US Patent Issued to Wiwynn on Nov. 3 for "Tool-free screw and accessory of tool-free screw" (Taiwanese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,786, issued on Nov. 3, was assigned to Wiwynn Corp. (New Taipei City, Taiwan).

"Tool-free screw and accessory of tool-free screw" was invented by Yung-Ti Chung (New Taipei City, Taiwan), Jheng-Ying Jiang (New Taipei City, Taiwan) and Chih-Wei Tseng (New Taipei City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tool-free screw is used to lock an object. The object has a second latching mechanism. The tool-free screw includes a sleeve and a stud arranged coaxially with each other, wherein the sleeve movably sleeved on the stud, the sleeve has a first latching mechanism and a fourth latching mechanism, and the stud has a third latching mechan...