US PATENT SUBCLASS 409 / 75
.~.~ Work means to move work axially and means to interrelate work movement with cutter rotation

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

64  DF  MILLING {29}
65  DF  .~ Thread or helix generating {9}
75.~.~ Work means to move work axially and means to interrelate work movement with cutter rotation

DEFINITION

Classification: 409/75

With means to move work axially and means to interrelate work movement with cutter rotation:

(under subclass 65) Apparatus including means to cause the cutting tool to turn about an axis and including means to displace the workpiece relative to the cutting tool along the axis of the workpiece; also including means to cause the cutting tool to rotate a prescribed number of revolutions for a prescribed amount of axial displacement.