Patent ID: 10625703

Abstract:
A vehicle side airbag device including a shoulder protection part and a chest protection part that lifts an occupant's arm in a collision state while protecting the occupant's shoulder. A side airbag (1) is provided at a seat (2) and spread out in a non-inflated state, the contour on the front side in the vehicle body front-back direction has an inflection position C with a curvature change midway between the shoulder protection part X and the chest protection part Y, an upper edge line U upward and a lower edge line L downward from the inflection position. The inflection position is ahead of the shoulder protection part and above a center line F that extends lengthwise of an occupant upper arm A and divides the upper arm into upper and lower portions, and the lower edge line crosses the center line from an upper side to a lower side and positioned under the center line in a lower end position Au of the occupant upper arm.