US PATENT SUBCLASS 172 / 799
.~ Specific means for horizontally angling wheel relative to vehicle frame


Current as of: June, 1999
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172 /   HD   EARTH WORKING

781  DF  SCRAPER BETWEEN FRONT AND REAR GROUND SUPPORTS OF VEHICLE {12}
799.~ Specific means for horizontally angling wheel relative to vehicle frame


DEFINITION

Classification: 172/799

(under subclass 781) Apparatus comprising a means to change the horizontal angular direction of the axis of rotation of a ground wheel relative to the vehicle frame which extends between the the front and rear ground supports (e.g., for steering the vehicle, etc.), the means being claimed with some specificity.

(1) Note. Means for changing the direction of a freely swiveling caster by swinging the vehicle are not included. There must be some means for positively causing the wheel to turn with respect to the vehicle.