Land vehicles – Wheeled – Articulated vehicle
Patent
1977-01-17
1978-07-11
Peters, Jr., Joseph F.
Land vehicles
Wheeled
Articulated vehicle
280475, 280515, B60D 114
Patent
active
040997391
ABSTRACT:
Apparatus for hitching mobile equipment, such as a towing vehicle and a towed vehicle, comprising a U-shaped locking member slidably mounted for lateral movement on the rearwardly extending draw bar of the towing vehicle. The draw bar is provided with a rearwardly opening slot that is adapted to receive therein a pin on the forward portion of the tongue connected to the vehicle to be towed. The rear leg of the U-shaped locking member is movable across the rearwardly opening slot in the draw bar to lock the tongue pin therein. The U-shaped locking member is biased to the closed or locking position by a spring, and a manually operable locking pin is movably mounted on the draw bar to releasably lock the U-shaped locking member in an open or a closed position. The tongue of the towed vehicle is provided with an elevator device comprising a tubular leg member pivotally mounted on the lower portion of the tongue, a threaded shaft slidably mounted within the tubular leg member, and a locking bracket for releasably locking the threaded shaft in a predetermined position relative to the tubular member for the purpose of adjusting the height of the tongue. The elevator device is pivotally movable to a down position for the purpose of maintaining the tongue in an elevated position for hitching purposes. After hitching is completed, a spring is provided to move the elevator device to an up position when the vehicles are moved forwardly.
REFERENCES:
patent: 1972423 (1934-09-01), Larson
patent: 2196115 (1940-04-01), Jacobson
patent: 3370817 (1968-02-01), Weber
N.B.F. Company, Inc.
Peters Jr. Joseph F.
Schrecengost R.
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