US PATENT SUBCLASS 83 / 492
.~.~ Including means to rotate both elements of tool pair

Current as of: June, 1999
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83 /   HD   CUTTING

469  DF  ROTATABLE DISC TOOL PAIR OR TOOL AND CARRIER {11}
491  DF  .~ Means to rotate or oscillate tool {1}
492.~.~ Including means to rotate both elements of tool pair {2}
493  DF  .~.~.~> Including means to rotate both elements at different speeds
494  DF  .~.~.~> And means to change speed of rotation

DEFINITION

Classification: 83/492

(under subclass 491) Device provided with a tool pair, and including means to effect rotation of both cutters of the tool pair.

(1) Note. See (4) Note of subclass 469 for the definition of a "Tool pair".