Airbag and airbag arrangement
First Claim
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1. An airbag adapted to restrain an object, comprising:
- base cloths arranged in layers and between a support and the object;
compartments defined by said base cloths;
communicating portions arranged proximate an outer-periphery of the airbag, said communicating portions ensuring communicating between said compartments;
an exhaust portion arranged in one compartment on the side of said object, said exhaust portion being disposed at an inner periphery of the airbag and at a position interior of said communicating portions, said exhaust portion communicating with the outside;
an introduction portion arranged in another compartment, said introduction portion being disposed at said inner periphery with respect to said exhaust portion, said introduction portion serving to introduce gas into the airbag; and
fixing portions arranged around said introduction portion, said fixing portions connecting said base cloths for defining said another compartment.
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Accused Products
Abstract
An airbag includes first and second base cloths and a middle base cloth arranged therebetween for defining first and second compartments in the airbag. Gas communicating ports are arranged in the vicinity of the outer periphery of the middle base cloth to ensure gas communication between the two compartments. Four ring-shaped fixing portions are arranged around a gas introduction port to connect the second and middle base cloths, one of which has an exhaust port formed inside.
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Citations
16 Claims
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1. An airbag adapted to restrain an object, comprising:
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base cloths arranged in layers and between a support and the object;
compartments defined by said base cloths;
communicating portions arranged proximate an outer-periphery of the airbag, said communicating portions ensuring communicating between said compartments;
an exhaust portion arranged in one compartment on the side of said object, said exhaust portion being disposed at an inner periphery of the airbag and at a position interior of said communicating portions, said exhaust portion communicating with the outside;
an introduction portion arranged in another compartment, said introduction portion being disposed at said inner periphery with respect to said exhaust portion, said introduction portion serving to introduce gas into the airbag; and
fixing portions arranged around said introduction portion, said fixing portions connecting said base cloths for defining said another compartment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An airbag arrangement, comprising:
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a support fixed to a vehicle-side member;
an airbag mounted to said support for restraining an object, said airbag comprising;
base cloths arranged in layers and between said support and said object, compartments defined by said base cloths, communicating portions arranged proximate an outer periphery of the airbag, said communicating portions ensuring communication between said compartments, an exhaust portion arranged in one compartment on the side of said object, said exhaust portion being disposed at an inner periphery of the airbag and at a position interior of said communicating portions, said exhaust portion communicating with the outside, an introduction portion arranged in another compartment, said introduction portion being disposed at said inner periphery with respect to said exhaust portion, said introduction portion serving to introduce gas into the airbag, and fixing portions arranged around said introduction portion, said fixing portions connecting said base cloths for defining said another compartment; and
a housing receiving said airbag, said housing including a door that opens rotatively upon inflation of said airbag . - View Dependent Claims (12, 13)
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14. A motor vehicle, comprising:
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a member;
a support fixed to said member;
an airbag mounted to said support for restraining an object, said airbag comprising;
base cloths arranged in layers and between said support and said object, compartments defined by said base cloths, communicating portions arranged proximate an outer periphery of the airbag, said communicating portions ensuring communication between said compartments, an exhaust portion arranged in one compartment on the side of said object, said exhaust portion being disposed at an inner periphery of the airbag and at a position interior of said communicating portions, said exhaust portion communicating with the outside, an introduction portion arranged in another compartment, said introduction portion being disposed at said inner periphery with respect to said exhaust portion, said introduction portion serving to introduce gas into the airbag;
fixing portions arranged around said introduction portion, said fixing portions connecting said base cloths for defining said another compartment; and
a housing receiving said airbag, said housing including a door that opens rotatively upon inflation of said airbag. - View Dependent Claims (15, 16)
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Specification