ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,538, issued on Oct. 7.

"Lock body located outside the door for quick assembly of handle" was invented by Mingjun Hu (Fenghua, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to the technical field of locks, and discloses an outer lock body for quick assembly of a handle, including a mounting seat and a handle, where the handle includes a rotating part and a hand-held part, the rotating part is inserted into and fitted with the mounting seat, a quick assembly mechanism is provided in the mounting seat, the quick assembly mechanism includes a limiting body, a limiting ring groove recessed on the rotating part, a hold...