ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,205, issued on Oct. 28, was assigned to Yanfeng International Automotive Technology Co. Ltd. (Shanghai).
"Shoulder adjusting mechanism for seat backrest" was invented by Shunqiang Lan (Shanghai), Xun Tang (Shanghai), Yueyun Chen (Shanghai), Jie Liang (Shanghai) and Yiliang Xu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a shoulder adjustment mechanism for a seat backrest, comprising: an upper backrest frame (10) and a lower backrest frame (20) in an up-and-down arrangement, each of the upper backrest frame (10) and the lower backrest frame (20) including a first side and a second side opposing to each ot...