ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,596, issued on Dec. 9, was assigned to DR. JOHANNES HEIDENHAIN GMBH (Traunreut, Germany).
"Device and method for detecting an approach of a tool to a workpiece" was invented by Martin Seichter (Wonneberg, Germany) and Andreas Lahner-Prinz (Burghausen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for determining an approach of a tool to a workpiece in a machine tool with internal cooling supply includes a measuring arrangement, having a measuring graduation arranged in a rotationally fixed manner on a shaft and at least one position sensor arranged in a fixed manner relative to the shaft, and a data processor. The position sensor is...