ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,909, issued on March 3, was assigned to Maschinenfabrik Berthold Hermle AG (Gosheim, Germany).
"Motor spindle" was invented by Uwe Mattes (Denkingen, Germany), Ajet Ademi (Rottweil, Germany) and Franz-Xaver Bernhard (Spaichingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A motor spindle including a sleeve-shaped stator, which has a first coupling receptacle and a second coupling receptacle, further including a rotor, which has a first coupling part with axial fixed bearing and a second coupling part with axial loose bearing, which are to be mounted to the respective coupling receptacle, the axial loose bearing comprising an inner ring m...