Rail-highway semi-trailer

Details Rail-highway semi-trailer Rail-highway semi-trailer

B - Operations, Transporting

60

F

104/33.11

B60F 1/00 (2006.01) B60F 1/04 (2006.01) B61D 3/18 (2006.01)

Patent

CA 1094886

RAIL-HIGHWAY SEMI-TRAILER ABSTRACT OF THE DISCLOSURE A semi-trailer having over-the-road or highway running gear with rubber tired wheels and a rail wheel-set axle unit or bogie, the body being supported upon said highway running gear and upon said railroad bogie independently by air spring means associated with the rail wheel-set axle unit and with the highway running gear and means to alternately raise and lower the highway running gear and railroad bogie for selective use in the railroad mode or highway mode of travel, the semi-trailers being couplable end-to-end to form a train of multiple semi-trailers in the rail- road mode of travel. The highway running gear may be of the single axle or the tandem axle type, in each case each axle carrying dual sets of tires of conventional size allowing loads as high as legally permitted to be carried over the road in the highway mode of travel, the railroad bogie having a single axle wheel set of approximately 60,000 lb. capacity.

304429

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