form abrasion machining Nov. 2, 1976
3988862 Structure for total form abrasion machining Nov. 2, 1976
3948620 Method of making cutting master for erosion machining Apr. 6, 1976
3932960 Single slide grinding machine Jan. 20, 1976

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