ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,073, issued on Sept. 23.
"Quick-connect coupler apparatus" was invented by Colburn D. Davis (Edmonds, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quick-connect coupler having a radially-expandable retaining ring to eliminate the need for a compression spring to set a retraction sleeve in a resting locked position. A fluid delivery quick-connect coupler includes a male insertion member and a female retaining coupler formed with a series of corresponding apertures, chamfered surfaces and radially extending flanges to produce a mechanical interference fit to releasably lock the male insertion member to the female retaining coupler with a re...