US PATENT SUBCLASS 451 / 471
.~.~.~ With threaded operator

Current as of: June, 1999
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451 /   HD   ABRADING

463  DF  CARRIER FOR RELATIVELY MOVABLE SIMULTANEOUSLY USABLE TOOLS {2}
464  DF  .~ For radially movable tools {7}
470  DF  .~.~ Including conoid or wedge tool moving member {2}
471.~.~.~ With threaded operator {2}
472  DF  .~.~.~.~> To move conoid member {4}
477  DF  .~.~.~.~> Including key-way or spline

DEFINITION

Classification: 451/471

With threaded operator:

(under subclass 470) Carrier having helical screw means for moving the cone or wedge member(s) to cause radial movement of the tool(s).