ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,109, issued on Sept. 16.
"Foldable small flying and squat rack" was invented by Ruibo Wang (Denver).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a foldable small flying and squat rack, which comprises a fixed rack, a pivot rack and pulley blocks disposed on the fixed rack and the pivot rack, wherein the pivot rack can rotate relative to the fixed rack, a counterweight assembly is disposed at the lower part of the fixed rack, and a connecting rope is connected at the upper part of the counterweight assembly; the connecting rope winds around the pulley blocks on the fixed rack and the pivot rack in turn to extend out,...