| 摘要 |
PROBLEM TO BE SOLVED: To respond flexibly to the requirement of the bag form which is different depending on the operating ground and the vehicle sort, by preparing only one sort of air bag. SOLUTION: Either one side of the recesses 6 of a reaction can 20 or the projections 7 of a bag 40 is provided at least in three positions. Or, both the recesses 6 and the projections 7 are provided in three positions or more. As a result, the combinations of the engaging positions of the recesses 6 and the projections 7 are made plural, and the developing form of the bag 40 can be changed by selecting and converting the engaging positions. |
