| 摘要 |
<p>Tridimensional frame for vehicles, in particular motor cars, made by at least two elementary structural members (2,3,4) drawn from multifigure extruded hollow profiles (10,31) which are splitted along at least one of their generatrix as to form a plurality of hollow profiles which, cutted at one right length, are angle bended and connected among them, at their free ends, to make the frame. This connection of the elementary structural members (2,3,4) takes place following the invention, in respect to the known technology of the State of the Art, without adding any other complementary fixing element. In one preferred embodiment of the invention, the extruded multifigure hollow profile (10) is made by two tubes (21) with axial symmetrical section, connected by a flange (22). The characteristics of the invention allow to make tridimensional frames which are simple, stiff and do not require complex assembly jigs and that are therefore suitable for production of small series vehicles. <IMAGE></p> |
