Title: Steering apparatus for a trailer vehicle

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Abstract: Steering apparatus for a trailer vehicle is disclosed providing preselected turning characteristics for the vehicle. A pair of wheel assemblies are mounted at the front of the vehicle and are each pivotal about an associated vertical axis. A tie member having a plate with a longitudinal slot formed therein extends between and connects the front wheel assemblies to provide for the simultaneous pivoting of the front wheel assemblies. A tow bar is pivotally connected to the vehicle between the front wheel assemblies and is provided with a pin that extends into the slot in the plate. During pivoting, the pin is displaced both transversely and longitudinally of the vehicle, but since the pin slides in the slot only the transverse component of displacement of the tow bar is transferred to the tie member. The steering apparatus operates to pivot the front wheel assemblies from the straight forward position through an increasing angle that decreases relative to the angle through which the tow bar is pivoted as the tow bar is pivoted from the straight forward position to an angled position.


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