US Patent 7188380 Fabricated bedstead member

This invention relates to a fabricated bedstead, in particular a fabricated bedstead that is applicable to a metal sofa bed or a bunk bed. The invention mainly comprises a bedstead that is made of different lengths of cannular shafts. The invention enables respective round hook portions on one ends of pluralities of thin vertical lines and thin horizontal lines to pierce through those cannular shafts, and those round hook portions are correspondingly positioned in waterdrop-shaped trough portions of said cannular shafts. The fabricated member of the invention effectively reduces the volume of material and manufacturing cost.