Patent ID: 7275784

Claim:
In a vehicle box assembly for a pickup truck, said box assembly having a horizontal floor, and right and left upright inner side panels joined to and projecting upwardly adjacent opposite lengthwise-extending side edges of said floor, comprising the improvement wherein said floor and inner side panels are, in their entirety, defined by two similar one-piece L-shaped panel members each defining one of said inner side panels and a floor panel section integrally and monolithically joined to the respective inner side panel and extending generally perpendicularly therefrom, each of the L-shaped panel members being roll-formed and having a plurality of sidewardly-spaced channel-shaped roll-formed ribs therein and extending lengthwise throughout the longitudinal length thereof, the floor panel sections of said two L-shaped panel members having lengthwise extending free edge portions which are fixedly joined together in the lengthwise extent of the floor, and each said floor panel section and the joined inner side panel each having a said channel-shaped roll-formed rib formed therein and extending lengthwise throughout the longitudinal length thereof.