Patent ID: 6729822
Filing Date: 2004-05-04
Classification: F16B

Abstract:
In combination, a threaded bolt welded to a support member and a fastening element adapted to be fastened on said threaded bolt, said fastening element comprising:a first hollow element portion made of plastic material and having an axial through hole, the through hole having a polygonal cross section and radially resilient wall portions that are adapted to be radially outwardly deformed if the first element portion is pushed onto said threaded bolt; and a second hollow annular element portion breakably formed to one end of the first element portion, the second element portion having an inner cross section dimensioned such that the second element portion can be pushed over an outer side of the first element portion under radial deformation of the resilient wall portions, whereby a thread of the threaded bolt is partially formed into the resilient wall portions; wherein the thread of the threaded bolt has a thread cutting portion at a free end thereof.