Patent ID: 8734073

Claim:
A fastening arrangement comprising: a quick-action nut having two nut parts, the nut parts each having a groove to receive a threaded rod; a locking element, the locking element having at least one passage opening for securing the quick-action nut to the threaded rod, the locking element, in the passage opening, having a locking surface for pressing the nut parts against the threaded rod and having a centering surface for centering the threaded rod in the passage opening, the locking element, in the passage opening, having a transition surface adjoining the locking surface and the centering surface, and running between the locking surface and the centering surface, wherein the locking surface has a smaller opening angle than the transition surface, at least in certain areas, wherein the nut parts each have at least one collar for engaging with the locking surface, and wherein the at least one collar has a contact surface to establish contact with the locking surface of the locking element, as well as a positioning surface arranged at an angle to the contact surface.