Patent ID: 7770347

Claim:
A building frame comprising a plurality of bars, each of said bars being straight and having a top surface; a bottom surface; a longitudinal edge; and two mounting surfaces being respectively formed on the top and the bottom surfaces of the bar adjacent to and parallel with the longitudinal edge; and at least two brace assemblies being parallel with each other and detachably engaging the bars, and each one of the brace assemblies having a primary brace being straight and having multiple primary mounting recesses being separately formed in the primary brace and each one of the primary mounting recesses having an inner surface; and a primary clamping structure being formed on the inner surface of the primary mount and corresponding to and being detachably engaged the mounting surface on the top surface of one of the bars; and a secondary brace being symmetrically to and leant against the primary brace and having multiple secondary mounting recesses being separately formed therein and each one of the secondary mounting recesses corresponding to and aligning with one of the primary mounting recesses; and each secondary mounting recess having an inner surface; and a secondary clamping structure being formed on the inner surface of the secondary mounting recess and corresponding to and being detachably engaging the mounting surface formed on the bottom surface of one of the bars.