ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,389,991, issued on Aug. 19.
"Hook with dynamic display" was invented by Dan Zeng (Sichuan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hook with dynamic display is provided, including a housing; a rotary disc, sleeved on the rotating shaft, and the rotary disc is provided with a gear thereon; rotatable petals, arranged obliquely on the rotary disc and extend to the slots; a draw hook, provided with a guide slot on one end thereon, and a rack is provided on one side of the guide slot, the rack is engaged with the gear; and springs, arranged in the sliding slots. Another end of the draw hook provided at the exterior of the housing is configured...