US PATENT SUBCLASS 280 / 499
.~.~.~.~ Vertical pivot and spaced horizontal guide

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

29  DF  WHEELED {21}
400  DF  .~ Articulated vehicle {30}
495  DF  .~.~ Vehicle mounting or clamp {5}
498  DF  .~.~.~ Pivoted {1}
499.~.~.~.~ Vertical pivot and spaced horizontal guide

DEFINITION

Classification: 280/499

(under subclass 498) Devices in which the draft member is connected to the vehicle by a pivot, the axis of which is vertical, and the vehicle is provided a horizontal track or guide spaced from the pivot and engaging the draft member to guide the movement of the member in a horizontal plane.

SEE OR SEARCH THIS CLASS, SUBCLASS:

447, for hitches on which the draft member has its bearing on a horizontal track or guide and travels freely thereon as the leading vehicle turns.

467+, for devices wherein the draft element is adjustably secured to a horizontally extending bar or guide to change the lateral position of the trailing vehicle with respect to the leading vehicle.