To provide an air bag capable of quickly expanding and deploying by avoiding damage to a gas guide via a simple configuration.SOLUTION: A curtain air bag 100 has an inflator 106, a cushion 102, and a gas guide 130 for guiding gas into the cushion. The gas guide includes: a first portion 140 enclosing a gas jetting port of the inflator; a second portion 142 wider than the first portion; a cavity 144 formed across the first portion and the second portion; a borderline 146 which is mountain-folded at a boundary of the first portion and the second portion; a first ridge line 150 and a valley strain line 152 which extend from the center of the borderline to partition the first portion and the second portion and are mountain-folded and valley-folded, respectively; a second ridge line 154 which is mountain-folded and partitions the second portion together with the valley strain line; and a pair of third ridge lines 158A, 158B which each extend from a point at which the valley strain line and the second ridge line are continuous to the opposite ends of the borderline and are mountain-folded.SELECTED DRAWING: Figure 3
エアバッグ
2023-08-23
Patent
Elektronische Ressource
Japanisch
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |