ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,383, issued on June 2, was assigned to CONTEC-Maschinenbau-& Entwicklungstechnik GmbH (Alsdorf, Germany).
"Device for milling in particular rock and other materials" was invented by Ulrich Bechem (Hagen, Germany) and Philip Bechem (Iserlohn, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a device (1) for milling processing for example rock and other materials (2), having a spindle drum (5) rotatable mounted on a drum carrier (3) around a drum axis (4), on which several tool spindles (6) are mounted to rotate about spindle axes (7) eccentrically with respect to the drum axis (4), wherein the tool spindles (6) are arra...