US PATENT SUBCLASS 280 / 434
.~.~.~.~ Self-coupling

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

29  DF  WHEELED {21}
400  DF  .~ Articulated vehicle {30}
423.1  DF  .~.~ Semitrailer {7}
433  DF  .~.~.~ Fifth wheel only {2}
434.~.~.~.~ Self-coupling {2}
435  DF  .~.~.~.~.~> Double pivoted jaws {1}
437  DF  .~.~.~.~.~> Transverse horizontal pivot retainer

DEFINITION

Classification: 280/434

(under subclass 433) Devices in which the connecting means carried by the two vehicles assume a coupled or connected relationship as a result of movement of one vehicle toward the other in a horizontal plane, requiring no manual manipulation at the time of making the connection.

SEE OR SEARCH THIS CLASS, SUBCLASS:

508+, for self-coupling connections between articulated vehicles other than the semitrailer type.