Trailer having gooseneck and bogie connected selectively to each other and to cargo unit

Claim 1

In apparatus for connecting a gooseneck drawbar and a bogie section selectively to each other and to a cargo unit with said drawbar having a forwardly extending portion adapted to be connected to the fifth wheel of a tractor and a depending rear portion, a. laterally spaced, rearwardly extending support arms secured to and projecting rearwardly from said depending rear portion of said drawbar with each rearwardly projecting arm tapering toward the rear end thereof, b. laterally spaced, forwardly extending support arms secured to and projecting forwardly from said bogie section of said trailer bed with each forwardly projecting arm tapering toward the forward end thereof, c. depending fore and aft pairs of transverse frame members, carried by front and rear under surfaces of said cargo unit with said frame members of each said pair being spaced from each other lengthwise of said cargo unit, d. there being aligned openings through said fore and aft pairs of transverse frame members for receiving said rearwardly extending support arms and said forwardly extending support arms respectively, with the openings in the innermost frame members being smaller than the openings in the outermost frame members so that said openings receive the tapered arms with a close fit, e. locking means detachably securing said rearwardly extending support arms and said forwardly extending support arms to said transverse frame members, and f. a connector member carried by said bogie section detachably connecting said forwardly extending support arms to said rearwardly extending support arms while said support arms are not connected to said transverse frame members.