Chair with adjustable backrest, has adjustment device that has hinge plate attached at bottom surface of backrest and movable by pneumatic spring for adjusting inclination of backrest relative to seat frame

摘要

The chair (1) has an adjustment device for adjusting the inclination of a backrest (3) relative to a seat frame (2). The adjustment device has at least one hinge plate (5) attached at the bottom surface of the backrest, and movable by a pneumatic spring (4).