| 摘要 |
A life preserver used in pairs characterized by an inflatable air bag with an opening through the center for an arm to slip through. An arc-shaped inflator is attached to the top of the air bag. This also serves as a pull catch for extracting the folded pair of life preservers from pockets where they are stored. The air bag is preferably made from a strong, thin, airtight material. A belt, one end of which attaches inside the pocket where the folded air bag is stored, is attached to the bottom of the air bag, and remains attached after the air bag is extracted, inflated and put to use.
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