Patent ID: 6158759
Filing Date: 2000-12-12
Classification: B62D

Abstract:
Apparatus for steering a wagon comprising:a. a pair of steering wheels turnable on respective kingpins that are rotatable in a wagon frame;b. a tongue pivotable on the wagon frame in response to a steering force exerted on the tongue;c. tie rod means for rotating the kingpins to steer the wagon steering wheels in response to pivoting the tongue, wherein the tie rod means comprises an arm on each kingpin that rotates therewith; andd. control means for providing a selected resistance to pivoting the tongue, the control means comprising means for introducing friction between the wagon frame and at least one kingpin arm in response to the steering force exerted on the tongue, wherein the means for introducing friction comprises:i. a transfer plate fixed to said at least one kingpin arm for rotation therewith; andii. stabilizer means for producing friction between the wagon frame and the transfer plate in response to the steering force exerted on the tongue.