Patents Assigned to Schwihag Gesellschaft für Eisenbahnoberbau mbH
  • Switch tongues
    Patent number: 6464177
    Abstract: With a device for switching switch tongues the tongue tip of which lies on a roller plane of a slide chair, the switch tongue can be switched more easily when the front roller (7a) of a roller pair (6) is positioned lower than the rear roller (7b).
    Type: Grant
    Filed: July 17, 2000
    Date of Patent: October 15, 2002
    Assignee: Schwihag Gesellschaft für Eisenbahnoberbau mbH
    Inventor: Armin Heim
  • Switching device for switch tongues
    Patent number: 6290189
    Abstract: In a point-operating device for pressing one tongue (28) against a stock rail (3) and for simultaneous pull-off of another tongue (29) from an opposite stock rail (4), the operability is improved when between the stock rails/tongues of a point, a moving device, which is formed with at least four adjustable vertical spring assemblies (8, 9, 12, 13), is arranged.
    Type: Grant
    Filed: August 30, 1999
    Date of Patent: September 18, 2001
    Assignee: Schwihag Gesellschaft für Eisenbahnoberbau mbH
    Inventor: Armin Heim