Patents by Inventor Christopher KRANZ

Christopher KRANZ 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: 9541160
    Abstract: An anti-backbend chain comprises a plurality of alternate chain links joined by respective chain hinges, a spring element comprising at least a first spring arm being provided. The spring element rests on a chain hinge and the first spring arm extends to a neighbouring chain hinge and is movably in contact therewith under the biasing force of the spring element, so as to obstruct bending of the anti-backbend chain in a first pivot direction. In addition, an anti-backbend chain drive is provided, in particular a chain drive for driving automated door or gate systems.
    Type: Grant
    Filed: May 1, 2014
    Date of Patent: January 10, 2017
    Assignee: IWIS ANTRIEBSSYSTEME GMBH & CO. KG
    Inventors: Christopher Kranz, Orhan Sahin
  • Publication number: 20140329632
    Abstract: An anti-backbend chain comprises a plurality of alternate chain links joined by respective chain hinges, a spring element comprising at least a first spring arm being provided. The spring element rests on a chain hinge and the first spring arm extends to a neighbouring chain hinge and is movably in contact therewith under the biasing force of the spring element, so as to obstruct bending of the anti-backbend chain in a first pivot direction. In addition, an anti-backbend chain drive is provided, in particular a chain drive for driving automated door or gate systems.
    Type: Application
    Filed: May 1, 2014
    Publication date: November 6, 2014
    Inventors: Christopher KRANZ, Orhan SAHIN