| 摘要 |
[0088] Multifunctional modular mother-beam built in structural steel or in similar light, sturdy material, with an "U" configuration and provided with holes along its entire length, either on the backside (1 and I a), on the flanks (2 and 2-a) or on the edges (3 and 3-a), by which the said mother beams connect to one another either through their backsides, their flanks or their edges, in any angle. They are fastened with screws inserted into the said holes, with no need of any welding. The flanks and the edges are bended (2-b 3-b) in a way as to facilitate fitting and fastening the mother-beams. Mother-beams may connect by overlapping their backsides, by joining their edges, by joining their flanks, by joining flanks with edges, edges or flanks with the backside, either through direct or reversed connection, and it has the capability to take up the role of a beam, a pillar, a trussed beam or a bar, as desired, being especially recommended for the construction of large spans in pavilions or similar constructions. l. * * 2.a Fig. 1 2 2.a 4 *3 a Fig. 2 Fig. 3 Fig. 12 2.b Fig. 13.
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