ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,226, issued on Feb. 24, was assigned to AAC Acoustic Technologies (Shanghai) Co. Ltd. (Shanghai) and Beijing Xiaomi Robot Technology Co. Ltd. (Beijing).
"Linear drive mechanism" was invented by Chunjiang Li (Shanghai), Yuntong Li (Shanghai), Bing Xie (Shanghai), Chuiyou Zhou (Shanghai) and Liang Jiang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a linear drive mechanism, including a casing, a front cover and a rear cover fixed at opposite ends of the casing, a stator arranged in the casing, a hollow rotor rotatably connected to the stator, and a ball screw including a screw nut and a center screw arranged...