The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 2003
Filed:
Aug. 03, 2000
Applicant:
Inventors:
Rolf Scholz, Maintal, DE;
Frank Weisser, Pegnitz, DE;
Armin Sander, Pilsach, DE;
Martin Potrykus, Bamberg, DE;
Assignee:
Koenig + Neurath AG, Karben, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47C 7/40 ;
U.S. Cl.
CPC ...
A47C 7/40 ;
Abstract
A spring unit ( ) for the weight setting of a chair ( ), in particular an office chair, having a gas spring ( ) and having a number of further spring elements ( ) which can be connected up to the gas spring ( ) individually or in combination. The spring unit ( ) is expediently arranged between a seat carrier ( ) connected to a rotary column ( ) of the chair ( ), and the seat ( ), or a backrest link ( ) which extends at least approximately parallel to said seat ( ) and belongs to a backrest ( ).