US PATENT SUBCLASS 409 / 317
.~ With means to relatively infeed cutter and work

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

288  DF  PLANING {14}
317.~ With means to relatively infeed cutter and work {6}
318  DF  .~.~> And means to rotate work and cutter at same rate about converging axes
319  DF  .~.~> With plural sequentially acting cutters or with double acting cutter
320  DF  .~.~> And means to vary rate of infeed
321  DF  .~.~> Reciprocating work infeed means {4}
326  DF  .~.~> Reciprocating cutter infeed means {3}
336  DF  .~.~> Including means causing return stroke

DEFINITION

Classification: 409/317

With means to relatively infeed cutter and work:

(under subclass 288) Apparatus including structure to cause the approach of the cutting tool and the workpiece, which approach causes the shaping operation to be effected.