ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,640, issued on Oct. 21, was assigned to Nimbus Group GmbH (Stuttgart, Germany).
"Socket with an extendable collar for a luminaire" was invented by Sascha Freudenberger (Bietigheim-Bissingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric socket for a mains plug with two contact pins includes a base with a front face having two holes with two contacts arranged behind the holes for electrical contacting a contact pin inserted through. A collar is mounted on the base to be movable from a rear end position into a front end position where the collar protrudes further forwards beyond the front face of the base than in the rear end posi...