US PATENT SUBCLASS 280 / 444
.~.~.~.~ Drawbar pivoting

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

29  DF  WHEELED {21}
400  DF  .~ Articulated vehicle {30}
442  DF  .~.~ Wheel steering by articulative movement {1}
443  DF  .~.~.~ Stub axle {1}
444.~.~.~.~ Drawbar pivoting {1}
445  DF  .~.~.~.~.~> With steering disabling means

DEFINITION

Classification: 280/444

(under subclass 443) Devices in which there is provided a vertical pivotal connection between the vehicle and draft member and the wheels of said vehicle are connected to the draft member and swing on their individual axles in response to horizontal turning of the draft member about the vertical pivot.

SEE OR SEARCH THIS CLASS, SUBCLASS:

103, for vehicles having wheels mounted on stub axles which are turned in response to pivoting of a draft member, articulated vehicles not being claimed.

124.12, for a resilient, shock absorbing vertical pivot axis mounted axle or axle assembly including a draft attachment which is neither claimed or solely disclosed as a handle nor claimed in combination with plural interconnected vehicles.

137.501, for a turnable axle lacking resilient, shock absorbing means including a draft attachment which is neither claimed or solely disclosed as a handle nor claimed in combination with plural interconnected vehicles.