ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,248, issued on Nov. 25, was assigned to Ningbo Pinchuan Auto Parts Co. Ltd (Ningbo, China).
"Towing device" was invented by Jichao Zeng (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A towing device includes a device body and a locking mechanism. The device body includes a trailing end and a mounting end. Each of opposite sides of the mounting end define a first through hole and a second through hole communicating with a tubular passage. The locking mechanism includes a driving assembly, a transmission assembly and a locking assembly connected in sequence. The transmission assembly and the locking assembly are respectively arranged ...