US PATENT SUBCLASS 180 / 236
.~.~ In a path of travel other than that produced by turning the front wheels and the rear wheels substantially equally and oppositely

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}
236.~.~ In a path of travel other than that produced by turning the front wheels and the rear wheels substantially equally and oppositely

DEFINITION

Classification: 180/236

In a path of travel other than that produced by turning the front wheels and the rear wheels substantially equally and oppositely:

(under subclass 234) Vehicle wherein the means for repositioning the wheels is controllable in such a manner as to cause the vehicle to assume a course which is different from that obtainable by the usual practice of turning the front wheels in one direction and the rear wheels in the opposite direction and to more or less the same extent.

(1) Note. Exemplary of the controllability of the repositioning means are: (a) restricting it to operating on fewer than all of the wheels; (b) causing it to turn the front wheels to either a greater or a lesser degree than the rear wheels, or vice versa; and (c) causing it to turn all of the wheels in the same direction (i.e., to make the vehicle move laterally or with a lateral component).