Land vehicles – Wheeled – Articulated vehicle
Patent
1996-06-04
1999-08-10
Mitchell, David M.
Land vehicles
Wheeled
Articulated vehicle
B60D 114
Patent
active
059346981
ABSTRACT:
A hitch support mechanism is positionable in a vertical direction to adjust for the hitch height of a trailing vehicle. The hitch support may be adapted to be removably attachable to a receiver fixed to a vehicle. The hitch support may be configured as a four-bar linkage in which a fixed link is secured by a trunnion to the receiver of a towing vehicle. A translating link may support directly attachment of a hitch, such as a ball hitch. Two rotating links, spaced from one another may extend parallel to one another. The rotating links connect the fixed link to the translating link. The rotating links each rotate about a respective axle, remaining parallel with respect to one another. An adjustment mechanism may fix the relative position of the translating link with respect to the fixed link. A system of apertures and a pin may provide a very compact adjustment mechanism, resulting in a light weight and compact envelope for the hitch support.
REFERENCES:
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patent: 3664686 (1972-05-01), Anderson
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patent: 4033601 (1977-07-01), Lindahl et al.
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patent: 5375867 (1994-12-01), Kass et al.
patent: 5413366 (1995-05-01), Gibbons
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