US PATENT SUBCLASS 409 / 90
.~.~.~.~ And means to counterbalance carrier

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
90.~.~.~.~ And means to counterbalance carrier

DEFINITION

Classification: 409/90

And means to counterbalance carrier:

(under subclass 86) Apparatus including means to counteract and lift against the weight of the four rigid links joined in parallelogram form to cause the rigid links to function as if their weight has been reduced.