Patents by Inventor Steven J. Dale

Steven J. Dale has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Free trolley for power and free conveyors
    Patent number: 5852979
    Abstract: A power and free conveyor system is provided which utilizes a difference in height between the wipe in power trolley and the wipe out power trolley, with or without a camming down of a retractable wide dog of the free trolley, to allow the wipe in power chain to wipe in over the retractable dog without any possibility of lateral interference. Thereafter the elevation of the wipe in power trolley and the wipe out power trolley are the same. Improved stop means operating to push down the retractable dog and therefore cause disengagement of the retractable dog from the power chain dog are also provided.
    Type: Grant
    Filed: August 28, 1997
    Date of Patent: December 29, 1998
    Assignee: Ford Motor Company
    Inventors: Dennis W. Desilets, Raymond L. Carlson, Steven J. Dale
  • Power and free conveyor system utilizing power track and dog elevation to prevent jamming conditions at transfers and switches
    Patent number: 5842421
    Abstract: A power and free conveyor system is provided which utilizes a difference in height between the wipe in power trolley and the wipe out power trolley, with or without a camming down of a retractable wide dog of the free trolley, to allow the wipe in power chain to wipe in over the retractable dog without any possibility of lateral interference. Thereafter the elevation of the wipe in power trolley and the wipe out power trolley are the same. Improved stop device operating to push down the retractable dog and therefore cause disengagement of the retractable dog from the power chain dog are also provided.
    Type: Grant
    Filed: July 30, 1996
    Date of Patent: December 1, 1998
    Assignee: Ford Motor Company
    Inventors: Dennis W. Desilets, Raymond L. Carlson, Steven J. Dale