Patents by Inventor Floyd P. Ellzey

Floyd P. Ellzey 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: 4326622
    Abstract: The combination of an escalator and a wheel chair, the escalator having side walls between which an endless belt of flights is moved, there being a track extending between lower and upper platforms at which at least one has one or more control gates to govern the escalator speed, the wheel chair having spaced side frames with main wheel supports spaced from downwardly extensible front wheel supports and controlled in response to the track to depress said front wheel supports to maintain the horizontal disposition of the wheel chair during vertical displacement of the flights when transported between said platforms.
    Type: Grant
    Filed: December 11, 1980
    Date of Patent: April 27, 1982
    Inventor: Floyd P. Ellzey
  • Patent number: 4016818
    Abstract: A monorail track switch comprised of two swinging switch beams pivoted to track beam ends from which the wheeled trucks of trains are to be directed onto a continuing main line track beam, freedom for switch movements being provided for by anti-friction articulation of all members thereof, and characterized by a retractile gate that is replaceable between the free end faces of the two swinging switch beams respectively, and the opposed end face of the continuing main line track beam.
    Type: Grant
    Filed: September 2, 1975
    Date of Patent: April 12, 1977
    Inventor: Floyd P. Ellzey