US PATENT SUBCLASS 180 / 248
.~ With differential means for driving two wheel sets at dissimilar speeds


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

233  DF  HAVING FOUR WHEELS DRIVEN {7}
248.~ With differential means for driving two wheel sets at dissimilar speeds {1}
249  DF  .~.~> And means for locking out the differential means {1}


DEFINITION

Classification: 180/248

With differential means for driving two wheel sets at dissimilar speeds:

(under subclass 233) Vehicle provided with means which modifies the driving effort of the motor to the extent of causing it to drive one set of wheels (e.g., the front) at one speed and the other set (e.g., the rear) at another speed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

24.09, for a motor vehicle having a wheelbase comprising five or more wheels and wherein the drive means for the vehicle includes a power dividing means in the form of gearing for differentially driving each differential of a tandem pair of wheel drive axles.

76, for a device for allowing a driven wheel on one side of a vehicle to rotate at a different speed than the corresponding wheel on the other side of the vehicle.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism,

640+, for gearing, including gearing of the differential kind.

475, Planetary Gear Transmission Systems or Components, 220+, for planetary gear differentials.

477, Interrelated Power Delivery Controls, Including Engine Control, for interrelated control between a differential and a motor.