Patent ID: 8746733

Claim:
A pillar garnish configured to be mounted on a vehicle, the vehicle being provided with an air bag apparatus which is disposed between a left or right edge of a roof trim and a vehicle body panel and which extends in a front-rear direction of the vehicle, wherein the air bag apparatus is unfolded downwards from a left or right side of the vehicle into an interior of the vehicle due to an impact load, the pillar garnish comprising: a main body that covers a pillar of the vehicle from the interior of the vehicle; an extension part that is formed integrally with the main body, the extension part being positioned on an upper side of the main body when the pillar garnish is mounted on the vehicle, wherein the extension part includes a guide surface at an upper end of the extension part, the guide surface controlling a direction in which the air bag apparatus is unfolded so that the air bag apparatus is unfolded into the interior of the vehicle when the air bag apparatus is inflated; and a box portion that is formed integrally with the main body and the extension part, the box portion being positioned between the main body and the pillar when the pillar garnish is mounted on the vehicle, wherein the box portion comprises; a back wall portion that extends in a vertical direction and that faces the pillar when the pillar garnish is mounted on the vehicle; a pair of side wall portions that are adjacent to the back wall portion and the main body and that extend in the vertical direction when the pillar garnish is mounted on the vehicle; and a fixing portion that is disposed near the back wall portion, the fixing portion fixing the pillar garnish to the pillar, wherein at least one of the side wall portions comprises a thick portion and a thin portion, the thin portion being disposed closer to the main body than to the back wall portion and the at least one of the side wall portions has a groove on the thick portion, the groove extending in the vertical direction when the pillar garnish is mounted on the vehicle.