Patents Assigned to Pullman Inc.
  • Hopper door locking and actuating mechanism
    Patent number: 4163424
    Abstract: Both an operating link and a locking hook member are secured on a shaft rotatably mounted on a hopper door. The hook member cooperates with a locking lug fixed relative to the hopper for securing the door closed. The operating link is both pivoted and pushed or pulled by a crank actuated by retainable handles for operating the hook member and opening and closing the door.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: August 7, 1979
    Assignee: Pullman Inc.
    Inventor: Thomas Lindauer
  • Locking arrangement for hopper car doors
    Patent number: 4158996
    Abstract: A locking arrangement for side dump discharge doors of a hopper car includes a keeper arrangement for receiving a rod type latch element with the keeper comprising a cylindrical housing containing a locking rotor. The rotor includes an open end slot which captures the latch element and rotates between locked and open positions.
    Type: Grant
    Filed: September 12, 1977
    Date of Patent: June 26, 1979
    Assignee: Pullman Inc.
    Inventors: Walter J. Marulic, Ray L. Ferris