ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,694, issued on Oct. 21, was assigned to Emomo Technology (Zhejiang) Co. Ltd. (Huzhou, China).
"Electric seat mechanical extension device" was invented by Yushu Zhao (Huzhou, China), Wencai Li (Huzhou, China) and Kai Jin (Huzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A backrest-seat assembly of an electric seat mechanical extension device includes a seat panel, a linkage, a front connecting piece, a back connecting piece, a mounting member, a support wheel control member, a backrest adjusting member, a backrest control member and a backrest member. The back connecting piece is fixedly mounted on the seat panel, the backrest member and ...