Patent ID: 6481176
Filing Date: 2002-11-19
Classification: E04C

Abstract:
A storage roof truss with greater storage space capacity or possible living space, comprising:a bottom chord, a pair of upper top chords, and a pair of lower top chords; said upper top chords being joined at an apex, each said lower top chord being joined to distal end of a separate said upper top chord and said bottom chord joins each distal end of said lower top chords at a heel forming a generally gambrel roof shape; a pair of vertical webs, each said vertical web located on horizontally opposite sides of said apex, each said vertical web joins said upper top chord and said lower top chord at their juncture and extends substantially vertically downward and joins said bottom chord; a pair of apex webs, each said apex web joins a separate said vertical web at an intermediate point on said vertical web, said apex webs extend to said apex and join said upper top chords at said apex; a pair of outboard webs, each said outboard web joins said bottom chord and a separate said vertical web at their juncture and extends and joins said lower top chord at an intermediate point on said lower top chord; a pair of brace webs, each said brace web joins a separate said vertical web and said apex web at their juncture and extends and joins said lower top chord and said outboard web at their juncture; wherein chords or webs are substantially straight and elongated structural elements and are arranged substantially in a plane; whereby a central opening is formed with a horizontal bottom and portions of its sides being substantially vertical allowing greater storage space and any load applied at any juncture of chords or webs will be carried to said heels mostly via axial loads on the chords and webs thereby allowing small cross sections of webs and chords.