Bolster-positioned Patents (Class 213/11)
  • Apparatus for cushioning shock forces acting on the underframe of a railway car
    Patent number: 4364482
    Abstract: A rigid draft and buffing sliding sill includes cushion elements operably attached thereto for absorbing shocks generated during buff or draft operating conditions. The draft and buffing sliding sill extends lengthwise of the underframe of a railway car. At least one of the cushion elements remains inactive until the shock forces acting on the underframe exceed a predetermined magnitude.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: December 21, 1982
    Assignee: Dresser Industries, Inc.
    Inventor: Walter C. Dilg