ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,419,000, issued on Sept. 16, was assigned to BOE TECHNOLOGY GROUP Co. LTD. (Beijing).
"Middle frame assembly and display device" was invented by Liming Dong (Beijing), Shouchuan Zhang (Beijing) and Shangchieh Chu (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A middle frame assembly and a display device. The middle frame assembly includes a rotating shaft component, a first middle frame body, a first sliding middle frame, and a first transmission component. The first transmission component includes a first driving bevel gear, a second driving bevel gear, a first driven bevel gear, and a transmission part. The first driving bevel gear and the s...