US PATENT SUBCLASS 280 / 405.1
.~.~ Load distribution adjustment

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

29  DF  WHEELED {21}
400  DF  .~ Articulated vehicle {30}
405.1.~.~ Load distribution adjustment {3}
406.1  DF  .~.~.~> Plural connections {1}
407  DF  .~.~.~> Adjustable connection to leading vehicle
407.1  DF  .~.~.~> Semitrailer type

DEFINITION

Classification: 280/405.1

Load distribution adjustment:

(under subclass 400) Vehicles in which (a) the trailing vehicle is unbalanced, the leading vehicle sustaining a vertical load as a result thereof, and wherein means are provided for selectively adjusting the proportion of the trailer load sustained by the leading vehicle and trailer running gear or for adjusting the point of load application longitudinally of the leading vehicle, or (b) the connection between the vehicles is such that the leading vehicle sustains a draft load having a vertical component and selectively adjustable means are provided to vary the longitudinal location of the point of application of the vertical component of the draft load.

(1) Note. This subclass includes devices wherein a dolly or wheels are provided between the leading and trailing vehicle and means are provided to adjust the proportion of the trailer weight sustained by the dolly and leading vehicle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

86.5, for a general utility wheeled land vehicle including an auxiliary axle assembly.

476.1, for a mere dolly acting as a wheeled draft connection.

SEE OR SEARCH CLASS

180, Motor Vehicles,

24.02, for a vehicle of that class (Class 180) having five or more wheels and provided with movable running gear for shifting or proportioning load; or subclass 209 for a vehicle having a special wheel base as defined in Class 180, subclass 21, which further includes means for changing the number or position of supporting wheels.