Patent ID: 7475517

Claim:
A joining structure of a roof truss using thin light-gauge shaped steel comprising: said roof truss including a first roof truss upper chord member or rafter ( 20 - 1 ) and a second roof truss upper chord member or rafter ( 20 - 2 ); a connecting top ( 36 ) formed by a thin steel sheet member connecting the first roof truss upper chord member or rafter ( 20 - 1 ) and the second roof truss upper chord member or rafter ( 20 - 2 ); an integral box-shaped bracket ( 33 ) formed by bending at least one thin steel sheet, said integral box shaped bracket ( 33 ) having a top section ( 34 ), a right box section ( 33 - 1 , 2 , 3 , 4 ) located to the right of said top section ( 34 ) and a left box section ( 33 - 1 , 2 , 3 , 4 ) located to the left of said top section ( 34 ); said right box section having a flat surface section ( 33 - 1 ) downwardly extending from the right side of said top section ( 34 ) and said left box section having a flat surface section ( 33 - 1 ) downwardly extending from the left side of said top section ( 34 ); said connecting top ( 36 ) having a portion at its top on which said top section ( 34 ) of said box-shaped bracket ( 33 ) is received; a first top cleat member ( 40 ) fitted into said right box section ( 33 - 1 , 2 , 3 , 4 ) and a second top cleat member ( 41 ) fitted into said left box section ( 33 - 1 , 2 , 3 , 4 ); wherein said box-shaped bracket ( 33 ) is fixed to the thin steel sheet member of said connecting top ( 36 ) by said thin steel sheet member of said connecting top ( 36 ) lying between the flat surface ( 33 - 1 ) of the right box section and the flat surface ( 33 - 1 ) of the left box section and receiving top section ( 34 ) of said box shaped bracket ( 33 ) and connected by fastening means extending in the direction of said first and second top cleat members ( 40 , 41 ); wherein said first top cleat member ( 40 ) is fixed to said right box section ( 33 - 1 , 2 , 3 , 4 ) by fastening means and said second top cleat member ( 41 ) is fixed to said left box section ( 33 - 1 , 2 , 3 , 4 ) by fastening means.