Patents by Inventor George J. Bertels

George J. Bertels 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).

  • Storage and retrieval crane with dual drives
    Patent number: 5580206
    Abstract: A storage and retrieval crane system that includes a tower having a pair of spaced columns and a tower drive mechanism for moving the tower horizontally along a floor between storage racks. A carriage is coupled to a carriage drive mechanism for vertical movement between the columns, and a shuttle is coupled to a shuttle drive mechanism on the carriage for moving the shuttle horizontally from the carriage in directions lateral to direction of movement of the tower along the floor. At least one of the drive mechanisms, and preferably all of the drive mechanisms, include primary and secondary drive arrangements, and facility for selectively alternately connecting one or the other of the primary and secondary drive arrangements to drive the tower, carriage or shuttle.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: December 3, 1996
    Assignee: FKI Industries Inc.
    Inventors: Paul E. Redelman, George J. Bertels