B - Operations – Transporting – 60 – F
Patent
B - Operations, Transporting
60
F
B60F 1/04 (2006.01)
Patent
CA 2499611
A semitrailer (1) includes a road wheel (5) and is coupled to a traction vehicle (2) via a pivotal axle, e.g. of the "turntable"/"kingpin" type. To enable the semitrailer to be driven along a railroad track, the semitrailer is provided with a rail-wheel unit (8) behind the road wheels (5) and with a front rail-wheel unit (7) behind the articulatory axle (10). When the semitrailer is driven on a road surface, both of said rail-wheel units are lifted away from said surface, but can be lowered in turn onto a railroad track so as to lift the road wheels (5) away and to enable the trailer to be disconnected from the traction vehicle so that the semitrailer, disconnected from the traction vehicle, can be driven along the rails of a railroad track. One of the rail-wheel units (7, 8) may be provided with drive means for driving the semitrailer along the rails of a railroad track. Alternatively, the semitrailer can be coupled to a drive vehicle for this purpose. Several semitrailers may be coupled together to form a "train". The present invention also relates to a method of converting the semitrailer from a road-driving mode to a railroad-driving mode.
L'invention porte sur une semi-remorque (1) munie de roues pour route (5) relié à un véhicule tracteur (2) par l'intermédiaire d'un axe de pivotement par exemple du type pivot/plateau. Pour permettre au semi-remorque d'emprunter une voie ferrée, il comporte en outre un boggie (8) arrière muni de roues pour le rail situé derrière les roues de route, et un boggie (8) avant muni de roues pour le rail et situé derrière l'axe d'articulation (10). Lorsque le semi-remorque roule sur route, lesdits boggies sont relevés et ne touchent pas la route, mais pour rouler sur une voie ferrée, ils sont abaissés sur la voie, ce qui relève les roues de route et détache la semi-remorque du véhicule tracteur, qui peut ainsi rouler librement sur la voie. L'un des boggies (7, 8) peut être muni d'un moyen de propulsion. En variante, il est possible d'accoupler plusieurs semi-remorques pour former un train. L'invention porte également sur le procédé de conversion une semi-remorque du mode route au mode rail.
Ab Sjoelanders Smides- Och Mekaniska Verkstad
Kirby Eades Gale Baker
LandOfFree
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