ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,357, issued on Nov. 11, was assigned to YANFENG INTERNATIONAL AUTOMOTIVE TECHNOLOGY Co. LTD. (Shanghai).
"Winding drum assembly" was invented by Wei Zhao (Shanghai), Bin Chen (Shanghai) and Yongliang Huang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A winding drum used for winding a safety belt extends in the axial direction and is rotatably supported in a frame of a retractor. A gear mechanism is installed at one side of the winding drum through a force limiting mechanism and comprises a stop wheel and a ball gear which are riveted and fixedly connected in the axial direction. The stop wheel is rotatably installed on the frame, and the...