ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,786, issued on Nov. 18.

"Trailer connecting mechanism and trailer" was invented by Dajin Wu (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a trailer connecting mechanism, including: a first connecting assembly, a connecting member movably connected to the first connecting assembly, and a second connecting assembly connected to the connecting member; and the first connecting assembly is further connected to a trailer, and the second connecting assembly is further connected to a power-assisted vehicle; and the second connecting assembly is adjustably arranged relative to the connecting member. In the trailer connecting m...