US PATENT SUBCLASS 180 / 237
.~.~ Comprising swingable, plural-wheel-carrying axles on individual, vertical axes of pivot

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

233  DF  HAVING FOUR WHEELS DRIVEN {7}
234  DF  .~ With means for steering all driven wheels {5}
237.~.~ Comprising swingable, plural-wheel-carrying axles on individual, vertical axes of pivot {2}
238  DF  .~.~.~> At least one axle being offset from its pivotable axis
239  DF  .~.~.~> Including longitudinally extending, endless element for transmitting drive to wheels

DEFINITION

Classification: 180/237

Comprising swingable, plural-wheel-carrying axles on individual, vertical axes of pivot:

(under subclass 234) Vehicle wherein the means for repositioning the wheels comprises two axles, each axle having a wheel at or adjacent each of its ends and being mounted for pivotable movement about a vertical axis, which axes do not coincide with one another.

SEE OR SEARCH THIS CLASS, SUBCLASS:

264+, 266 and 267, for motor vehicles of the steerable, driven wheel type which have two or more steerable wheels mounted upon a driven axle which is swingable about a substantially vertical axis.