ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,208, issued on March 4, was assigned to Plasser & Theurer Export von Bahnbaumaschinen GmbH (Vienna).
"Tamping unit and method for tamping sleepers of a track" was invented by Reinhard Boeck (Aschach An der Donau, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tamping unit for tamping sleepers of a track includes a tool carrier supported in a lowerable manner on an assembly frame, on which two pivot levers with tamping tools are mounted so as to be squeezable toward one another and, while being actuatable with a vibration, are rotatable about a respective rotation axis. A sensor for recording a pivot angle of a pivoting motion about the rel...