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Class Information
Number: 451/187
Name: Abrading > Machine > Rotary tool > Rotary cylinder > One-way work traverse > Nut and screw > 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
6808441 Dental tool sharpener and method of use Oct. 26, 2004
5048236 Saw blade tooth grinder for saws Sep. 17, 1991
4393627 Reversing screw/high-low speed level wind screw Jul. 19, 1983

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