Patents by Inventor Oskar Knaus

Oskar Knaus 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).

  • Chair, in particular work chair
    Patent number: 6454353
    Abstract: A chair has a seat shell, a cushion having a front edge which extends outwardly beyond a front edge of the seat shell, a shaft arranged under a seat surface, an actuating element connected with the shaft and also connected with the front edge of the cushion, at least one first toothed disc arranged on the shaft, an endless element guided on the toothed disc and connected with the seat shell, a second toothed disc which together with the first toothed disc is displaceable parallel to the seat shell, so that by raising or lowering of the actuating element the front edge of the cushion is displaceable forwardly or rearwardly.
    Type: Grant
    Filed: February 22, 2001
    Date of Patent: September 24, 2002
    Assignee: Interstuhl Bueromoebel GmbH & Co. KG
    Inventor: Oskar Knaus
  • CHAIR, IN PARTICULAR WORK CHAIR
    Publication number: 20020113473
    Abstract: A chair has a seat shell, a cushion having a front edge which extends outwardly beyond a front edge of the seat shell, a shaft arranged under a seat surface, an actuating element connected with the shaft and also connected with the front edge of the cushion, at least one first toothed disc arranged on the shaft, an endless element guided on the toothed disc and connected with the seat shell, a second toothed disc which together with the first toothed disc is displaceable parallel to the seat shell, so that by raising or lowering of the actuating element the front edge of the cushion is displaceable forwardly or rearwardly.
    Type: Application
    Filed: February 22, 2001
    Publication date: August 22, 2002
    Inventor: Oskar Knaus