US PATENT SUBCLASS 409 / 118
.~.~.~ Including simultaneously usable plural tracers or including tracer adapted to simultaneously use plural templets

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}
117  DF  .~.~ Including means for operation without manual intervention {4}
118.~.~.~ Including simultaneously usable plural tracers or including tracer adapted to simultaneously use plural templets {1}
119  DF  .~.~.~.~> To make a double curvature foil

DEFINITION

Classification: 409/118

Including simultaneously usable plural tracers or including tracer adapted to simultaneously use plural templets:

(under subclass 117) Apparatus including either (a) multiple followers adapted to ride over the form of the pattern member or (b) provision to use multiple pattern members, wherein the cutting tool is caused to move relative to the workpiece and yield a product that is the result of neither a follower nor a pattern member individually, but is the result of two followers or of two pattern members collectively.