Patent 7544028 was granted and assigned to Airbus on June, 2009 by the United States Patent and Trademark Office.
The invention divulges a method of installing a nut in a cage in order to make a secure connection of two elements by screwing the nut on a threaded rod, particularly in the case in which the electrical connection is made using a lug. The cage is in the form of a cylinder comprising elastic inner strips that enable blocking of the washer and the nut, and ensure a constant pressure with time.