Self-steering trailer

Details Self-steering trailer Self-steering trailer

1996-12-13

1999-02-23

Johnson, Brian L.

Land vehicles

Wheeled

Articulated vehicle

280442, 280 99, B62D 1200, B62D 1304

Patent

active

058735925

ABSTRACT:
A trailer assembly to be drawn by a towing vehicle is provided. The trailer assembly includes a frame having a front end, a rear end, and a central axis. A tongue has one end attached to the frame front end, the other end of the tongue is adapted for removable attachment to a towing vehicle for drawing the trailer. A pair of steerable front wheels cooperate with the frame front end on opposite sides of the central axis. The front wheels are retained by front wheel supports which are pivotally attached to the frame about a steering axis. Each front wheel has an axis of rotation offset from its steering axis to allow self-steering of the front wheels. A pair of steerable rear wheels cooperate with the frame and are mounted by rear wheel supports. A steering mechanism connects the front wheels to the rear wheels so as to mutually steer the rear wheels when the front wheels self-steer in response to the trailer being drawn by the towing vehicle. The rear wheels steer in a direction opposite that of the front wheels. The trailer may drawn by the towing vehicle by direct attachement of the trailer front hitch to the towing vehicle, or by connection in a train of trailer assemblies.

REFERENCES:
patent: 1723085 (1929-08-01), Sippel
patent: 2255525 (1941-09-01), Kline et al.
patent: 3820811 (1974-06-01), Lapham
patent: 4244596 (1981-01-01), Chung
patent: 4934726 (1990-06-01), Daenens et al.
patent: 5090719 (1992-02-01), Hanaoka

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