US PATENT SUBCLASS 172 / 289
.~.~.~ Transversely aligned stub shafts

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}
286  DF  .~ Wheel on non-propelled device {4}
288  DF  .~.~ Plural interconnected relatively movable wheels {1}
289.~.~.~ Transversely aligned stub shafts

DEFINITION

Classification: 172/289

(under subclass 288) Apparatus in which there are two wheels each of which is mounted on its individual axle and wherein the axles are aligned transversely of the implement and are interconnected for concurrent movement.