ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,804, issued on May 19, was assigned to Chien Yu Hong Co. Ltd. (Taichung City, Taiwan).
"Disk brake piston retractor" was invented by Chang-Ta Tsai (Taichung City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A disk brake piston retractor includes two plates, a threaded rod, an internal tube, an external tube and a quick-release unit. The threaded rod includes an end connected to the first plate and a thread extending thereon. The internal tube includes a first bore extending from a first end, a second bore extending from a second end, and a thread extending thereon. The first bore receives the threaded rod. The thread of the threaded rod ext...