ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,779, issued on July 8, was assigned to Ott-Jakob Spanntechnik GmbH (Lengenwang, Germany).
"Device and method for monitoring a work spindle" was invented by Josef Greif (Friesenried, Germany), Wolfgang Bechteler (Ebenhofen, Germany), Bartholomaus Reisacher Jr. (Buchloe, Germany) and Florian Merz (Rieden, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a device for recording deformation of a rotor head of a work spindle, at least one magnet is arranged on a stator or a rotor of the spindle, the magnetic field of which penetrates a measurement section of the rotor head, which is traversed by an axial flow of force during clamping of a tool or ...