(under the class definition) Subject matter including an adjustment device consisting of a wheel carriage with a support arm and coupling means having a pair of plate members or similar structure to assist in correcting the proper relative position of the endless ground engaging band.
SEE OR SEARCH THIS CLASS, SUBCLASS:
153, for a longitudinally adjustable means for tensioning track.
SEE OR SEARCH CLASS
180, Motor Vehicles,
9.38, for a portable endless track with a ground wheel having a steering mechanism; subclass 9.52 for an adjustable track support mounted for vertical movement.
198, Conveyors: Power-Driven,
806, for a revolvable means engaging a carrier belt face automatically to correct belt training deviation. [figure] [caption]A - Sprocket wheel; B - Drive axle; C - Endless chain; D - Hub; E - Outer rim; F - Web; G - Teeth; H - Sides of teeth; J - Root face region; K - Relief cutouts; L - Bushing