US PATENT SUBCLASS 409 / 320
.~.~ And means to vary rate of infeed


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

288  DF  PLANING {14}
317  DF  .~ With means to relatively infeed cutter and work {6}
320.~.~ And means to vary rate of infeed


DEFINITION

Classification: 409/320

And means to vary rate of infeed:

(under subclass 317) Apparatus including provision to cause the relative approach of the cutting tool and the workpiece during the shaping operation to be selectively at a first velocity or at a second velocity.

(1) Note. This subclass is not intended to include means to merely start and stop the infeed.