ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,359, issued on Dec. 2.

"Ratchet winding mechanism and an outdoor sports outfit" was invented by Yuxuan Liu (Jiangsu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ratchet winding mechanism, comprising a fixed bracket, one end of said fixed bracket being a connecting end, and its other end being a winding end; a winding shaft, said winding shaft being rotatably mounted at the winding end of fixed bracket, through which wire line is wound; at least two ratchets, said ratchets being fixedly mounted on two sides of said winding shaft, and space between two ratchets forming a winding space; an elastic limiting member, one end of said elastic limi...