ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,495,869, issued on Dec. 16, was assigned to Ningbo Xuding Rigging Co. Ltd (Zhejiang, China).
"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 relates to an anti-jamming ratchet-type tensioning device, comprising a base, a winding and unwinding mechanism with a ratchet wheel, and an operating mechanism. The operating mechanism controls locking or unlocking via a lever element, with an elastic check claw provided at the executing end of the lever element to prevent reverse rotation of the ratchet wheel. The key feature lies in the design of the...