ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,511, issued on May 5, was assigned to DIWEI INDUSTRIAL Co. LTD. (Taichung City, Taiwan).

"Support frame structure with locking mechanism" was invented by Chin-Chu Li (Taichung City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A support frame structure includes a fixed base, a support mechanism and a pedestal, the support mechanism includes a first rotary joint, a second rotary joint and an arm assembly, the first rotary joint is pivoted to the fixed base, the second rotary joint and the first rotary joint are connected to two ends of the arm assembly respectively, the arm assembly includes an upper arm and a lower arm, the support mechanism ...