Resources Contact Us Home
Browse by Category: Main > Tools & Hardware
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

  Recently Added Patents
Enabling improvement in cellular network coverage
Host route convergence based on sequence values
Integrated process for the manufacture of fluorinated olefins
Illumination apparatus for microlithography projection system including polarization-modulating optical element
Pressure roller and fixing device equipped with the same
Image heating apparatus
  Randomly Featured Patents
Expansion dowel assembly
Lazy susan
Digital automatic gain control circuits and methods for controlling the amplitude of a time-varying signal
Container for collection of items for recycling
Bicycle lamp or similar article
System and method providing inlined stub
Thermoplastic resin foamed article
Flash detection
Process for the polymerization or copolymerization of butadiene
Low power level shift circuit and method therefor