Safety system for automobile
First Claim
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1. A safety system for an automobile, comprising:
- a seatbelt apparatus for supporting a shoulder of a vehicle occupant, the seatbelt apparatus outputting a seatbelt apparatus application signal when the seatbelt apparatus is applied to the occupant;
an airbag apparatus having an airbag body, the airbag body inflating by gas introduced into the airbag body to receive the occupant and the airbag body having first and second exhaust ports for exhausting the gas;
a sealing member disposed on the second exhaust port, the sealing member being set to either one of a first state where the gas is prevented from being exhausted from the second exhaust port and a second state where the gas is allowed to be exhausted, and the sealing member being ordinarily set to the first state; and
control means for controlling the sealing member so as to be set in the first state or the second state, wherein when the seatbelt apparatus is applied to the occupant, the seatbelt apparatus outputs the application signal to the control means, thereby setting the sealing member to the second state from the first state.
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Accused Products
Abstract
A safety system includes a seatbelt apparatus for supporting a shoulder of a vehicle occupant, an airbag apparatus having an airbag body, and control means for controlling a sealing member. The airbag body is inflated to receive the occupant by gas introduced into the airbag body. The airbag body has first and second ports for exhausting the gas. The sealing member is disposed on the second exhaust port. The sealing member is set to either one of a first state where the gas is prevented from being exhausted from the second exhaust port and a second state where the gas is allowed to be exhausted. The sealing member is ordinarily set to the first state. The seatbelt apparatus outputs a seatbelt apparatus application signal to the control means when the seatbelt apparatus is applied to the occupant. The control means set the sealing means to the second state when the control means receives the seatbelt apparatus application signal.
110 Citations
6 Claims
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1. A safety system for an automobile, comprising:
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a seatbelt apparatus for supporting a shoulder of a vehicle occupant, the seatbelt apparatus outputting a seatbelt apparatus application signal when the seatbelt apparatus is applied to the occupant;
an airbag apparatus having an airbag body, the airbag body inflating by gas introduced into the airbag body to receive the occupant and the airbag body having first and second exhaust ports for exhausting the gas;
a sealing member disposed on the second exhaust port, the sealing member being set to either one of a first state where the gas is prevented from being exhausted from the second exhaust port and a second state where the gas is allowed to be exhausted, and the sealing member being ordinarily set to the first state; and
control means for controlling the sealing member so as to be set in the first state or the second state, wherein when the seatbelt apparatus is applied to the occupant, the seatbelt apparatus outputs the application signal to the control means, thereby setting the sealing member to the second state from the first state. - View Dependent Claims (2, 3)
the sealing member has a closing portion supported on the airbag body and closing the second exhaust port, and an engaging portion for disengageably engaging the closing portion and the control means with each other, the engaging portion in the first state is disengageable from the control means and the engaging portion in the second state is maintained in an engagement state with the control means, the engaging portion is disengaged from control means and the closing portion is maintained in a closed state of the second exhaust port when the airbag body inflates in a state where the engaging portion is in the first state, and the engaging portion is maintained in an engagement with the control means and the closing portion is separated from the second exhaust port to open the second exhaust port, when the airbag body inflates in a state where the engaging portion is in the second state. -
3. A safety system for an automobile according to claim 1, wherein
the second exhaust port is formed on a sewn portion disposed at a peripheral portion of the airbag body.
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4. A safety system for an automobile, comprising:
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a seatbelt apparatus for supporting a shoulder of a vehicle occupant;
an airbag apparatus having an airbag body, the airbag body inflating by gas introduced into the airbag body to receive the occupant and the airbag body having first and second exhaust ports for exhausting the gas;
a sealing member disposed on the second exhaust port, the sealing member being set to either one of a first state where the gas is prevented from being exhausted from the second exhaust port and a second state where the gas is allowed to be exhausted, and the sealing member being ordinary set to the first state;
control means for controlling the sealing member, wherein the seatbelt apparatus outputs a seatbelt apparatus application signal to the control means when the seatbelt apparatus is applied to the occupant, and the control means sets the sealing member to the second state when it receives the application signal;
the sealing member having a closing portion supported on the airbag body and closing around the second exhaust port, and an engaging portion for disengageably engaging the closing portion and the control means with each other;
the engaging portion in the first state being disengageable from the control means and the engaging portion in the second state being maintained in an engagement state with the control means;
the engaging portion being disengaged from the control means and the closing portion being maintained in a closed state of the second exhaust port when the airbag body inflates in a state where the engaging portion is in the first state; and
the engaging portion being maintained in an engagement with the control means and the closing portion is separated from the second exhaust port to open the second exhaust port, when the airbag body inflates in a state where the engaging portion is in the second state. - View Dependent Claims (5, 6)
the control means has signal receiving means for receiving the seatbelt apparatus application signal and a pawl engaging with the engaging portion when the airbag body inflates in a state where the signal receiving means has received the seatbelt apparatus application signal. -
6. A safety system for an automobile according to claim 4, wherein
the airbag apparatus has a cover member covering the airbag body and ruptured by inflation of the airbag body, the control means has a bracket with a pawl engagable with the engaging portion, and the engaging portion is movably disposed between the cover member and the bracket.
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Specification
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Current AssigneeNihon Plast Company Limited
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Original AssigneeNihon Plast Company Limited, Nissan Motor Co., Ltd.
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InventorsSuzuki, Michitaka, Ehama, Mitsuo, Narita, Masanori, Kaneko, Kazuhiro, Sugiyama, Toshiyuki, Bunce, Michael Anthony
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Primary Examiner(s)Swann, J. J.
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Assistant Examiner(s)Dunn, David R.
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Application NumberUS09/361,827Time in Patent Office784 DaysField of Search280/739, 280/740, 280/742, 280/738, 280/731, 280/733, 280/743.1, 280/735US Class Current280/739CPC Class CodesB60R 21/01544 detecting seat belt paramet...B60R 21/217 Inflation fluid source reta...B60R 21/239 characterised by their vent...
