US PATENT SUBCLASS 451 / 548
.~ Rotary disk

Current as of: June, 1999
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451 /   HD   ABRADING

540  DF  RIGID TOOL {4}
548.~ Rotary disk {3}
549  DF  .~.~> Work guide
550  DF  .~.~> Disk laps
551  DF  .~.~> Scroll

DEFINITION

Classification: 451/548

Rotary disk:

(under subclass 540) Rigid tool including a circular, planar surface, which tool is intended to turn about an axis normal to and passing through that surface to abrade the work by that surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

158+, 259+, 353, and 359, for other rotary abrading disk tools.

SEE OR SEARCH CLASS

125, Stone Working,

3, and 28 for rotary tool stone dressing apparatus.