Land vehicles – Wheeled – Articulated vehicle
Patent
1993-01-25
1993-11-09
Hill, Mitchell J.
Land vehicles
Wheeled
Articulated vehicle
280402, B60D 100
Patent
active
052596397
ABSTRACT:
A system is disclosed for towing a pair of four wheel vehicles having handlebars for steering, e.g. an ATV, behind a van or other tractor vehicle. Such system includes an elongated tow bar that carries first and second hitchballs on its end portions. For each towed vehicle, there is a hitch unit with a cuplike forward end that rotatably engages a hitchball so that the hitch unit can be pulled forward by the hitchball while being free to oscillate behind it. The hitch units are fastened to the front ends of the four wheel vehicles and spring members are connected to each left and right handlebars of the four wheeled vehicle being towed to elastically bias them into the position that causes the respective the four wheel vehicle to move straight ahead, but momentarily allows the front wheels to momentarily move out of such position to enable the towed vehicle to accommodate itself to turning movements made by the tractor vehicle.
REFERENCES:
patent: 1581515 (1926-04-01), Coolican
patent: 1887202 (1932-11-01), Hess
patent: 1949962 (1934-03-01), Hess
patent: 2280734 (1942-04-01), Tyler
patent: 2329525 (1943-09-01), Garrison
patent: 3979137 (1976-09-01), Lipscomb, Jr. et al.
Hill Mitchell J.
Palmer Carroll F.
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