US PATENT SUBCLASS 180 / 253
.~ Steerable wheel has exclusive axis of pivot (i.e., stub-axle type)

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

252  DF  HAVING AT LEAST ONE WHEEL BOTH DRIVEN AND STEERABLE {4}
253.~ Steerable wheel has exclusive axis of pivot (i.e., stub-axle type) {1}
254  DF  .~.~> Including flexible, axially rotatable means having one portion fixed to vehicle and another portion pivotable with wheel for transmitting drive thereto {5}

DEFINITION

Classification: 180/253

Steerable wheel has exclusive axis of pivot (i.e., stub-axle type):

(under subclass 252) Vehicle wherein any steerable wheel thereof has an axis of pivot which is separate and distinct from that of any other such wheel.

(1) Note. "Stub-axle" is the art term ordinarily associated with a pivotable wheel mounting of the kind described.

(2) Note. See (1) Note of subclass 252 above.

SEE OR SEARCH THIS CLASS, SUBCLASS:

13, as explained in the reference to subclasses 12+ appearing in subclass 252 above, and with the further limitation that the frame is supported by a single wheel (i.e., a wheel of the stub-axle type).

24, as explained in the reference to subclasses 23+ appearing in subclass 252 above, and with the further limitation that any driven and steered wheel is a wheel of the stub-axle type.

37+, 211+, 222, and 223+, as explained in subclass 252 above, and with the further observation that a driven and steered wheel of the kind found in these subclasses may be, especially in subclasses 211+, 222, and 223+, of the stub-axle type.

447, for a motor vehicle having a steering gear which is provided with power assist of a mechanical nature and wherein the steerable wheel or wheels, while not driven, may be of the stub-axle type.

SEE OR SEARCH CLASS

280, Land Vehicles,

124.125+, for a general utility wheeled land vehicle suspension arrangement for separately supporting a wheel upon an individual stub axle which wheel may or may not be steerable.