US PATENT SUBCLASS 408 / 211
.~ Having inversely angled cutting edge

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}
211.~ Having inversely angled cutting edge {1}
212  DF  .~.~> And axially extending peripheral cutting spur

DEFINITION

Classification: 408/211

(under subclass 199) Device wherein a cutting edge* of the tool diverges from the tool-axis radially outward and in the direction in which the tool is advanced toward the work.

SEE OR SEARCH THIS CLASS, SUBCLASS:

194, for similar structure including a tool having stepped cutting edges and means to permit positioning of one of the edges.