ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,432, issued on Oct. 14.
"Anti-jamming ratchet-type tensioning device" was invented by Zhengbao Jin (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides an anti-jamming ratchet-type tensioning device, which comprises a base which is provided with a winding and unwinding mechanism, wherein the winding and unwinding mechanism comprises a ratchet wheel with gear teeth, and the base is further provided with an operating mechanism; and the winding and unwinding mechanism can be selectively locked or unlocked by the operating mechanism; and the operating mechanism is rotatably connected with a lever element having...