US PATENT SUBCLASS 280 / 494
.~.~.~.~ Horizontal pivot with vertical or universal pivots

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

29  DF  WHEELED {21}
400  DF  .~ Articulated vehicle {30}
492  DF  .~.~ Plural articulation axes {1}
493  DF  .~.~.~ Tow bar {1}
494.~.~.~.~ Horizontal pivot with vertical or universal pivots

DEFINITION

Classification: 280/494

(under subclass 493) Devices wherein the tow bar is connected to one of the vehicles by a horizontal axis pivot only and is connected to the other vehicle by a vertical axis pivot or universal joint.