Patent ID: 7007815

Claim:
A storage rack comprising: a first upright frame having a first pair of upright columns, a second upright frame having a second pair of upright columns laterally spaced from the first pair of upright columns, at least one pair of beams for supporting a load extended horizontally between said first and second pairs of upright columns, each of said beams is a one-piece tubular box beam having generally horizontal step portion having opposite ends, said box beam is a linear straight one-piece tubular box beam cold pressed deformed into a beam having an upward convex curvature along the length thereof, a deck extended between and supported on the step portion of each beam for accommodating a load whereby a portion of the weight of the load on the deck is taken up by the amount of weight required to bend the convex curved beam downward toward a generally linear horizontal configuration, and connectors attaching the ends of the beams to the first and second columns.