TRACTOR-TRAILER COMBINATION CONNECTED FOR MANEUVERABILITY AS A UNI ASSEMBLY

摘要

The invention includes a tractor and a trailer wherein the tractor is provided with front and rear hitch members and the trailer with corresponding front and rear tongue members relatively arranged so that when releasably connected together the tractor and trailer are held in a parallel side by side relation against relative movement. The trailer has a pair of front caster wheels and a rear wheel so as to be movable as a unit with the tractor.