US PATENT SUBCLASS 409 / 89
.~.~.~.~ Pivotally supported for vertical movement

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

64  DF  MILLING {29}
79  DF  .~ With regulation of operation by templet, card, or other replaceable information supply {7}
85  DF  .~.~ Reproducing means {6}
86  DF  .~.~.~ Including pantograph cutter-carrier {4}
89.~.~.~.~ Pivotally supported for vertical movement

DEFINITION

Classification: 409/89

(under subclass 86) Pivotally supported for vertical movement: Apparatus wherein the four rigid links are attached to the apparatus so that during operation the cutting tool and the follower are directed to move in a vertical plane.