ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,934, issued on Dec. 2, was assigned to AVS Ingenieur J.C. Romer GmbH (Grafenau, Germany).
"Plug-in insert" was invented by Gunther Silberbauer (Grafenau, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A plug-in insert designed for releasably coupling a tubular element to the main body is disclosed. The plug-in insert can have a plug-in sleeve, a fixing element, and a release member. The fixing element can releasably fix the tubular element inserted via an insertion opening in the plug-in sleeve, and the release member cooperating with the fixing element in such a way that the fixing of the tubular element is released by an axial movement of t...