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853
FORWARD PIVOT SYNCHRONIZED TILTING MECHANISM WITH ANTISHOCK SEAT-SLIDER AND SEAT ANGLE LIMITER

This mechanism for operational chairs retains the innovative design and the characteristics of the 843 model, with the additional seat angle variation function by means of a push button that limits the mechanisms forward stroke (seat 4°, backrest 13°).

  • SPECIFICATIONS

    BACKREST
    Tilt: 21°
    Automatic stop search
    5 locking positions using a button
    Safety antishock system
    SEAT
    Tilt: 9°
    Work position: 0°
    Seat slider with return spring with a 50 mm seat stroke and 5 locking positions using a lever
    OTHERS
    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
    Backrest forward stroke limiting device with button
    UPON REQUEST
    Different main springs are available to fit different users size

     

  • TECHNICAL DRAWINGS

  • TEST REPORT

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

  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
  5. Turn the lever to lock and unlock the seat-slider
  6. /7. Push the buttons to limit the mechanism stroke

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