Dual trailer with lifting wheels for transport when empty

Details Dual trailer with lifting wheels for transport when empty Dual trailer with lifting wheels for transport when empty

B - Operations, Transporting

62

D

B62D 61/12 (2006.01) B62D 53/04 (2006.01) B62D 53/08 (2006.01)

Patent

CA 2663344

A dual trailer has a first trailer with a king pin for a tractor and a rear fifth wheel for the king pin of a second trailer. The rear end of the first trailer and the front end of the second trailer is lifted into an empty transport position so that the first and second trailers are supported solely on the tractor and the rearmost axle of the second trailer. The remaining axles are held raised from the ground by the lifting of the trailers and by an individual lifting hook supporting the axle raised relative to the frame. In the empty transport position, the first and second trailers are maintained as a single integral trailer in a directly aligned position. Each axle includes an air bag so that the hook is engaged when the axle is raised relative to the frame by releasing the air from the bag.

Remorque double comportant une première remorque munie d'un pivot d'attelage pour le camion tracteur et d'une sellette arrière d'attelage pour la sellette d'une seconde remorque. Le train arrière de la première remorque et le train avant de la seconde remorque sont relevés à une position de transport à vide, de telle sorte que les deux remorques sont supportées uniquement par le camion tracteur et l'essieu arrière de la seconde remorque. Les autres essieux sont maintenus en position relevée par le levage des remorques et par un seul crochet de levage supportant l'essieu relevé par rapport au cadre. € la position de transport à vide, les deux remorques sont maintenues de manière à s'intégrer en une seule remorque en une position directement alignée. Chaque essieu comprend un sac gonflable, de telle sorte que le crochet est solidarisé lorsque l'essieu est relevé par rapport au cadre en laissant de l'air s'échapper du sac gonflable.

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