ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,475, issued on April 22, was assigned to Wurth International AG (Switzerland).
"Bit holder with impact load protection unit" was invented by Udo Cera (Schwabisch Hall, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bit holder for holding a bit for coupling the bit with a drive tool, wherein the bit holder comprises a receiving unit which is configured for receiving the bit, a tool coupling which is configured for coupling with the drive tool, and an impact load protection unit which is configured for protecting from an impact load which is acting on the bit holder, in particular on a fixing sleeve of the bit holder, when impinging the bit h...