Parts of Office Chair, Names & Diagram

As all of you know, if we sit for a long period in one place, there are chances of back pain. In today’s corporate sectors, we have to sit for a minimum of 8 hours on the chair to do our work. Due to that, so many peoples are facing back pain issues. To get rid of the back pain, we use an office chair. These chairs are so comfortable. It helps to maintain a proper posture while working. Each part of the office chair has its importance. It’s every part helps to give a good posture while working. So it is necessary to have information on office chair parts and their functions.

Parts of Office Chair Diagram

Parts of Office Chair, Names & Diagram

Parts of Office Chair Names

  • Arms
  • Arm Pads
  • Chair Base
  • Casters
  • Headrest
  • Backrest
  • Seat Pad/Pan
  • Footring
  • Chair Mechanism
  • Pneumatic Cylinder
  • Spindle
  • Swivel
  • Cylinder Cover

Office Chair Parts


The arms of the chair support the arm and shoulder of the person while sitting on the chair. We can adjust the height of the arm as per our requirement. Its material is steel which bears a load.

There are 3 types of arms.

  1. Flip-up arm
  2. T-arm
  3. Loop arm

Arm Pads

Arm pads are the cushions on the arm to give smooth support to the arm. When a person sits on a chair, these pads give support. These are soft and made of foam. It improves the aesthetics of the chair.

Chair Base

It is a steel structure with a minimum of 5 wings. Its function is to give stability to the chair. It is large in diameter to maintain the stability of the chair.

The materials of the base are steel, aluminum, and polypropylene. It holds the caster on the extreme edge of the wings.


Casters are the rollers that help to rotate the chair. It is an assembly of the wheel, fork, and frame. When we sit on the chair, the caster helps to move the chair from one place to another with less effort.


The headrest is an extra arrangement on the chairs to support our heads while sitting on the chair. It is smooth and in aesthetically good shape.

It gives comfort to our necks. In the condition of the neck injury, the doctor recommends using a chair with a headrest.


It is a system available on the lower side of the chair. It supports our back or spinal cord and helps to get a good posture while working.

Seat Pad/Pan

It is a portion of the chair on which we sit. Its function is to provide comfort while sitting on a chair. It is made of foam and covered by leather.


A footring is a circular metallic ring connected to the base at a certain height. Its function is to give support to our feet.

Chair Mechanism

Its function is to adjust the chair as per your comfort. It has two levers to adjust the position. With the lever one, we adjust the backrest to move or fix.

With another lever, we can operate the pneumatic cylinder to adjust the chair height.

Pneumatic Cylinder

Its function is to adjust the upward and downward motion of the chair. Due to this cylinder, we can get a comfortable position while sitting.


It is attached to the pneumatic cylinder.


It helps the chair to rotate at 360 degrees.

Cylinder Cover

It protects the cylinder from dust particles entering the pneumatic cylinder. Plastic is the most common material for the cover.

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