Patents Assigned to Upcor, Inc.
  • Railroad frog crossing bolt and nut assembly for clamping railroad rail sections together
    Patent number: 5743496
    Abstract: A railroad frog crossing bolt and nut is provided for clamping railroad rail sections together. The bolt is provided with a head which has a radiused portion which is adapted to be received in a countersink area in either a beveled washer or a D-bar. The inner end of the nut is also radiused which is adapted to be received in a countersink area formed in a beveled washer or D-bar.
    Type: Grant
    Filed: February 19, 1997
    Date of Patent: April 28, 1998
    Assignee: Upcor, Inc.
    Inventor: Samuel G. Atkinson, Jr.