ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,005, issued on July 8, was assigned to OilQuick Deutschland KG (Steindorf, Germany).
"Quick-change system for changing attachments on a construction machine" was invented by Stefan Schauer (Kissing, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quick-change system for changing attachments on a construction machine includes a quick changer mounted to rotate in a drive housing of a rotary device and rotatable relative to drive housing by a rotary drive, and a rotary joint arranged in the drive housing with a stator and a rotor rotatable within stator to supply a working fluid to the quick changer. In order to permit simple and stable fasteni...