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This mechanism for task chairs, thanks to the technical solution, combine robustness and flexibility.
Advanced product in terms of performance and compactness in relation to price is excellent for creating robust and elegant chairs.
Assembled with the seat art. 811 achieve the seat slider function in economical way.


    Tilt: 21°
    Automatic stop search
    5 locking positions using a button
    Safety antishock system
    Tilt: 9°
    Work position: 0°
    Distance between seat holes: 153×200 mm
    Distance between back-bars connection holes: 3 holes 40×40 mm, 4 holes 25×40 mm
    145 mm forward pivot point
    Different main springs are available to fit different users size



    • EN1335-3:2000 par. 7
    • ANSI-BIFMA X5.1 - 2002/5
    • ANSI-BIFMA X5.1 - 2002/11
    • ANSI-BIFMA X5.1 - 2002/16


  1. Turn the lever for chair height adjustment
  2. Push the button once to lock the swing
  3. Push the button once again to release the swing
  4. Turn the handwheel to adjust swing intensity

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