A collapsible road trailer comprising a central beam to which side members of the base are hinged has a tow bar which forms a sliding fit within the central beam and is locked in position by members operated by the folding down of the sides of the base. The locking members are preferably in the form of lugs engaging openings in opposite sides of the tow bar and may be fixed rigidly to the sides of the base, passing through openings in the sides of the central beam and into the openings in the tow bar when in the engaged position. Detachable wheel assembl...
In a collapsible road trailer comprising a central main beam, a base comprising separate side members and means hingeing said side members to said main beam, a collapsible wall structure, means for removably securing said wall structure to said base, two wheel assemblies and means for removalby securing said wheel assemblies to said base, the improvement comprising said main beam being hollow, a tow bar telescoped within said main beam and means locking said tow bar at a predetermined position within said main beam, said locking means being operated by t...
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