Patents by Inventor Klaus Fichtner

Klaus Fichtner 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).

  • Gearless cable lift with a dual wind drive disk mechanism
    Publication number: 20040129501
    Abstract: The invention relates to a gearless cable lift with a drive disk mechanism which is dually wound by several bearer cables, comprising a counter disk (3), an elevator car (6), guide tracks for the elevator car (6) and a counter weight, especially for installation with a machine room. According to the invention, the bearer cables are guided in semicircular grooves and the ratio of the drive disk diameter to the nominal diameter of the bearing cables is 40.
    Type: Application
    Filed: July 2, 2003
    Publication date: July 8, 2004
    Inventors: Horst Wittur, Dietmar Kuntscher, Klaus Fichtner