Patent ID: 6436552
Filing Date: 2002-08-20
Classification: E04C,Y10T

Abstract:
A cold-formed, sheet metal, elongate structural member comprising:a web member having a first side and a second side to longitudinally extending edges; a first hollow flange member extending along one said edge and projecting laterally to both sides of said web, said first hollow flange member being rectangular in cross section; a second hollow flange member extending along the opposing said edge of said web and said second hollow flange member projecting laterally to one side of said web, each of said hollow flange members having a margin formed thereon, said margin juxtaposed said web, one of said margins being fastened to said web, wherein said first side of said web is centrally, elongately stepped forming longitudinal straps adjacent said edges for receipt of said margins of said first hollow flange member and said second hollow flange member said web being stepped a height equal to the thickness of said cold formed metal used in fabricating said structural member.