US PATENT SUBCLASS 280 / 456.1
.~.~ Plural or laterally adjustable connections

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

29  DF  WHEELED {21}
400  DF  .~ Articulated vehicle {30}
456.1.~.~ Plural or laterally adjustable connections {7}
457  DF  .~.~.~> Auxiliary safety connection
458  DF  .~.~.~> With crossed connections
459  DF  .~.~.~> Auxiliary tracking connection
460.1  DF  .~.~.~> Laterally spaced parallel connections
461.1  DF  .~.~.~> Vertically spaced connections
462  DF  .~.~.~> Angularly adjustable trailer tongue {1}
467  DF  .~.~.~> Laterally or angularly adjustable vehicles {1}

DEFINITION

Classification: 280/456.1

Plural or laterally adjustable connections:

(under subclass 400) Vehicles wherein there is provided (a) a plurality of distinct connections between a pair of articulated vehicles, or (b) a connection between the vehicles whereby the trailing vehicle or its draft connection, including that part mounted on the leading vehicle, can be selectively secured in or positively shifted to plural positions at least one of which is offset from or at a horizontal angle to the center line of the leading vehicle.

(1) Note. A connection between two vehicles includes a connection directly between the vehicles or between structure rigid with the vehicles (including a rigidly mounted draft bar) and such connection need not be secured to each vehicle, but may merely engage therewith such as in a vertical load bearing relationship.

SEE OR SEARCH THIS CLASS, SUBCLASS:

442+, for plural connections between articulated vehicles

wherein one of the connections serves to steer the trailer wheels in response to articulative movement.

472, for nonadjustable, laterally offset vehicles.