Patents Assigned to DS Industrial & Marine Co., Inc.
  • Rail car moving system
    Patent number: 4926755
    Abstract: A rail car moving system including a double truck assembly which is operative in a guide track alongside the rail track for applying a pushing force to a rail car. The double truck assembly includes pusher arms which are movable from a recessed position to a raised position in order to apply a force onto the side frame of a rail car. The pusher arms are spring loaded for raising the arms and a hydraulic cylinder-piston is provided to lower the pusher arms. A cable-winch is used for applying the moving force.
    Type: Grant
    Filed: December 27, 1988
    Date of Patent: May 22, 1990
    Assignee: DS Industrial & Marine Co., Inc.
    Inventor: Donald S. Seiford, Sr.
  • Connector with a locking mechanism and connector box therefor
    Patent number: 4815887
    Abstract: A connector with a locking mechanism and a connector box therefor. The connector box is made with one side for a connector element and the opposite side includes a holding element. Therefore, connector boxes are secured in a device to be secured together so that the connector boxed are oppositely disposed. A connector element is secured in each connector box and rotated to cooperate with the oppositely disposed holding element to secure the two devices together.
    Type: Grant
    Filed: December 17, 1986
    Date of Patent: March 28, 1989
    Assignee: DS Industrial & Marine Co., Inc.
    Inventor: Donald S. Seiford, Sr.