Air bag for protecting heads of passengers of motor vehicle, has several empty chambers with their opening spaced at equal intervals for receiving gas from openings of gas passageway

摘要

Longitudinal cylindrical gas passageway (81) is extended at upper portion of an air bag. Openings (84,85) at spaced interval are provided in the gas passageway. Several empty chambers (66-69,70-74) are formed in the air bag progressing along longitudinal direction of air bag openings for gas receiving are formed in empty chamber and openings are located at equal distances and communicates with openings of the gas passageway.