Patent ID: 7316531

Claim:
A trailer comprising: a trailer bed mounted on at least one axle, the trailer bed having a left side rail, a right side rail, and a load-carrying portion between the left side rail and the right side rail; a plurality of bunk structures, each bunk structure comprising a left bunk assembly mounted to the left side rail and a right bunk assembly mounted to the right side rail, wherein at least one of the left and right bunk assemblies are pivotable between a deployed position and a non-deployed position; wherein in the deployed position the left bunk assembly and the right bunk assembly cooperatively define an upwardly-facing U-shaped structure that extends across the load-carrying portion between the left side rail and the right side rail of the trailer bed; and further, wherein in the non-deployed position the left bunk assembly and the right bunk assembly substantially overlie the left side rail and right side rail such that the bunk structures do not overlie the load-carrying portion between the left side rail and right side rail of the trailer bed.