Expansible seat belt for vehicles
First Claim
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1. A safety device mounted on a vehicle having a body and a seat assembly, which comprises:
- means for producing an electric signal when said vehicle collides with an object;
at least one occupant restraining seat belt mounted on said body and having therein at least two expansible sections in each of which a cavity extending along the length of said seat belt is formed;
at least two gas generators mounted on said expansible sections for generating pressurized gas in response to said electric signal and for feeding the pressurized gas into said cavity so as to cause said expansible sections to expand, each of said gas generators including a casing mounted on each of said expansible belt sections and defining therein a chamber communicating with each of said cavities, an ignitable chemical charge filling said chamber, electro-conductive wires embedded in said belt for conveying said electric signal, and an ignitor assembly located within said chamber and connected to said wires to be responsive to said electric signal; and
a reinforcing member of insulating material laid between said casing and said belt section.
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Abstract
A vehicle occupant restraining belt which is expansible upon collision of the vehicle. An expansible belt section is formed of a resilient or extendible peripheral wall defining an elongate cavity. Gas producing means provided on the belt section supplies the cavity with pressurized gas to expand the peripheral wall.
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Citations
1 Claim
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1. A safety device mounted on a vehicle having a body and a seat assembly, which comprises:
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means for producing an electric signal when said vehicle collides with an object; at least one occupant restraining seat belt mounted on said body and having therein at least two expansible sections in each of which a cavity extending along the length of said seat belt is formed; at least two gas generators mounted on said expansible sections for generating pressurized gas in response to said electric signal and for feeding the pressurized gas into said cavity so as to cause said expansible sections to expand, each of said gas generators including a casing mounted on each of said expansible belt sections and defining therein a chamber communicating with each of said cavities, an ignitable chemical charge filling said chamber, electro-conductive wires embedded in said belt for conveying said electric signal, and an ignitor assembly located within said chamber and connected to said wires to be responsive to said electric signal; and a reinforcing member of insulating material laid between said casing and said belt section.
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Specification
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Current AssigneeNissan Motor Co., Ltd.
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Original AssigneeNissan Motor Co., Ltd.
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InventorsOtani, Syuichi, Abe, Fumiyuki
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Primary Examiner(s)Friaglia, Leo
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Assistant Examiner(s)Siemens, Terrance L.
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Application NumberUS05/418,839Time in Patent Office785 DaysField of Search280/150 AB, 280/150 SB, 9/316, 9/335, 9/322US Class Current280/733CPC Class CodesB60R 21/18 the inflatable member forme...B60R 21/2646 the reacting substances bei...
