Land vehicles – Wheeled – Articulated vehicle
Patent
1996-06-25
1997-09-09
Johnson, Brian L.
Land vehicles
Wheeled
Articulated vehicle
2804601, 280475, 2807631, 280789, 254333, 254418, B62D 6306, B60S 902
Patent
active
056647964
ABSTRACT:
A vehicle extender is connected to a towing vehicle by way of a towing beam bolted to the normal tow hitch and presenting two ball and socket joints so that the vehicle extender can pitch upwardly and downwardly but cannot yaw from left to right nor roll clockwise or anti-clockwise relative to the vehicle. The vehicle extender has a single castor mounted wheel set so located that even in reversing mode in which by castor action the wheel set swivels to a forward located position the center of gravity of a load in the vehicle extender such as sand still remains forwardly of the horizontal axis of rotation of the wheels of the wheel set providing for security and stability in use. The vehicle extender is very adaptable to different applications.
REFERENCES:
patent: 3164275 (1965-01-01), Schatzl et al.
patent: 3877714 (1975-04-01), Black
patent: 4230340 (1980-10-01), Wasservogel
patent: 4294429 (1981-10-01), Desplats
patent: 4372569 (1983-02-01), Otterson
patent: 4426097 (1984-01-01), Livingston
patent: 4515394 (1985-05-01), Zwick
patent: 4645230 (1987-02-01), Hammons
patent: 5397148 (1995-03-01), Nelson
Johnson Brian L.
Johnson Victor E.
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