ALEXANDRIA, Va., July 9 -- United States Patent no. 12,349,770, issued on July 8, was assigned to Anhui Champion Intelligent Manufacturing Technology Co. Ltd (Hefei, China).

"Belt buckle assembly and weightlifting belt" was invented by Zhidong Chen (Hefei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a belt buckle assembly and a weightlifting belt, and belongs to the technical field of belts. The belt buckle assembly according to the present invention comprises a belt buckle base plate, a pin shaft member, a ratchet wheel and a handle ratchet which fit each other, and a swing handle housing, wherein the swing handle housing is rotatably mounted on the belt buckle base ...