Land vehicles – Wheeled – Articulated vehicle
Patent
1979-02-12
1981-04-07
Pekar, John A.
Land vehicles
Wheeled
Articulated vehicle
280103, 280515, B60D 102, B62D 1304
Patent
active
042601746
ABSTRACT:
A hitch apparatus for a towed vehicle having a frame and steerable front wheels includes an elongated tongue connected to the frame for pivotal movement about a horizontal axis. A coupling adapted for rigid connection to a towing vehicle is pivotally connected to the forward end of the tongue for pivotal turning movement about an upright axis. An elongated steering rod is pivotally connected at one end to the coupling and pivotally connected at the other end to a mechanism for steering the front wheels in unison in response to pivotal turning movement of the coupling. A load transfer mechanism includes spring bias means interconnecting the tongue and frame for biasing the tongue downwardly relative to the frame to transfer some of the load from the front wheels to the towing vehicle. The coupling includes a pin connection to the drawbar of a towing vehicle for fore and aft travel movement therewith and a clamp connection for securing the coupling and drawbar for pivotal steering movement in unison.
REFERENCES:
patent: 1174441 (1916-03-01), Pennington
patent: 2411009 (1946-11-01), Slimp
patent: 3876240 (1975-04-01), Watson
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