US PATENT SUBCLASS 83 / 340
.~.~.~ Side cutting helical blade

Current as of: June, 1999
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83 /   HD   CUTTING

284  DF  CUTTING MOTION OF TOOL HAS COMPONENT IN DIRECTION OF MOVING WORK {17}
321  DF  .~ Orbital motion of cutting blade {7}
331  DF  .~.~ Rotary tool {10}
340.~.~.~ Side cutting helical blade

DEFINITION

Classification: 83/340

(under subclass 331) Device in which the cutter is a spiral blade mounted on an axis of rotation, which axis extends in the direction of work-feed, so that the cut proceeds inwardly from the side of the work.

SEE OR SEARCH THIS CLASS, SUBCLASS:

342, for a helically mounted cutter making a progressive transverse cut in which the axis of the cutter is transverse to the direction of work-feed.

672, for a helical cutter, per se.