US PATENT SUBCLASS 280 / 479.2
.~.~.~.~ Telescoping drawbar swingable on horizontal guide

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

29  DF  WHEELED {21}
400  DF  .~ Articulated vehicle {30}
477  DF  .~.~ Connection facilitating {1}
478.1  DF  .~.~.~ Draft element bodily shiftable {3}
479.2.~.~.~.~ Telescoping drawbar swingable on horizontal guide

DEFINITION

Classification: 280/479.2

Telescoping drawbar swingable on horizontal guide:

(under subclass 478.1) Vehicles where the drawbar or trailer tongue may elongate or retract as well as slide horizontally on a guide.

SEE OR SEARCH THIS CLASS, SUBCLASS:

479.3, for devices where the retraction is accompanied by forced centering.