ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,336, issued on July 22, was assigned to Emomo Technology (Zhejiang) Co. Ltd. (Huzhou, China).
"Mechanical extension device of rocking seat" 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 mechanical extension device of a swinging seat is provided, which includes a base, a first swinging rod, a second swinging rod, an actuator and two mechanical extension units, where the base is connected to the first swinging rod and the second swinging rod in a rotating way; the actuator is arranged between the two mechanical extension units; a locking device is arran...