Land vehicles – Wheeled – Articulated vehicle
Patent
1996-02-09
1998-03-03
Ellis, Christopher P.
Land vehicles
Wheeled
Articulated vehicle
2804161, 172248, B60D 100
Patent
active
057226784
ABSTRACT:
A coupling device for connecting a trailer to a towing vehicle is provided. The coupling comprises a drawbar with a first drawbar eye having a first inner diameter, and at least a second drawbar eye having a second inner diameter. A coupling pin of a coupling element on a towing vehicle is adapted to be stucked through one of the two drawbar eyes for coupling the drawbar to the trailer coupling element. The drawbar is adapted to be pivoted by means of a swivel-joint and to swivel in a horizontal plane about at least 180.degree., and to be secured to said coupling. Further, the trailer coupling element comprises, at its free end, two horizontal legs arranged one upon another between which the drawbar is pivoted, and at least one releasable locking pin is provided being stucked through the two legs and through one of the two drawbar eyes located between the legs for locking the drawbar at the forked drawbar (FIG. 2 ).
REFERENCES:
patent: 2805082 (1957-09-01), Erickson
patent: 2918310 (1959-12-01), Carson
patent: 2968494 (1961-01-01), Klouda
patent: 3066952 (1962-12-01), Price
patent: 3243200 (1966-03-01), Roenfeldt
patent: 4022490 (1977-05-01), Rocksvold
patent: 5193625 (1993-03-01), Goll
patent: 5560630 (1996-10-01), Phares et al.
Ellis Christopher P.
Hamrick Claude A. S.
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