Modular system and joint for the construction of extensive frameworks

摘要

System for the construction of a extensive framework joining a plurality of linear elements (T) by means of connecting joints of the ends of the linear elements (T), wherein at least the following components are used: shaped pieces (11) associated or to be associated to said linear elements (T) so as to project longitudinally from the ends of the same; in order to form each of said joints, a tubular core (1) with a polygonal section defining a completely free internal cavity and longitudinal corner edges, to be arranged so that the axes of the linear elements (T) converging in the joint substantially meet respective corner edges and the longitudinal axis (X) of said core (1), one or more collars (2), which take the polygonal form of said core (1), to be tightened around the core and provided with substantially plate-shaped wings (21) projecting radially from respective corner edges, one for each of the linear elements (T) converging in the joint, and substantially C-shaped arms (3) to be arranged on the outside of the collars, each between two consecutive wings (21), with the concavity facing the outside, end segments (3a) of said arms being placed against respective wings (21) and engaged with the pieces (11) of the linear elements (T) and with the wings (21).