Land vehicles – Wheeled – Articulated vehicle
Patent
1982-03-03
1984-01-24
Pekar, John A.
Land vehicles
Wheeled
Articulated vehicle
B60D 106
Patent
active
044272120
ABSTRACT:
The invention relates to an arrangement for detachable coupling of a trailer equipped with pivoting wheels to a ball hitch of a vehicle. At the forward end of the trailer there is a coupling receptacle to receive the ball hitch and a locking member to lock the ball hitch in the coupling receptacle. In order to prevent the trailer from rotating about a vertical axis through the ball hitch two opposing stops are fitted at the forward end of the trailer at such a distance from each other in the lateral direction that when the trailer is coupled to the ball hitch of the vehicle the stops bear against corresponding opposing stop faces at the rear end of the vehicle.
REFERENCES:
patent: 2678222 (1954-05-01), Payzant
patent: 3114564 (1963-12-01), Ulvestad
patent: 4154454 (1979-05-01), Lewin
Levaaho Veikko
Poltto Esko K.
Blank Charles A.
Esko Poltto Oy
Pekar John A.
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