US PATENT SUBCLASS 451 / 194
.~.~.~ Opposed abrading tools

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
177  DF  .~ Rotary tool {3}
178  DF  .~.~ Rotary cylinder {11}
194.~.~.~ Opposed abrading tools {5}
195  DF  .~.~.~.~> Alternating tools {1}
197  DF  .~.~.~.~> Plunger infeeder {1}
199  DF  .~.~.~.~> Reciprocating work holder {3}
207  DF  .~.~.~.~> Roller work feed {1}
209  DF  .~.~.~.~> Work rotating {1}

DEFINITION

Classification: 451/194

Opposed abrading tools:

(under subclass 178) Abrading machine in which a plurality of

grinding tools are located on opposite or different sides of the workpiece and simultaneously or successively treat such opposite or different sides thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

132+, 262+, and 302, for other opposed tools.

SEE OR SEARCH CLASS

76, Metal Tools and Implements, Making,

50, for a machine having a rotary cutting or abrading device for truing the points or sides of the teeth of a saw blade.