Land vehicles – Wheeled – Articulated vehicle
Patent
1987-03-12
1988-02-16
Love, John J.
Land vehicles
Wheeled
Articulated vehicle
280492, 280494, 172248, 172677, B60D 100
Patent
active
047250682
ABSTRACT:
A convertible towing hitch which is used to tow a farm implement with a vehicle includes a U-shaped planar member. This planar member has a central connecting leg, a first extending leg, and a second extending leg. A two-way pivot alowing two degrees of rotational freedom is attached at a free end of the first extending leg and to the implement. The two-way pivot allows pivoting an axis perpendicular to the plane of the U-shaped ember and about an axis parallel to the first, extending leg. An attachment device is also provided for removabley attaching the U-shaped to a bar pulled by the vehicle. The attachment device is mounted for rotational movement about an axis parallel to the connecting leg at a free end of the second extending leg. Preferably, the attachment device is located in the open area of the U-shaped member and an extension is provded of the connected leg extendng away from the second extending leg. At the end of the extension, a second attachment device is provided for removably attaching the U-shaped member to a second vehicle. When attached to the second vehicle, the elements of the farm implement are raised-while in the position where the first-mentioned attachment device is used, the work implements are lowered. A flange on the first extending leg is further provided to lock the two-way pivot against rotation about the axis perpendicular to the plane of the U-shaped member when the towing hitch is used in the raised position.
REFERENCES:
patent: 1934141 (1933-11-01), Prentice
patent: 2027499 (1936-01-01), Tully
patent: 2937886 (1960-05-01), Poole
patent: 3680892 (1972-08-01), Olthoff et al.
patent: 3730557 (1973-05-01), Cox
patent: 3951435 (1976-04-01), Greatbach
patent: 4015549 (1977-04-01), Brown, Jr.
patent: 4433853 (1984-02-01), Swaim
Taylor Chauncey D.
Taylor David S.
Diederiks, Jr. Everett G.
Hydrapak Corporation
Love John J.
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