Backrest attachment device

US7552975B2 · kind B2 · utility

Assignee

• SEDUS STOLL AG · DE

Inventors

• Klaus Maier · Bösingfeld, DE
• Kurt Buntru · Eberfingen, DE

Key dates

• Filing date: Apr 19, 2007
• Grant date: Jun 30, 2009
• Expiry date: Apr 19, 2027

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A47C3/023
• WIPO field: Furniture, games
• WIPO sector: Other fields

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.