US PATENT SUBCLASS 280 / 81.6
.~.~.~ Self-steered trucks

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

29  DF  WHEELED {21}
80.1  DF  .~ Running gear {20}
81.1  DF  .~.~ Multiple truck {2}
81.6.~.~.~ Self-steered trucks

DEFINITION

Classification: 280/81.6

Self-steered trucks:

(under subclass 81.1) Vehicles in which the steering occurs in response to a deviation of the body from movement in a straight line to permit the trucks to turn for proper tracking.

SEE OR SEARCH THIS CLASS, SUBCLASS:

442+, for devices wherein the steering is due to an articulative linkage.