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Class Information
Number: 451/377
Name: Abrading > Work holder > Clamp > Edge tool > Work reciprocating
Description: Clamping edge tool holder especially adapted for holding an edge tool which is positively reciprocated past an abrading device.

Patents under this class:

Patent Number Title Of Patent Date Issued
8597083 Blade sharpening system for multiple blade shapes Dec. 3, 2013
6475074 Sharpener attachment for rotary tool Nov. 5, 2002
6283830 Grinding control unit of a tool bit grinder Sep. 4, 2001
5938511 Grinding guide assembly Aug. 17, 1999
5810646 Means for producing relative reciprocatory movement between two members Sep. 22, 1998
5527208 Fixture for holding and aligning a blade of a hand tool Jun. 18, 1996
5291690 Nipper clamp for precison clamp scissors sharpening system Mar. 8, 1994
5157870 Precision clamp scissors sharpening system Oct. 27, 1992
4528778 Implement sharpening device Jul. 16, 1985
4481740 Tool profile grinding machine, with mechanical adjustment of the grinding wheel and positioning of the tool interrelated Nov. 13, 1984
4439952 Portable grinder assembly Apr. 3, 1984
4217735 Tool sharpening device Aug. 19, 1980

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