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Abstract

The object of the invention is a connecting structure for mechanically connecting steel pipe profiles (1, 2, 3) to each other to form a truss structure, comprising at least one elongated frame beam (1) with a rectangular cross-section, to which several cross struts (2, 3) with a rectangular cross-section forming a truss structure and extending diagonally and/or perpendicularly with respect to the frame beam are connected. According to the invention, receiving openings (4, 5) are formed on one side (6) of the frame beam (1) for receiving one end (2a, 3a) of each cross strut (2, 3) into the frame beam. Fastening holes (12) and/or outlines thereof are formed in the region of the end (2a, 3a) of the cross strut (2, 3) extending into the frame beam (1), and corresponding fastening holes (12′) and/or outlines thereof are formed on the sides (7, 8) of the frame beam (1) perpendicular to the side (6) having the receiving openings (4, 5). Guide holes (9, 9′) are formed on the sides (7, 8) of the frame beam perpendicular to the side (6) having the receiving openings (4, 5) and equipped with at least one guide pin (10, 10′) extending in the transverse direction of the frame beam. A guide groove (11, 11′) extending in the longitudinal direction of the cross strut (2, 3) is formed at the end (2a, 3a) of the cross strut, which, in cooperation with said at least one guide pin (10, 10′), positions the fastening holes (12) of the cross strut (2, 3) and the corresponding fastening holes (12′) of the frame beam (1) in exact alignment, enabling fastening means (13) to be inserted precisely through the fastening holes (12, 12′), thereby rigidly connecting the pipe profiles (1, 2, 3) to each other. A further object of the invention is a truss structure (16) utilizing the connecting structure.

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First Claim