Office Chair Recline Angle Lock

The office chair recline angle lock function allows for adjusting and fixing the backrest angle, providing a comfortable, healthy, efficient, and safe sitting experience. The specific uses, locking methods, and adjustment suggestions are as follows:

Uses

1. Enhance Comfort and Personalized Experience
   Users can freely adjust and lock the backrest tilt according to their needs, adapting to different work scenarios (such as focused office work, meeting discussions, etc.), and avoiding fatigue caused by a fixed sitting posture.

2. Protect Spinal Health
   Combined with ergonomic design, the locking function maintains the natural curve of the spine, disperses intervertebral disc pressure, reduces damage to the cervical and lumbar spine from prolonged sitting, and prevents occupational diseases.

3. Improve Work Efficiency
   A comfortable sitting posture reduces distractions caused by physical discomfort, while maintaining focus through dynamic adjustments (such as returning to an upright position after a short rest) and alleviating fatigue to enhance efficiency.

4. Enhance Stability and Safety
   Once locked, the backrest remains fixed, preventing accidental sliding or tipping; some high-end models incorporate wheel locking functions to further ensure stability when the chair is in a fixed position.

Locking Methods

1. Handle/Lever Lock

   • Location: A plastic or metal lever on the right side beneath the seat.
   • Operation: Pull the handle backward and lean back the backrest. Release it when reaching the desired angle, and a clicking sound indicates it is locked; to reset, pull the handle again and sit upright.

2. Knob Adjustment System

   • Location: Near the center of the seat bottom, close to the支柱 (support column).
   • Operation: Rotate clockwise to increase recline resistance and counterclockwise to decrease it; some models require pulling out the knob to adjust the angle and then pressing it to lock. Refer to the instruction manual for details.

3. Push-Pull Button Type

   • Location: Independently set or integrated beside the handle.
   • Operation: Pull out the button to unlock the recline function, adjust the angle, and then press the button to lock it.

Adjustment Suggestions

1. Office Mode: Lock the backrest at 100°-110° to disperse intervertebral disc pressure and prevent imbalance when leaning forward.
2. Short Break: Switch to the rocking mode, adjust the recline damping to match your weight, with an angle of 110°-135°, and use the footrest and armrest linkage function to achieve zero-pressure release of the spine.
3. Dynamic Sitting Posture: Switch between "upright sitting-slight recline-deep recline" postures every 45 minutes to activate back muscles.
4. Safety Check: Regularly confirm that the底盘 (chassis) locking catch is in the locked position when upright.