Swivel bunked double trailers for containers

A pup trailer for a double trailer assembly for transporting elongate load means, said pup trailer having chassis means, comprising rear slidable swivel bunk means mounted integral to said chassis means, said bunk means having rear cradle means for supporting the rear end of said elongate load means, said rear cradle means being rotationally mounted about a vertical axis passing through its midpoint, and slidably mounted for movement forwardly and rearwardly of said pup trailer chassis means, rear support means for rotationally mounting said rear cradle means, slidably mounted in said pup trailer means, said rear cradle means being slidable from a first forward position to a second rear position abutting the rear end of said pup trailer chassis means,

• said pup trailer having movable coupling means for lead trailer means, said coupling means being movable between first forward position relative to said pup trailer means and second rearward position relative to said pup trailer means, locking means associated with said movable coupling means to lock said movable coupling means in said first and second positions,
• said rear cradle means having horizontal arm means terminating in means to engage container tiedown point means, and includes rear circular cradle plate means beneath said arm means, said rear support means including paired opposed rear rectangular support plate means and rear central slot means extending longitudinally between said paired opposed rear support plate means, said rear slot means additionally defined by opposed wall means dependent from said paired opposed rear support plate means, bushing means slidably and rotationally contacting both said rear slot wall means, rear cradle shaft means extending beneath rear circular cradle plate means engaging said bushing means.