Leg for office chair which is adjustable in height - has two concentric axles and upper end of one axle being within reach of seated user and height-adjustable from seated position

摘要

The leg has an axle (1) which is adjustable in height and is fixed to the seat plate (3). It has a second axle (2) which is concentric to the first axle and the upper end (4) of this is within reach of the hand of the user, when he is seated. The upper end of the axle can form the arm rest, which is adjustable in height. When the user holds the arm rest the seat is freed from all or part of his weight. This allows the height of the seat to be adjusted. USE - Leg for office chair whose seat height can be adjusted from seated position.