ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,927, issued on June 24, was assigned to CHIA CHERNE INDUSTRY Co. LTD. (Chang Hwa, Taiwan).
"Quick-release connector switch device" was invented by Ching-Sheng Kuo (Chang Hwa, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quick-release connector switch device, for being equipped with a quick-release connector, includes an annular switch. The quick-release connector includes a first connector, a second connector and a pressing fastener, the first connector includes a first pipe body, the second connector includes a second pipe tube provided with a radial chute. The annular switch includes an annular chute, a through hole and a convex surface...