Patent ID: 7426890

Claim:
A force resisting corrugated assembly foldably constructed from a generally flat blank, said assembly comprising: (a) a first frame, said first frame comprising at least two jack panels; at least three ribs, said ribs formed by folding said blank at predetermined locations and locked into place by folding lock assemblies; and first and second edge panels defined on first and second ends, respectively, of said first frame, each of said first edge panel and said second edge panel comprising at least two jack passages defined therein and sized for allowing passage by a jack and comprising an edge flap, wherein each of said first and second edge panels folds over to form an outer peripheral structure substantially extending the length of said first and second ends and said edge flap folds over toward said at least three ribs; and (b) a second frame, said second frame comprising at least two jack panels; at least three ribs, said ribs formed by folding said blank at predetermined locations and locked into place by folding lock assemblies; and first and second edge panels defined on first and second ends, respectively, of said second frame, each of said first edge panel and said second edge panel comprising at least two jack passages defined therein and sized for allowing passage by a jack and comprising an edge flap, wherein each of said first and second edge panels folds over to form an outer peripheral structure substantially extending the length of said first and second ends and said edge flap folds over toward said at least three ribs; wherein said ribs of first and second frames comprise locking slots; wherein said first and second edge panels of said first frame comprise tab locks and said edge flap of said first and second edge panels of said first frame comprises tab holes; wherein said first and second edge panels of said second frame comprise tab locks and said edge flap of said first and second edge panels of said second frame comprises tab holes; wherein said first and second frames are brought together in a perpendicular fashion such that the ribs of the first frame lock into place with the ribs of the second frame; wherein said edge flap of said first and second edge panels of said first frame is secured to said second frame via locking of said tab locks of said first and second edge panels of said second frame with said tab holes of said edge flap of said first and second edge panels of said first frame; wherein said edge flap of said first and second edge panels of said second frame is secured to said first frame via locking of said tab locks of said first and second edge panels of said first frame with said tab holes of said edge flap of said first and second edge panels of said second frame; and wherein said first frame and second frame when brought together form an assembly comprising four sides with an outer peripheral structure on each of said four sides.