Patent ID: 6993882
Filing Date: 2006-02-07
Classification: E04B,E04C

Abstract:
1. An apparatus comprising: a. a first longitudinal member having a first end, a second end, a first side and a second side; b. a first top attachment tab joined to said first end and a second top attachment tab joined to said second end; c. a first longitudinal juncture along said first side of said first longitudinal member; d. a second longitudinal member, having a first end, a second end, a first side and a second side, joined to said first longitudinal member at said first longitudinal juncture; e. a second longitudinal juncture along said second side of said first longitudinal member; f. a third longitudinal member, having a first end, a second end, a first side and a second side, joined to said first longitudinal member at said second longitudinal juncture; g. a first end juncture along said first end of said second longitudinal member; h. a first flange joined to said second longitudinal member at said first end juncture; i. a second end juncture along said second end of said second longitudinal member; j. a second flange joined to said second longitudinal member at said second end juncture; k. a third end juncture along said first end of said third longitudinal member; l. a third flange joined to said third longitudinal member at said third end juncture; m. a fourth end juncture along said second end of said third longitudinal member; n. a fourth flange joined to said third longitudinal member at said fourth end juncture; o. a first portion, distinct from said first flange, turned out of said second longitudinal member at said first end of said second longitudinal member and reinforcing said first end of said second longitudinal member; p. a second portion, distinct from said second flange, turned out of said second longitudinal member at said second end of said second longitudinal member and reinforcing said second end of said second longitudinal member; q. a third portion, distinct from said third flange, turned out of said third longitudinal member at said first end of said third longitudinal member and reinforcing said first end of said third longitudinal member; r. a fourth portion, distinct from said fourth flange, turned out of said third longitudinal member at said second end of said third longitudinal member and reinforcing said second end of said third longitudinal member; wherein: