Office chair has back rest which reclines about axis at ends of L-shaped levers mounted on its base, seat sliding forward in synchronization with back rest and axis maintaining constant position above seat

摘要

The office chair has a back rest (15) which reclines about an axis (12) at the ends of L-shaped levers (16) mounted on its base. The seat (14) slides forward in synchronization with the back rest. The axis is always 50 -200mm above the seat for all positions of the back rest.