Office Chair 90

Information related to 'Office Chair 90' primarily involves armrest design and rotation angle classification.

I. 90-Degree Folding Function in Armrest Design
Some office chairs feature a 90-degree folding structure in their armrest design, such as the Deli computer chair. The core advantage of this design is space-saving: when users do not need the armrests, they can fold them upward or inward to a 90-degree vertical position, reducing the overall width of the chair. This is particularly suitable for small apartments or office environments with limited space. Additionally, the folding function facilitates easy storage or sliding the chair under a desk, enhancing space utilization. Such designs are commonly found in home computer chairs or multifunctional office chairs, balancing practicality and flexibility.

II. 90-Degree Semi-Swivel Chairs in Rotation Angle Classification
Office chairs can be classified into semi-swivel chairs and full-swivel chairs based on their rotation capabilities. Among them, semi-swivel chairs have a rotation angle of 90 degrees to the left and right (total range of 180 degrees), making them a common type of office or computer chair. These chairs are typically used in scenarios requiring limited range of motion, such as beside conference tables or at fixed workstations, meeting the need for slight turning while avoiding potential distractions from full-swivel chairs (360-degree rotation). Semi-swivel chairs have a relatively simple structure and lower cost, suitable for users with low rotation function requirements.

III. Applicable Scenarios and Selection Suggestions for 90-Degree Design

1. Space Optimization Needs: If the office area is small, prioritize chairs with 90-degree folding armrests to flexibly adjust occupied space.
2. Functional Positioning Differences: Semi-swivel chairs are suitable for fixed-direction use, while full-swivel chairs are ideal for scenarios requiring frequent turning (such as creative work or collaborative environments).
3. Ergonomic Balance: The 90-degree design should be evaluated in combination with other parameters (such as lumbar support and seat depth adjustment) to avoid sacrificing overall comfort for a single function.

Summary: The '90-degree' feature in office chairs is mainly reflected in the space-saving solution of armrest folding and the rotation range limitation of semi-swivel chairs. Users can select appropriate models based on actual needs (space size, usage frequency, functional preferences), while also paying attention to the overall ergonomic design of the chair to ensure long-term health during use.