US PATENT SUBCLASS 318 / 570
.~.~.~ Contouring systems

Current as of: June, 1999
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318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

560  DF  POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) {23}
567  DF  .~ Program- or pattern-controlled systems {3}
569  DF  .~.~ Digital or numerical systems {1}
570.~.~.~ Contouring systems {4}
571  DF  .~.~.~.~> With "feed-rate" control
572  DF  .~.~.~.~> With "zero-offset" or tool radius correction
573  DF  .~.~.~.~> With interpolating means
574  DF  .~.~.~.~> Multiple axes point to point systems

DEFINITION

Classification: 318/570

(under subclass 569) Subject matter in which motion of a member along two or more axes is controlled simultaneously to provide a continuous predetermined path along which the member is directed.