Patent ID: 7431549

Claim:
A wheeled cargo trailer, comprising: a) a trailer having a chassis, front and rear end portions, a load carrying bed portion that includes a pair of spaced apart side rails and a bed surface portion that spans between the side rails; b) each of the rails supporting a plurality of spaced apart receptacles, each receptacle comprised of a plurality of walls surrounding a generally vertically oriented open ended bore; c) one or more beams that can be removably attached to the chassis at the receptacles; d) each beam having a horizontal section with end portions and a pair of spaced apart vertical sections, each vertical section being sized and shaped to fit one of said receptacles wherein at least a part of the vertical section occupies the open ended bore of said one of said receptacles; e) each beam having multiple attachments for attaching elongated fasteners to the beam at spaced locations; and f) a fastener that secures each beam to the chassis at a position next to a respective one of said receptacles.