Patent ID: 8141318
Filing Date: 2012-03-27
Classification: E04C

Abstract:
1. A truss assembly apparatus comprising: a roof truss assembly having a plurality of chord and web members connected together; a pair of elongated, opposed diverging metal upper chords; at least one metal lower chord; the upper and lower chords each forming generally U-shaped channels, each U-shaped channel defining an interior chord space; a plurality of elongated metal web members extending between the upper and lower chords, the web members extending into the interior space of an upper chord, the web members extending into the interior space of at least one lower chord, each of the web members attached to an upper chord and to at least one lower chord; and wherein the web members have a generally S-shaped cross-section; wherein the web members each have a central web, an upper flange extending from the central web, an upper leg extending from the upper flange, an upper return extending from the upper flange, an upper lip extending from the upper return, a lower flange extending from the central web, a lower leg extending from the lower flange, a lower return extending from the lower leg, and a lower lip extending from the lower return; and wherein the upper and lower flanges are generally parallel to one another, wherein the upper and lower legs are generally parallel to one another, wherein the upper and lower returns are generally parallel to one another, and wherein the upper flange and lower return are generally coplanar, wherein the lower flange and upper return are generally coplanar, and wherein the upper and lower lips are generally perpendicular to the upper and lower returns.