US PATENT SUBCLASS 172 / 279
.~ Implement part interconnected with motor vehicle steering means

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

278  DF  WITH WHEEL STEERING OR ACTUATOR FOR HORIZONTALLY ANGLING WHEEL AXIS {3}
279.~ Implement part interconnected with motor vehicle steering means {2}
280  DF  .~.~> Implement wheel steered
281  DF  .~.~> Transverse tool bar laterally shiftable

DEFINITION

Classification: 172/279

(under subclass 278) Apparatus in which the steering means is for steering a wheel of a self-propelled vehicle and is connected to an earth working device by a linkage so that movement of the steering means causes movement of a part of the earth working device relative to other parts or a movement of the earth working device with respect to the vehicle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

255, for means interconnected with a steering means for moving an implement vertically responsive to turns.

282, for an implement having an articulated connection with a propulsion means, the implement having a ground wheel which turns on turning movement of the propulsion means due to a connection with the propulsion means itself rather than a connection with the steering linkage of the propulsion means.