Patents by Inventor George E. Sheffield

George E. Sheffield 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).

  • Moving handrail drive belt tensioning device
    Patent number: 5207308
    Abstract: A spring loaded tensioning assembly is mounted on the truss of a moving walkway or escalator to apply pressure and tension to a moving handrail drive belt. The assembly includes a roller which is biased against the inside surface of the drive belt to urge the drive belt against the inside surface of the handrail. The tensioning assembly is an adjunct to the original equipment drive belt tensioner and can be retrofitted onto existing equipment in the field to extend the service life of the drive belt.
    Type: Grant
    Filed: May 18, 1992
    Date of Patent: May 4, 1993
    Assignee: Otis Elevator Company
    Inventors: George E. Sheffield, Albert E. Moniz
  • Golf tee holder
    Patent number: 5056697
    Abstract: A golf tee holder comprising an elongated receptacle slightly larger than the width of a tee that includes a longitudinal channel having one closed end, and a raised friction surface near the opening of the channel to prevent accidental removal of the tees from within the holder. The invention stores a plurality of tees in a very compact, easily accessible, lightweight durable holder.
    Type: Grant
    Filed: May 21, 1990
    Date of Patent: October 15, 1991
    Inventor: George E. Sheffield