Office Chair 945 Arch-Shaped

The Quanpinwu 945 computer chair, as an arch-shaped chair, has the following core features:

1. Lumbar and Back Support Design
This chair adopts a hyperbolic backrest structure that actively fits the natural curvature of the human spine. Whether sitting upright for work or reclining for rest, the backrest can quickly locate support points through elastic deformation, helping to disperse lumbar pressure. This design helps maintain a neutral spine position, and long-term use can assist in correcting poor sitting postures and reducing the risk of lumbar muscle strain caused by prolonged sitting.

2. Optimized Nap Function
The chair supports a large-angle recline of up to 135°. When combined with the extended hidden footrest, it creates a resting space that is nearly flat. The headrest features an ergonomic curved design that supports the natural curvature of the cervical spine, preventing neck fatigue caused by a hanging head. This function is particularly suitable for office scenarios requiring short naps, but it is important to ensure the footrest is fully extended when reclining to maintain balance.

3. Seat Cushion Breathability and Load-Bearing Capacity
The seat cushion is filled with high-density foam, with a moderately firm surface and a wavy air vent structure at the bottom. This design ensures support while reducing buttock heat through air circulation, making it less likely to produce sweat stains during summer use with shorts. However, it should be noted that users weighing over 180 pounds have reported that the seat cushion feels too firm, possibly due to the compression and resilience characteristics of high-density foam. It is recommended that such users try sitting in the chair first.

4. Space Advantages of Arch-Shaped Legs
Compared to traditional five-star base chairs, the arch-shaped leg design reduces the bottom horizontal support structure, saving approximately 20% of floor space. Its streamlined chassis enhances stability by widening the contact surface, effectively preventing side-tipping even during large-angle recline. Additionally, the arch structure allows cleaning tools (such as robotic vacuums) to move freely, reducing hard-to-reach areas.

5. Moving Noise and Solutions
Although the chair is equipped with casters, significant noise may occur when sliding on hard surfaces such as tiles. This is mainly due to the high friction coefficient between the caster material and the floor, which can be reduced by laying carpets or adding silent caster covers. It should be noted that the casters are designed for short-distance movement. If frequent repositioning is required, it is recommended to use the chair on carpeted areas for an optimized experience.