| 摘要 |
An inflator which can be easily and simply manufactured without disassembly. The inflator includes a bottle connected to a diffuser. The bottle includes projections and key grooves formed on its periphery. The projections extend in the peripheral direction and the grooves extend in the axial direction. The diffuser includes guide groves on its inner periphery for guiding the projections of the bottle when the diffuser and the orifice member are coupled with each other. The diffuser also includes grooves which mate with the projections either component rotates, and key grooves which align with the key grooves of the bottle. Keys are inserted into the key grooves to prevent the bottle and the diffuser from rotating.
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