Frog Obviating Patents (Class 246/417)
Single ral (Class 246/418)
  • Railroad spring frog assembly
    Patent number: 6224023
    Abstract: An improved railroad trackwork spring wing frog is provided with a rail-closer having a single compression spring whose reaction forces are applied to the frog spring wing rail through movable linkages that are each connected to the spring wing rail at different spaced-apart position and that each abut the single compression spring.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: May 1, 2001
    Assignee: ABC Rail Products Corporation
    Inventors: Keith Young, Stephen R. Kuhn