ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,190, issued on Aug. 12, was assigned to Plasser & Theurer Export von Bahnbaumaschinen Gesellschaft (Vienna).
"Tamping unit for tamping sleepers of a track" was invented by Herbert Woergoetter (Engerwitzdorf, Austria), Andreas Poeschl (St. Georgen an der Gusen, Austria) and Nikolaus Matzinger (Oberneukirchen, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tamping assembly for tamping sleepers of a track has a tamping unit with tamping tools. The tamping tools are located opposite one another, are mounted on a height-adjustable tool support, and, by way of drives, can be caused to vibrate and can be fed relative to each other. Each tamping t...