Patents Assigned to Swingmaster Corporation
  • Patent number: 8839478
    Abstract: Railroad track cleaning assemblies and apparatus are described. An example railroad track cleaning assembly includes a movable carriage movably coupled to a frame to which a plurality of wheels are operably coupled to enable the frame to move on railroad tracks. Additionally, the railroad track assembly includes a shaft rotatably coupled to the movably carriage to receive one or more brushes that are to be rotated and engage one of the railroad tracks and a spring assembly coupled to the movable carriage and to the frame to bias, via the movable carriage, the one or more brushes into engagement with the one of the railroad tracks.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: September 23, 2014
    Assignee: Swingmaster Corporation
    Inventors: Dan A. Grammatis, John Kim
  • Patent number: 5651317
    Abstract: A tie exchange attachment for removing and installing track and switch ties having a clamp for gripping the ties for removal and insertion. Rail clamps are used to lift rails during removal and installation. A kicker is used to break the tie loose. The rail clamp is adjustable to adapt to track and switch ties.
    Type: Grant
    Filed: September 23, 1996
    Date of Patent: July 29, 1997
    Assignee: Swingmaster Corporation
    Inventor: John C. Kim