ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,706, issued on Nov. 18, was assigned to OilQuick Deutschland KG (Steindorf, Germany).
"Quick coupler" was invented by Stefan Schauer (Kissing, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quick coupler for changing an attachment on a construction machine includes a carrier with a first receptacle arranged on one side of the carrier for receiving and holding a first coupling element and a second receptacle arranged on the other side of the carrier for receiving a second coupling element spaced from the first coupling element; a locking device associated with the second receptacle for lockably holding the second coupling element, with a dr...