ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,945, issued on May 13.
"Tube connection and its mechanism" was invented by Liheng Liu (Portland, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quick-connect and rotatable tube connection comprises a male connector with tiered outer teeth and a female connector with tiered internal annular grooves, which hold the teeth and allow their movement within the grooves. Each groove includes a groove-wall that features cross-channels, enabling the teeth to pass through and enter adjacent annular grooves. Through relative coaxial rotation, aligning or misaligning the teeth with the cross-channels, combined with axial pushing or pulling actions, the co...