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Class Information
Number: 451/322
Name: Abrading > Machine > Stationary tool > Rigid > Reciprocating work holder > Blade sharpener > Blade reversing
Description: Abrading machine employing a relatively stationary tool of rigid character, as a hone or whetstone, and a work holder reciprocating thereover having means by which the direction of presentation of the blade edge is reversed at each stroke of the work holder.










Patents under this class:

Patent Number Title Of Patent Date Issued
6569000 Grinding machine for centerless grinding of workpieces May. 27, 2003
5601479 Method and apparatus for decontaminating structures Feb. 11, 1997
5347764 Handle arrangement for air power tool Sep. 20, 1994
5175934 Utility knife Jan. 5, 1993
4602531 Process and apparatus for sharpening of knives Jul. 29, 1986











 
 
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