主权项 |
1. An elongate beam assembly for supporting cargo, comprising:
an elongate beam extending between first and second ends, the beam comprising a bottom wall with a downward facing surface and extending across a bottom width, a top wall with an upwardly facing surface and extending across a top width between right and left edges, opposite right and left side walls extending between the bottom and top walls, wherein the bottom width is smaller than the top width, wherein each of the right and left edges of the top wall define respective right and left side surfaces, and further comprising right and left ribs that connect a bottom edge of each respective right and left side surface to the respective right and left side wall.
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