Assembling joint for assembling framework comprising tubular rods, and framework with such assembling joints

Claim 1

A JOINT ELEMENT FOR ASSEMBLING ROD ELEMENTS HAVING UNOBSTRUCTED TUBULAR ENDS, WHICH JOINT ELEMENT COMPRISES A CARRYING ELEMENT AND A PLURALY OF OUTWARDLY PROJECTING PIN MEMBERS FIXEDLY JOINED TOGETHER, EACH OF SAID PIN MEMBERS HAVING TWO FITTING PORTIONS SPACED APART IN THE AXIAL DIRECTION OF THE PIN MEMBERS AND HAVING AN ELONGATED INTERMEDIATE PORTION OF SUBSTANTIALLY REDUCED CROSSSECTION, SAID FITTING PORTIONS CORRESPONDING SUBSTANTIALLY TO THE INTERNAL CROSS-SECTIONAL CONFIGURATIONS AND DIMENSIONS OF SAID TUBULAR ENDS TO EFFECT SLIDING ENGAGEMENT THEREWITH, THE ONE OF SAID FITTINGS PORTIONS REMOTE FROM SAID CARRYING ELEMENT BEING FORMED WITH A GENERALLY ARCUATE PERIPHERAL SURFACE AND IN CONJUNCTION WITH SAID INTERMEDIATE PORTION TO PERMIT PARTIAL INTERCOUPLING OF SAID JOINT ELEMENT AND ROD ELEMENT AND A ROD SAID PIN MEMBER SO THAT SAID JOINT ELEMENT AND A ROD ELEMENT MAY BE ASSEMBLED BY INITIAL ASKEW INTECOUPLING OF THE TUBULAR END AT AN ANGLE TO THE AXIS OF PIN MEMBER AND BY FINAL ALIGNED INTERCOUPLING OF SAID TUBULAR END AT BOTH FITTING PORTIONS OF SAID PIN MEMBER.