ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,291, issued on June 23, was assigned to INTRADIN (SHANGHAI) MACHINERY Co. LTD. (Shanghai).
"Plastic electric lift device" was invented by Ping Li (Shanghai) and Xuetao Qiao (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A plastic electric lift device includes a seat assembly, a folding assembly, an electric push rod assembly and a clamping assembly. The seat assembly includes a seat plate and a backrest rotatably connected thereto. The folding assembly is configured to support the seat assembly. The electric push rod assembly includes a main body and a push rod partially within the main body. The main body is provided at the backrest. The ...