ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,086, issued on Oct. 21.
"Supporting structure" was invented by Ming-Hsien Huang (New Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A supporting structure includes a base, first and second arms, an operating member, first and second locking members, a rotating base, a bearing rack. One end of the first arm is rotatably provided at the base with a first longitudinal axis. The operating member is penetratingly disposed through the first arm and changed between locking/release positions. The first locking member is disposed in the first arm and changed between first outermost/innermost positions, with one end fixed to and acting synchron...