Internal Arm Patents (Class 238/348)
  • Patent number: 6325300
    Abstract: A rail retaining device has a shoulder that has a body portion, a hook-in leg portion and a bearing portion, and adapted to be pivoted from an installation position. To install the device, the body portion is inclined relative to a plate form tie, and the hook-in leg portion is inserted through an aperture in the tie. The shoulder is moved to an erected position, in which the hook-in leg portion engages an underside of the plate tie and the bearing portion engages on an upper side of the tie. A clip is located relative to the shoulder by engagement with the shoulder is inserted between a side surface of the body portion and a rail flange and retains the shoulder in an erected position.
    Type: Grant
    Filed: February 24, 2000
    Date of Patent: December 4, 2001
    Inventor: Jude O. Igwemezie
  • Patent number: 4967954
    Abstract: An adjustable rail seating and fastening device that maintains and adjusts gauge of a rail and secures a rail to a rail support or tie plate, positively engages the rail support at both ends of the device, and provides a biasing element to maintain the engagement between the device, the rail support and the rail.
    Type: Grant
    Filed: December 15, 1988
    Date of Patent: November 6, 1990
    Assignee: American Track Systems, Inc.
    Inventor: Hans von Lange