Patents by Inventor Rolf Scholz

Rolf Scholz 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).

  • Spring unit for weight adjustment of a chair
    Patent number: 6659555
    Abstract: A spring unit (11) for the weight setting of a chair (1), in particular an office chair, having a gas spring (12) and having a number of further spring elements (17, 18, 19; 27, 28) which can be connected up to the gas spring (12) individually or in combination. The spring unit (11) is expediently arranged between a seat carrier (7) connected to a rotary column (8) of the chair (1), and the seat (3), or a backrest link (4) which extends at least approximately parallel to said seat (3) and belongs to a backrest (2).
    Type: Grant
    Filed: August 3, 2000
    Date of Patent: December 9, 2003
    Assignee: Koenig + Neurath AG
    Inventors: Rolf Scholz, Frank Weisser, Armin Sander, Martin Potrykus