US PATENT SUBCLASS 180 / 24.01
.~.~ Having tandem steerable or translatable wheels or wheel sets

Current as of: June, 1999
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180 /   HD   MOTOR VEHICLES

21  DF  SPECIAL WHEEL BASE {6}
22  DF  .~ Five or more wheels {12}
24.01.~.~ Having tandem steerable or translatable wheels or wheel sets

DEFINITION

Classification: 180/24.01

(under subclass 22) Apparatus in which one of the wheels is positively moved by external means for guiding the vehicle and in which one other wheel longitudinally spaced in the direction of travel of the vehicle being either positively and simultaneously moved for steering the vehicle or movably mounted to vehicle structure to move incident to a steering movement of the vehicle.