US PATENT SUBCLASS 74 / 398
.~.~.~ Automatic control

Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

640  DF  GEARING {31}
395  DF  .~ Adjustable {2}
396  DF  .~.~ Relative movable axes {2}
398.~.~.~ Automatic control {1}
399  DF  .~.~.~.~> Parallel shafts

DEFINITION

Classification: 74/398

(under subclass 396) Gearing in which the gears or gear shafts are adjustable by automatic means.