US PATENT SUBCLASS 172 / 281
.~.~ Transverse tool bar laterally shiftable

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  DF  .~ Implement part interconnected with motor vehicle steering means {2}
281.~.~ Transverse tool bar laterally shiftable

DEFINITION

Classification: 172/281

(under subclass 279) Apparatus wherein the portion of the device which is moved is an earth working element mounting means extending crosswise of the line of draft and movable relative to its support in an endwise direction.