ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,782, issued on Aug. 26, was assigned to WESTDEUTSCHER DRAHTSEIL-VERKAUF DOLEZYCH GMBH & CO KG (Dortmund, Germany).
"Ratchet tightener" was invented by Uwe Schoebel (Froendenberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a tensioning device for tensioning chains, straps, cables or similar tensioning means (1), having at least one tubular tensioning nut (2) and at least one threaded bolt (3) passing into the tensioning nut (2) and interacting therewith, wherein the threaded bolt (3) is equipped with at least one unscrewing prevention means (9; 10a, 10b, 11) at the end, and wherein the threaded bolt (3) is equippe...