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:
Jun. 30, 2009
Filed:
Apr. 19, 2007
Klaus Maier, Dachsberg, DE;
Kurt Buntru, Stuehlingen/Eberfingen, DE;
Klaus Maier, Dachsberg, DE;
Kurt Buntru, Stuehlingen/Eberfingen, DE;
Sedus Stoll AG, Waldshut, DE;
Abstract
A backrest attachment device for a chair is disclosed and includes a metal bow with two bends that is designed such that a shorter intermediate piece with a 90° bend is connected to a comparatively long flank, the shorter intermediate piece in turn having connected thereto a shorter end piece with a 90° bend, wherein an intended level formed by the long flank and the intermediate piece and an intended level formed by the intermediate piece and the end piece are perpendicular to each other, and wherein the metal bow is insertable with a long flank portion thereof through an elongated hole introduced into the backrest frame and interlocked with a simple rotary motion in an interlocking mechanism within the backrest frame, and wherein the end piece of the metal bow is connectable to the frame of the chair.