ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,450, issued on June 17.
"Portable detachable pulley" was invented by Guosheng Zeng (Hunan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A portable detachable pulley is provided, which includes a gasket, and a buckle assembly is provided on the lower end face of the gasket. The buckle assembly includes two symmetrically distributed first buckles fixedly mounted on the lower end face of the gasket, and a second buckle is provided between the two first buckles. The second buckle is located at an end portion of one side of the two first buckles, and a fastening component is provided at the other end portion of the two first buckles. A connecting...