End-pivoted Rail Patents (Class 246/387)
  • Publication number: 20090020655
    Abstract: An in-tie machine for moving the movable elements of a switching device, such as the switch points of a switch point assembly or the moving V-point of a movable point frog, with a sliding device which selectively engages a control rod with either a fixed seat or a moving seat, to shift the movable elements and lock them in place.
    Type: Application
    Filed: November 18, 2004
    Publication date: January 22, 2009
    Inventor: Maurizio Biagiotti
  • Patent number: 6158697
    Abstract: A railroad frog assembly is provided with a spring wing rail latch holdback subassembly that continuously retains the spring wing rail in a spring wing rail fully open position when activated by the wheels of a railcar traversing the frog assembly, and that automatically deactivates the latch holdback subassembly and releases the spring wing rail from retention in an open condition and for complete closing after the last railcar wheel has passed through the frog assembly.
    Type: Grant
    Filed: February 17, 1999
    Date of Patent: December 12, 2000
    Assignee: ABC Rail Products Corporation
    Inventors: Keith Young, Stephen R. Kuhn
  • Patent number: 4917339
    Abstract: In a reversing device for rails which are swivelable around a swivelling axis, or for movable frogs within the crossing area of a railway switch, the swivelable rails or, respectively, the movable frogs are supported in their position being in alignment with wing rails or, respectively, connecting rails or, respectively, being in contact with such rails by supporting ro)$
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: April 17, 1990
    Assignee: Voest-Alpine Maschinenbau Gesellschaft m.b.h.
    Inventors: Gerald Durchschlag, Alfred Lang, Franz Rotter, Dieter Fritz, Heinz Kopilovitsch
  • Patent number: 3977635
    Abstract: Railway switch for Vignoles rails, comprising a frog tip and wing rails arranged for swivelling movement, each of the wing rails engaging the frog tip in a respective end position and being supported in this position by supporting members resting against the railway sleepers, the movement of the supporting members and the movement of the wing rails being effected in mutual dependence, the supporting members being guided in longitudinal direction of the corresponding wing rails by guide members on the railway sleepers and the supporting members cooperating with abutments protruding from the wing rails and fixed to the web of the wing rails.
    Type: Grant
    Filed: June 5, 1975
    Date of Patent: August 31, 1976
    Assignee: Vereinigte Osterreichische Eisen- und Stahlwerke-Alpine Montan Aktiengesellschaft
    Inventors: Robert Pirker, Hannes Lindner