US PATENT SUBCLASS 408 / 215
.~ With pitch-stabilizing ridge


Current as of: June, 1999
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408 /   HD   CUTTING BY USE OF ROTATING AXIALLY MOVING TOOL

199  DF  TOOL OR TOOL WITH SUPPORT {12}
215.~ With pitch-stabilizing ridge {4}
216  DF  .~.~> And radially spaced cutting edge
217  DF  .~.~> Including cutting teeth of different width {1}
219  DF  .~.~> Including tapered section {2}
222  DF  .~.~> Extending outwardly from tool-axis


DEFINITION

Classification: 408/215

(under subclass 199) Device wherein the tool or tool-support includes a body portion having a crest formed in the peripheral surface thereof, said crest extending along a spiral path deflected along the tool-axis, and serving to engage the work and thereby guide the tool during cutting.

SEE OR SEARCH THIS CLASS, SUBCLASS:

184, for similar structure combined with a tool-adjusting screw that is perpendicular to the tool-axis.