ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,460, issued on Jan. 13, was assigned to WUXI LEAD INTELLIGENT EQUIPMENT Co. LTD. (Wuxi, China).

"Winding mandrel mechanism and winding machine" was invented by Aiwu Zhu (Jiangsu, China), Fengjie Wang (Jiangsu, China) and Liujie Zhao (Jiangsu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A winding mandrel mechanism and a winding machine are provided. The winding mandrel mechanism includes a winding pin holder, two half winding pin assemblies, and a driving rod. Each half winding assembly includes an outer pin and an inner clip mounted to the winding pin holder and movable along a radial direction of the winding mandrel mechanism. The driving ...