ALEXANDRIA, Va., April 7 -- United States Patent no. 12,593,923, issued on April 7.
"Robust hinge of a collapsible bed" was invented by Chiu-Hsiang Lo (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A collapsible bed includes a frame and a hinge. The frame includes a longitudinal rod and a crossbar. The hinge includes two connecting pieces, a threaded bolt and a nut. The first connecting piece is connected to the crossbar and includes an intermediate section formed between two lugs and two protuberances extending from the lugs. The second connecting piece is connected to the longitudinal rod and includes a middle section formed between two ears. The second connecting piece spans the longitud...