Train of highway trailers and method of making

Abstract From the Canadian patent

Novel highway trailers can be mounted on railtruck assemblies to form a train of highway trailers the railtruck assem-, blies including a conventional railtruck which supports a novel intermodal adaptor. The novel highway trailers include a forwardly extending tongue and coupling structure at the rear to which may be secured the tongue of a following trailer and the intermodal adaptor of a railtruck assembly. The intermodal adaptor is mounted on the center plate bowl of the bolster of the railtruck. The adaptor includes locating means adapted to be received within the coupling structure of a leading highway trailer, which locating means permits the leading highway trailer and intermodal …