US PATENT SUBCLASS 280 / 86.5
.~.~ Auxiliary axle assembly (e.g., lift or tag axle)


Current as of: June, 1999
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280 /   HD   LAND VEHICLES

29  DF  WHEELED {21}
80.1  DF  .~ Running gear {20}
86.5.~.~ Auxiliary axle assembly (e.g., lift or tag axle)


DEFINITION

Classification: 280/86.5

Auxiliary axle assembly (e.g., lift or tag axle):

(under subclass 80.1) Subject matter wherein the vehicle includes a selectively employed supplemental running gear unit to assist primary running gear units when transporting an extra heavy or oversize load.

(1) Note. The supplemental running gear unit must be movable between a use and nonuse position upon the vehicle, not merely an additional running gear unit such as commonly known tandem axles or wheels.

SEE OR SEARCH THIS CLASS, SUBCLASS:

6.157+, for a vehicle suspension provided with means for establishing riding or trim height which may or may not involve the deployment of an auxiliary axle.

9+, for a vehicle having both a wheel and runner provided with means for moving either the wheel or runner to an inoperative position.

28.16, for a runner equipped vehicle provided with an auxiliary runner structure.

104+, for a vehicle provided with means for transmitting weight from the running gear to the wheels on different axles in substantially equal proportion regardless of inequalities of the travelled surface. Conventionally known tandem axle and wheel arrangements are included in these subclasses.

149.2, for a vehicle having longitudinally shiftable running gear. 405.1+, for an articulated vehicle or vehicle train including means for selectively adjusting the proportion or the longitudinal placement of load application between the vehicle sections or the interconnected vehicles.

638+, for a vehicle constructed in such manner so as to allow the physical dimension of the vehicle, or a part thereof, to vary or change, especially subclasses 43+ for vertically adjustable wheels.

767, for a vehicle provided with an auxiliary or substitute wheel for assuming the weight of the vehicle when either the tires, wheels, or axles thereof are disabled for any reason.

SEE OR SEARCH CLASS

180, Motor Vehicles,

24.02, for a vehicle of that class (Class 180) having five or more wheels and provided with movable running gear for shifting or proportioning load; or subclass 209 for a vehicle having a special wheel base as defined in Class 180, subclass 21, which further includes means for changing the number or position of supporting wheels.