ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,957, issued on Dec. 16, was assigned to STRONG YUN INDUSTRIAL Co. LTD. (Taoyuan, Taiwan).
"Strap roller" was invented by Yeh-Chien Chou (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A strap roller contains: a frame, a fixing post, a central shaft, a worm gear, a rotation element, a support rack, a worm, a manual crank, a cap, and a resilient locking spring. The frame includes a first fence and a second fence. The fixing post is defined between the first fence and the second fence. The central shaft is rotatably connected between the first fence and the second fence. The worm gear is fitted on the central shaft. The rotation element...