B - Operations – Transporting – 60 – F
Patent
B - Operations, Transporting
60
F
B60F 1/04 (2006.01) B61D 3/18 (2006.01)
Patent
CA 2159102
A retractable intermodal vehicle (10) for supporting and connecting modified semitrailers (11) end-to-end to form a train of trailers capable of being operated on a railroad track (72); the semitrailers arc also able to be operated on a highway as regular semitrailers. In the preferred embodiment, the intermodal vehicle (10) is comprised of two lower frames (12), with a wheel/axle assembly (18) mounted to each, and each pivoted from and supporting a single upper frame assembly (14), the pivoting of these lower frames providing a limited steering of the rail axles relative to the upper frame. Inflatable air springs (22) are mounted between the lower frames (12) and upper frames (14) to allow each upper frame to be raised and lowered. The upper frame assemblies include a gravity load carrying structure (140) for supporting one end of a superimposed trailer, a coupler body (104), each containing a coupler tongue (116), the tongue being arranged to enter a complementary coupler tongue receiving socket (120) at either end of the superimposed trailer; and an upwardly movable coupling pin (134), each pin capable of being raised to enter concentric apertures in a coupler tongue and a complementary trailer mounted socket to effect a coupling between these elements, and each pin being capable of being lowered to permit the withdrawal of the coupler tongue from the trailer socket.
Mbm & Co.
Wicks Harry O.
LandOfFree
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