Chair with support on bottom part and seat mounted with connecting lever

摘要

The front (1.1) of the support (1) is linked to the front of the seat (2) by a connecting lever (4) mounted at both ends. The back (1.2) of the support has the back of the seat and a backrest support (5) synchronously and adjustably linked to it. The back of the support incorporates a backwardly convex guide curve (1.3) in which the backrest support is guided. The back seat section (2.3) mounted on a back link (2.2) is simultaneously guided in the guide curve to match the lower end of the backrest support.