ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,484, issued on Nov. 25, was assigned to YONGKANG ZHUOYI LEISURE PRODUCTS Co. LTD..
"Cart" was invented by Zhaocheng Lv (Jinhua, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cart includes a pull rod mechanism, a folding bracket mechanism, and a pull rod locking apparatus. The pull rod mechanism includes main and sub-pipes connected telescopically. The folding bracket mechanism includes a bearing frame, connecting rods, and connecting elements. The bearing frame and the connecting rod are rotationally connected to the main pipe. The connecting element is rotationally connected to the bearing frame and connecting rod. The pull rod locking app...