Patents Assigned to Plasser & Theurer, Export von Bahnbaumachinen, Gesellschaft m.b.H.
  • Machine group and method for cleaning ballast of a track
    Patent number: 9416509
    Abstract: A machine group for cleaning ballast of a track includes a first machine, having an endless clearing chain for ballast cleaning, and a second machine preceding the former with regard to a working direction and having a pick-up device for picking up cleaned ballast pre-deposited on the track. A third machine is arranged to precede the second machine. The third machine has two shoulder excavating devices for picking up the ballast located in a shoulder region of a ballast bed, and a second screening plant for cleaning the picked-up ballast.
    Type: Grant
    Filed: March 8, 2012
    Date of Patent: August 16, 2016
    Assignee: Plasser & Theurer, Export von Bahnbaumachinen, Gesellschaft m.b.H.
    Inventors: Josef Theurer, Herbert Woergoetter