ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,928, issued on Sept. 15, was assigned to ELESA S.P.A. (Milan).
"Hinge with adjustable friction" was invented by Alberto Bertani (Milan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Hinge for moving a door with respect to a stationary wall characterized in that it is composed of two opposing wings provided with through fixing holes and provided with a mutual engagement area, the mutual engagement area including shaped and complementary bushings protruding from one of the walls of each of the wings, the bushings housing, respectively a matching and friction system composed of a wedge-shaped matching element and a bushing-shaped matching element oppo...