ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,643, issued on Jan. 28, was assigned to Toyo Automation Co. Ltd. (Tainan, Taiwan).

"Actuator device" was invented by Kun-Cheng Tseng (Tainan, Taiwan) and Ming-Chi Su (Tainan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An actuator device includes a base unit, a sliding unit, and a scraping unit. The base unit includes a base seat defining a receiving space, two magnets mounted to the base seat, and a steel belt that covers the receiving space and that is attracted to the magnets. The sliding unit is disposed on the base unit, and includes a sliding table that has a pass channel through which the steel belt extends. A nut seat is connected ...