Patents by Inventor Frank A. Elbl

Frank A. Elbl 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).

  • Patent number: 6016889
    Abstract: A fall protection device for protecting a user from falling while climbing a pole includes a housing dimensioned to fit over a top end of the pole. THe housing comprises a closed end and an opposite open end, through which the top end of the pole is received. In one embodiment, a pivot pin is fixedly connected to and extends upwardly from the closed end of the housing in a substantially vertical direction. A swing arm assembly includes an extended portion connected to a hollowed swing portion having a swing axis and an interior surface. The swing portion is dimensioned to receive the pivot pin and to house at least two bearing assemblies. Each of the bearing assemblies is axially disposed between the pivot pin and the interior surface of the swing portion. In another embodiment, the swing arm assembly includes a cam follower assembly connected to the extended portion.
    Type: Grant
    Filed: July 7, 1997
    Date of Patent: January 25, 2000
    Assignee: Commonwealth Edison
    Inventors: James L. Pearcy, Frank A. Elbl