US Patent 11219259 Belt

A belt is provided including a buckle and a strap, the buckle defining an inner and an outer area and including a hollow support including two side bars and an inner bar, wherein the side bars include abutment surfaces protruding towards the inner area and wherein the inner bar includes a non-movable tooth, protruding towards the outer area and including a head and a stem, wherein the head is located at the free end of the tooth and is larger than the stem. The strap defines a first and a second end, wherein the first end is connected to the buckle, the second end includes at least one non-through hole. The tooth is configured to be engaged to the non-through hole by means of the head when the strap is closed in a loop.