It is a device that is installed on the body of the side of the automobile, which is in between the door and the ceiling. It improves the interior design of the automobile and protects the head of the passenger in the case of a collision.
Plastic injection moldings are usually used, but in luxury automobiles, products wrapped in fabric are applied to give a soft and comfortable feeling. A surface material similar to fiber, which is created by adding materials to plastic injections, or a lightweight material that maintains the existing rigidity but reduces the weight is also being used. In particular, for the pillar posts, a shock-absorbing structure design is essential to satisfy the FMH impact performance in accordance with FMVSS 201 for the protection of interior parts for passengers.
It is a device that protects passengers with interior parts attached inside the automobile. It is called an A (front), B (center), or C (read) pillar depending on its position.
