US PATENT SUBCLASS 280 / 463
.~.~.~.~ With actuator

Current as of: June, 1999
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280 /   HD   LAND VEHICLES

29  DF  WHEELED {21}
400  DF  .~ Articulated vehicle {30}
456.1  DF  .~.~ Plural or laterally adjustable connections {7}
462  DF  .~.~.~ Angularly adjustable trailer tongue {1}
463.~.~.~.~ With actuator {1}
464  DF  .~.~.~.~.~> Gearing {2}

DEFINITION

Classification: 280/463

(under subclass 462) Devices in which means are provided which operate to move the draft member from one adjusted position to another.

(1) Note. Devices in which the tongue is moved from one position to another merely by direct manual manipulation thereof, with no mechanical advantage, are not included in

this and indented subclasses.

SEE OR SEARCH THIS CLASS, SUBCLASS:

468+, for articulated vehicles which are laterally or angularly adjustable and having an actuator to effect the adjustment.

SEE OR SEARCH CLASS

172, Earth Working, 324+, for an earth working apparatus comprising a trailing ground supported frame with an actuator for moving the tongue of the trailing means laterally.