Backrest attachment device

Details Backrest attachment device Backrest attachment device

A - Human Necessities

47

C

A47C 7/40 (2006.01)

Patent

CA 2585511

The present invention relates to a backrest attachment device for a chair (1). It comprises a metal bow (7) with two bends that is designed such that a shorter intermediate piece (9) with a 90° bend is connected to a comparatively long flank (8), the shorter intermediate piece (9) in turn having connected to it a shorter end piece (10) with a 900 bend, wherein the intended level formed by the long flank (8) and the intermediate piece (9) and the intended level formed by the intermediate piece (9) and the end piece (10) are perpendicular to each other, and the metal bow (7) can be inserted with its long flank (8) through an elongated hole (11) introduced into the backrest frame (6) and interlocked with a simple rotary motion in an interlocking mechanism (12) within the backrest frame (6), and wherein the end piece (10) of the metal bow (7) can be connected to the frame (4) of the chair (1).

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