.~ 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.
