Patents by Inventor Rainer Stummer

Rainer Stummer 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).

  • Self-clamping handrail drive
    Patent number: 9556005
    Abstract: A self-clamping handrail device includes a belt-handrail compound comprising a first belt, a second belt coupled to the first belt, and a handrail coupled to the second belt, a counter bar and a clamping frame configured to support the belt-handrail compound as the belt-handrail compound passes between the counter bar and the clamping frame, the clamping frame configured to move about a clamping curve based on a tension force applied to the handrail, and the first belt and the second belt applying a normal force to the handrail based at least in part on the tension force.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: January 31, 2017
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Walter Srb-Gaffron, Alexander Turek, Rainer Stummer
  • SELF-CLAMPING HANDRAIL DRIVE
    Publication number: 20160016760
    Abstract: Embodiments are directed to a self-clamping handrail device comprising: a belt-handrail compound comprising a first belt, a second belt coupled to the first belt, and a handrail coupled to the second belt, a counter bar and a clamping frame configured to support the belt-handrail compound as the belt-handrail compound passes between the counter bar and the clamping frame, the clamping frame configured to move about a clamping curve based on a tension force applied to the handrail, and the first belt and the second belt applying a normal force to the handrail based at least in part on the tension force.
    Type: Application
    Filed: March 14, 2013
    Publication date: January 21, 2016
    Applicant: OTIS ELEVATOR COMPANY
    Inventors: Walter Srb-Gaffron, Alexander Turek, Rainer Stummer