Double trailer assembly

Details Double trailer assembly Double trailer assembly

B - Operations, Transporting

62

D

B62D 53/00 (2006.01) B60P 3/40 (2006.01)

Patent

CA 2568964

A double trailer assembly for supporting elongate loads includes a lead trailer frame connected to a highway truck tractor and a pup trailer frame connected to the lead trailer frame. A lead swivel bunk supports the front end of the load on the lead trailer frame on lead wheels and a pup swivel bunk supports the rear end of the load on the pup trailer frame on pup wheels. The lead swivel bunk is slidable together with the lead wheels relative to the lead frame while the pup swivel bunk is slidable together with the pup wheels relative to the pup frame for adjusting wheelbase of the lead trailer for optimising handling at highway speeds, traction, load distribution or tracking of the trailers during low speed cornering for example. Relative sliding between the lead swivel bunk, the lead wheels and the lead trailer frame can be selectively restricted at a selected relative positioning therebetween.

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