US Patent Issued to SHANGHAI VISION MECHANICAL JOINT on Dec. 9 for "Quick coupler" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,764, issued on Dec. 9, was assigned to SHANGHAI VISION MECHANICAL JOINT Co. LTD (Shanghai).

"Quick coupler" was invented by Zhigang Lu (Shanghai), Zhibing Zhai (Shanghai), Jun Wu (Shanghai) and Xubin Lu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A quick coupler includes a top ring, a bottom ring and fasteners. The top ring may be engaged with the bottom ring to be assembled together; the top ring is provided with a top ring groove, and the bottom ring is provided with a bottom ring groove; the fasteners are loosely or tightly connected to the top ring and the bottom ring, so that the top ring and the bottom ring are fixed together as a ...