MECHANISMS FOR COUPLING SEMI-TRAILERS TO TRACTORS

A mechanism for coupling a semi-trailer to a tractor comprises a fifth wheel mechanism mounted on the tractor and king pin means mounted on the semi-trailer, which mechanism and which means are arranged, after having been brought into coupling position, to be locked in said position by means of a lo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PETERSSON R,SW, HOLMBERG R,SW
Format:	Patent
Sprache:	eng
Schlagworte:	LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES PERFORMING OPERATIONS TRAILERS TRANSPORTING
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Beschreibung
Zusammenfassung:	A mechanism for coupling a semi-trailer to a tractor comprises a fifth wheel mechanism mounted on the tractor and king pin means mounted on the semi-trailer, which mechanism and which means are arranged, after having been brought into coupling position, to be locked in said position by means of a locking device which is operated by fluid pressure. Tracing of the coupling position between the fifth wheel mechanism and the king pin means is facilitated by means of a device which serves to raise and lower the fifth wheel mechanism and which is of the type that can be used to advantage as a spring for the spring suspension of the front end of the semi-trailer during driving.