Protection bag and protection apparatus for protecting head of automobile passenger
First Claim
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1. A protection bag for protecting a head of an automobile passenger disposed in an area between a ceiling and a side face of an automobile, comprising:
- a main bag section extending downwardly along a side face of an automobile upon introduction of a gas, and having a gas inlet section, and a plurality of small chambers formed in the main bag section and communicating with the gas inlet section to be inflated by gas introduced therein, at least one of the small chambers being curved along a direction of flow of the gas and having a spiral shape so that a part of said at least one small chamber is located adjacent to another part of said at least one small chamber through a partition for forming the spiral shape.
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Accused Products
Abstract
A protection bag for an automobile includes an introducing chamber extending along an upper side of the bag, and a plurality of small chambers disposed parallel to each other at a lower side of the introducing chamber. Some of the small chambers have a spiral shape. Gas inlet of the spiral small chamber faces a pass through port. The length of a gas flowing path of the small chamber is greater than the width of the small chamber. The protection bag can avoid outflow of gas from the small chambers and sufficiently absorb the impact on the passenger'"'"'s head.
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Citations
11 Claims
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1. A protection bag for protecting a head of an automobile passenger disposed in an area between a ceiling and a side face of an automobile, comprising:
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a main bag section extending downwardly along a side face of an automobile upon introduction of a gas, and having a gas inlet section, and a plurality of small chambers formed in the main bag section and communicating with the gas inlet section to be inflated by gas introduced therein, at least one of the small chambers being curved along a direction of flow of the gas and having a spiral shape so that a part of said at least one small chamber is located adjacent to another part of said at least one small chamber through a partition for forming the spiral shape. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
a protection bag as defined in claim 1; and
a gas generator for supplying the gas into the protection bag.
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10. A protection bag for protecting a head of an automobile passenger according to claim 1, wherein two small chambers in the spiral shape are located adjacent to each other along a longitudinal direction of the automobile, said two small chambers having inlets situated adjacent to each other.
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11. A protection bag for protecting a head of an automobile passenger according to claim 1, wherein said at least one small chamber in the spiral shape includes two ends, one end communicating with the gas inlet section and the other end being a closed end located at an inner part of the small chamber.
Specification