US PATENT SUBCLASS 409 / 291
.~.~.~ Including provision for circumferential relative movement of cutter and work

Current as of: June, 1999
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409 /   HD   GEAR CUTTING, MILLING, OR PLANING

288  DF  PLANING {14}
289  DF  .~ With regulation of operation by templet, card, or other replaceable information supply {2}
290  DF  .~.~ Including use of tracer adapted to trigger electrical or fluid energy {1}
291.~.~.~ Including provision for circumferential relative movement of cutter and work

DEFINITION

Classification: 409/291

Including provision for circumferential relative movement of cutter and work:

(under subclass 290) Apparatus or method particularly adapted to shape a workpiece that is generally circular in cross section about the central axis thereof, wherein the cutting tool is supported for movement about the central axis of the workpiece, or whereon the workpiece is supported for movement about its central axis, which movement of the cutting tool relative to the workpiece is less than 360 deg..

SEE OR SEARCH CLASS

82, Turning, for similar cutting wherein cutter movement relative to the work is through more than 360 deg. about the work axis.