ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,498, issued on Nov. 11.

"Single ring type locknut assembly" was invented by Chunlin Ye (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a ring type locknut, where a frustum-shaped internal thread concave cavity is arranged on a nut, inside which an annular member with frustum-shaped internal and external threads matching the concave cavity nut is provided, an eccentric value based on a specification thread fit clearance is set between internal threads and external threads of the annular member, so that when the annular member is screwed into a bolt together with the nut for locking, the expected objective that the nut wil...