Patents by Inventor Albin Ubelhart

Albin Ubelhart 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).

  • Pulling device, preferably to pull a blind of a window blind assembly inwardly and outwardly, and an assembly incorporating such device
    Patent number: 5280818
    Abstract: A pulling device, which serves preferably to pull in and out a cloth or blind of a window blind assembly, has a pulling cable. Opposite ends of the cable are mounted at the bottom ends of guide rails that are arranged on opposite sides of the cloth. From such attached ends, the cable is guided over deflecting rollers in a hollow member and is wound at least once therein around two rollers that are forced apart by a spring element, in particular a gas pressure spring. The hollow member has at opposite ends thereof respective sliding elements that guide the hollow member along the guide rails. The hollow member is attached to the end of the cloth that is to be moved. The entire length of the cloth can be pulled outwardly uniformly by the pulling device.
    Type: Grant
    Filed: June 19, 1992
    Date of Patent: January 25, 1994
    Assignee: Sonne Regen AG
    Inventor: Albin Ubelhart