Patent ID: 6553736
Filing Date: 2003-04-29
Classification: E04C

Abstract:
A metal truss comprising a pair of parallel, spaced apart chord members, each of said chord members comprising two or more side-by-side interlocking metal chord tubes said chord tubes being elongate, having a generally U-shaped cross-section, and forming a central web and depending side arms, each of said side arms forming a plurality of identical, opposed, outwardly extending, longitudinal ribs defining elongated recesses therebetween, said ribs being equisized and equispaced and positioned in a predetermined spatial relationship one to another whereby the ribs on one chord tube mate with and interlock into the recesses defined between adjacent ribs on adjacent chord tubes, a plurality of alternating diagonal bracing members securely fastened by means of fasteners within said chord members at predetermined intervals and angles, said diagonal bracing members having a generally U-shaped section consisting of a central web and depending side walls, said elongate chord members being maintained by said diagonal bracing members in a reinforced, fixed, rigid spatial relationship one to another.