US PATENT SUBCLASS 409 / 77
.~.~.~ Means to infeed the cutter

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}
76  DF  .~.~ With means to rotate work and means to interrelatedly infeed the work relative to the cutter {1}
77.~.~.~ Means to infeed the cutter

DEFINITION

Classification: 409/77

Means to infeed the cutter:

(under subclass 76) Apparatus wherein the means to cause relative approach of the cutting tool and the workpiece acts on the cutting tool so that it also moves relative to the base of the apparatus.