KR20100069740A - Opening device of air bag - Google Patents

Opening device of air bag Download PDF

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Publication number
KR20100069740A
KR20100069740A KR1020080128242A KR20080128242A KR20100069740A KR 20100069740 A KR20100069740 A KR 20100069740A KR 1020080128242 A KR1020080128242 A KR 1020080128242A KR 20080128242 A KR20080128242 A KR 20080128242A KR 20100069740 A KR20100069740 A KR 20100069740A
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KR
South Korea
Prior art keywords
main panel
cover plate
plate
panel
opening device
Prior art date
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KR1020080128242A
Other languages
Korean (ko)
Inventor
정명근
Original Assignee
현대모비스 주식회사
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Priority to KR1020080128242A priority Critical patent/KR20100069740A/en
Publication of KR20100069740A publication Critical patent/KR20100069740A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/215—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
    • B60R21/216—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member comprising tether means for limitation of cover motion during deployment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/215—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
    • B60R21/2165—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member characterised by a tear line for defining a deployment opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
  • Air Bags (AREA)

Abstract

PURPOSE: An air bag door opening device is provided to prevent the accident of passengers by preventing the accidents of passengers by preventing the crashing between a cover plate and a front window glass. CONSTITUTION: An air bag door opening device comprises a main panel(110), a supporting panel(120), a cover plate(130), and a restricting unit(140). The main panel has an open hole. The supporting panel is fixed to the main panel. The air bag module is installed to the supporting panel. The cover plate is combined with the main panel, and covers the open hole. The restricting unit restricts the rotation of the cover plate.

Description

에어백 도어 개방장치{OPENING DEVICE OF AIR BAG}Airbag Door Opener {OPENING DEVICE OF AIR BAG}

본 발명은 에어백에 관한 것으로서, 보다 상세하게는 과도한 개방으로 인해 전면 유리창이 파손되지 않도록 개방각을 제한하는 에어백 도어 개방장치에 관한 것이다.The present invention relates to an airbag, and more particularly to an airbag door opening device for limiting the opening angle so that the front windshield is not broken due to excessive opening.

일반적으로 자동차는 승객의 보호를 위해 다양한 보호장치가 설치되어 있는데, 차량의 충돌 사고시 승객의 보호를 위해 운전석 전면의 스티어링 휠 및 조수석 전면의 인스트루먼트패널 상에 에어백이 설치된다.In general, a vehicle is equipped with a variety of protection devices for the protection of passengers, airbags are installed on the steering wheel in front of the driver's seat and the instrument panel in front of the passenger seat to protect the passenger in the event of a vehicle crash.

도 1은 종래 에어백 도어를 개략적으로 도시한 단면도이다.1 is a cross-sectional view schematically showing a conventional airbag door.

도시된 바와 같이, 인스트루먼트패널(11)에는 에어백의 쿠션이 원활히 배출되도록 레이저 가공을 통해 패널을 일부 절개한 가공선(12)이 형성되는바, 가공선(12)은 대개 사각형 형상을 갖는다. 이때, 편의상 가공선(12)에 의해 사각형 형상을 갖는 부분을 절개면(13)이라 칭한다.As shown, the instrument panel 11 is formed with a cutting line 12 in which the panel is partially cut through laser processing so that the cushion of the airbag is smoothly discharged, the processing line 12 generally has a rectangular shape. At this time, for convenience, the portion having a rectangular shape by the overhead line 12 is referred to as a cut surface 13.

에어백의 작동시 에어백 쿠션에 의해 인스트루먼트패널(11)이 랜덤하게 찢겨 지지 않도록, 절개면(13)의 배면에는 보강대(14)가 진동융착기에 의해 진동 융착되게 된다.In order to prevent the instrument panel 11 from being randomly torn by the airbag cushion during operation of the airbag, the reinforcing bar 14 is vibrated and fused by the vibrating fusion machine.

또한, 가공선(12)이 가공되는 부분에는 지지벽(15)이 형성되어, 절개되어 떨어져 나가지 않는 인스트루먼트패널(11)을 보호하고, 지지벽(15)에 에어백 모듈(19)이 나사 결합하게 된다.In addition, a support wall 15 is formed at a portion where the overhead line 12 is processed to protect the instrument panel 11 which is not cut off and falls off, and the airbag module 19 is screwed to the support wall 15. .

한편, 보강대(14)에는 자체 강도를 향상시키기 위한 스틸재질의 철판(16)이 부착되고, 철판(16)에는 힌지부(18)가 리벳(17)에 의해 결합된다.On the other hand, the reinforcing table 14 is attached to a steel plate 16 of steel material for improving its strength, the hinge portion 18 is coupled to the iron plate 16 by a rivet 17.

힌지부(18)는 일부가 철판(16)에 결합되고, 이에서 연장된 부분이 굴곡진 형상을 하며 지지벽(15)에 고정된다.The hinge portion 18 is partly coupled to the iron plate 16, the portion extending therefrom is curved and fixed to the support wall 15.

따라서, 자동차 사고가 일어나면 에어백 모듈(19)이 작동하여 쿠션이 전개되고, 이러한 쿠션은 보강대(14)를 압박한다.Thus, when an automobile accident occurs, the airbag module 19 is operated to deploy a cushion, which presses the reinforcement 14.

그리 하면, 가공선(12)이 파열되어 인스트루먼트패널(11) 상에서 절개면(13)이 찢겨져 나가게 되는데, 힌지부(18)는 절개면(13)이 떨어져 나가더라도 차체 구조물과 연결 관계를 유지하도록 하여, 승객에게 피해를 주지 않도록 한다.Then, the cutting line 12 is ruptured so that the incision surface 13 is torn off on the instrument panel 11, and the hinge portion 18 maintains the connection with the vehicle structure even when the incision surface 13 is separated. Do not harm passengers.

종래 자동차 충격에 의해 에어백모듈이 전개되면, 에어백쿠션에 의해 절개면이 절개되고, 힌지부를 회전축으로 하여 회전된다.When the airbag module is deployed by a conventional vehicle shock, the cut surface is cut by the airbag cushion, and the hinge portion is rotated by the rotation axis.

이때, 회전되는 절개면은 전면유리창에 부딪혀 전면유리창의 파손을 유발하는 문제점이 있다.At this time, the incision surface is rotated hit the windshield there is a problem causing breakage of the windshield.

이와 같은 전면유리창의 파손은 탑승자에게 추가로 상해를 유발하는 문제점이 있다.Such damage to the windshield has a problem of causing further injury to the occupant.

따라서, 이를 개선할 필요성이 요청된다.Therefore, there is a need for improvement.

본 발명은 상기와 같은 문제점들을 개선하기 위해 안출된 것으로서, 개방각을 제한하여 과도한 개방으로 인해 전면유리창에 충격이 가해지지 않도록 하는 에어백 도어 개방장치를 제공하는데 그 목적이 있다.An object of the present invention is to provide an airbag door opening device that is devised to improve the above problems, and to limit the opening angle so that an impact is not applied to the windshield due to excessive opening.

상기와 같은 목적을 달성하기 위하여 본 발명은 개구홀이 형성되는 메인패널; 상기 메인패널에 고정되며 에어백모듈이 장착되는 지지패널; 상기 메인패널과 결합되며 상기 개구홀을 커버하는 커버판; 및 상기 커버판의 회전을 제한하는 제한부를 포함하는 것을 특징으로 하는 에어백 도어 개방장치를 제공한다.The present invention in order to achieve the above object is the main panel opening hole is formed; A support panel fixed to the main panel and mounted with an airbag module; A cover plate coupled to the main panel and covering the opening hole; And it provides an airbag door opening device comprising a limiting portion for limiting the rotation of the cover plate.

상기 커버판은 상기 메인패널의 일측면과 결합되는 제1판; 상기 제1판에서 절곡되어 상기 개구홀에 위치되는 제2판; 및 상기 메인패널의 타측면에 접촉되면서 상기 개구홀을 커버하는 제3판을 포함하는 것을 특징으로 한다.The cover plate is a first plate coupled to one side of the main panel; A second plate bent from the first plate and positioned in the opening hole; And a third plate covering the opening hole while being in contact with the other side of the main panel.

상기 제한부는 상기 제3판 및 상기 메인패널의 타측면과 각각 결합되는 것을 특징으로 한다.The limiting portion is characterized in that coupled to the other side of the third plate and the main panel, respectively.

상기 제한부는 다수가 이격되어 배치되는 것을 특징으로 한다.The restriction is characterized in that a plurality of spaced apart.

상기한 바와 같이 본 발명에 따른 에어백 도어 개방장치는 에어백 전개 과정에서 커버판이 전면 유리창과 부딪히는 것을 방지하여 탑승자의 안전사고를 방지하는 효과가 있다.As described above, the airbag door opening device according to the present invention has an effect of preventing the accident of the occupant's safety by preventing the cover plate from colliding with the front windshield during the airbag deployment process.

이하, 첨부된 도면들을 참조하여 본 발명에 따른 에어백 도어 개방장치의 실시예를 설명한다.Hereinafter, with reference to the accompanying drawings will be described an embodiment of the airbag door opening device according to the present invention.

이러한 과정에서 도면에 도시된 선들의 두께나 구성요소의 크기 등은 설명의 명료성과 편의상 과장되게 도시되어 있을 수 있다.In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description.

또한, 후술되는 용어들은 본 발명에서의 기능을 고려하여 정의된 용어들로써, 이는 사용자, 운용자의 의도 또는 관례에 따라 달라질 수 있다.In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or custom.

그러므로, 이러한 용어들에 대한 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것이다.Therefore, definitions of these terms should be made based on the contents throughout the specification.

도 2는 본 발명의 일 실시예에 따른 에어백 도어 개방장치에 의해 개구홀이 폐쇄된 상태를 도시한 단면도이고, 도 3은 본 발명의 일 실시예에 따른 에어백 도어 개방장치에 의해 개구홀이 개방된 상태를 도시한 단면도이다. 2 is a cross-sectional view showing a state in which the opening hole is closed by the airbag door opening device according to an embodiment of the present invention, Figure 3 is an opening hole opening by the airbag door opening device according to an embodiment of the present invention It is sectional drawing which shows the state.

그리고, 도 4는 본 발명의 일 실시예에 따른 에어백 도어 개방장치를 도시한 사시도이다.And, Figure 4 is a perspective view showing an airbag door opening device according to an embodiment of the present invention.

도 2 내지 도 4를 참조하면, 본 발명의 일 실시예에 따른 에어백 도어 개방장치(100)는 에어백모듈(30)을 통해 전개되는 쿠션이 배출되도록 하며, 메인패널(110), 지지패널(120), 커버판(130) 및 제한부(140)가 구비된다.2 to 4, the airbag door opening device 100 according to an embodiment of the present invention is to discharge the cushion developed through the airbag module 30, the main panel 110, the support panel 120 ), The cover plate 130 and the limiting unit 140 is provided.

메인패널(110)은 에어백모듈(30)의 전개과정에서 쿠션이 배출되기 위한 개구홀(111)이 형성된다. 메인패널(110)은 금속재질을 포함하여 형성되며, 메인패널(110)을 덮는 인스트루먼트패널(미도시)과 진동융착에 의해 결합된다.The main panel 110 is formed with an opening hole 111 for discharging the cushion during the deployment of the airbag module 30. The main panel 110 is formed to include a metal material, and is coupled to the instrument panel (not shown) covering the main panel 110 by vibration welding.

지지패널(120)은 메인패널(110)에 고정되며 에어백모듈(30)에 장착된다. 즉, 메인패널(110)의 하측면에는 절곡된 형상을 갖는 지지패널(120)이 위치되고, 고정체(40)에 의해 메인패널(110)과 지지패널(120)은 결합된다. 지지패널(120)은 한 쌍이 이격되어 설치되고, 이격된 공간 사이로 에어백모듈(30)이 위치되어 지지패널(120)과 결합된다.The support panel 120 is fixed to the main panel 110 and mounted to the airbag module 30. That is, the support panel 120 having a bent shape is positioned on the lower side of the main panel 110, and the main panel 110 and the support panel 120 are coupled by the fixing body 40. The support panel 120 is installed in a pair spaced apart, the airbag module 30 is positioned between the spaced space is coupled to the support panel 120.

커버판(130)은 메인패널(110)과 결합되며 개구홀(111)을 커버한다. 본 발명의 일 실시예로, 커버판(130)에는 메인패널(110)의 하측면과 결합되는 제1판(131), 제1판(131)에서 연장되고 개구홀(111)에 위치되도록 절곡 형성되는 제2판(132) 및 제2판(132)에서 연장되고 메인패널(110)의 상측면을 덮어 개구홀(111)을 커버하는 제3판(133)이 구비된다.The cover plate 130 is coupled to the main panel 110 and covers the opening hole 111. In one embodiment of the present invention, the cover plate 130 is bent to extend in the first plate 131, the first plate 131 and the opening hole 111 is coupled to the lower surface of the main panel 110. A second plate 132 is formed and a third plate 133 extending from the second plate 132 and covering the upper side surface of the main panel 110 to cover the opening hole 111 is provided.

제1판(131)은 메인패널(110)과 지지패널(120) 사이에 위치되어 고정체(40)에 의해 결합된 상태를 유지한다. 제2판(132)은 제3판(133)이 회전되는 과정에서 회전축 기능을 하게된다. 제3판(133)은 테두리 부분이 메인패널(110)의 상측면에 걸쳐지며, 상측면은 인스트루먼트패널과 진동융착에 의해 결합될 수 있다. 이때, 인스트루먼트패널에는 레이저가공에 의해 미세한 가공선이 형성되어 외압에 의해 절개된다.The first plate 131 is positioned between the main panel 110 and the support panel 120 to maintain a state of being coupled by the fixing body 40. The second plate 132 functions as a rotating shaft while the third plate 133 is rotated. The third plate 133 may have an edge portion over the upper side of the main panel 110, and the upper side may be coupled to the instrument panel by vibration welding. At this time, a minute cutting line is formed on the instrument panel by laser processing, and is cut by external pressure.

제한부(140)는 커버판(130)의 회전을 제한한다. 즉, 제한부(140)는 일부가 메인패널(110)의 상측면에 고정 설치되고, 다른 일부가 커버판(130)의 제3판(133) 상측면에 고정 설치된다. 따라서, 커버판(130)이 회전되더라도 제한부(140)에 의해 회전각이 제한된다. 제한부(140)는 커버판(130)의 회전력에 대항할 수 있는 강도를 갖는 것이 바람직하며, 이러한 강도를 갖는 금속 또는 플라스틱 재질을 사용할 수 있다.The limiting unit 140 limits the rotation of the cover plate 130. That is, a part of the restriction part 140 is fixedly installed on the upper side of the main panel 110, and the other part is fixedly installed on the upper side of the third plate 133 of the cover plate 130. Therefore, even when the cover plate 130 is rotated, the rotation angle is limited by the limiting unit 140. The limiter 140 preferably has a strength that can counteract the rotational force of the cover plate 130, and may be a metal or plastic material having such strength.

한편, 제한부(140)는 복수로 장착되어 커버판(130)이 회전되더라도 전면유리창(미도시)에 도달되지 않는 필요강도를 유지할 수 있다. 이때, 제한부(140)는 커버판(130)의 길이 방향에 대해 넓게 분포되도록 균일하게 이격되어 배치된다.On the other hand, the limiting unit 140 may be mounted in plural to maintain the required strength that does not reach the front window (not shown) even when the cover plate 130 is rotated. At this time, the limiting portion 140 is disposed evenly spaced so as to be widely distributed with respect to the longitudinal direction of the cover plate 130.

상기와 같은 구조를 갖는 본 발명의 일 실시예에 따른 에어백 도어 개방장치의 작용을 설명하면 다음과 같다.Referring to the operation of the airbag door opening device according to an embodiment of the present invention having the structure as described above are as follows.

자동차의 사고로 인해 미도시한 센서가 이를 감지하여 에어백 모듈(30)에 신호를 보내면, 에어백 모듈(30) 내부에 형성되는 인플레이터가 폭발하면서 가스가 발생하고, 이러한 가스는 에어백 쿠션을 팽창시킨다.When a sensor, not shown, detects this and sends a signal to the airbag module 30 due to an accident of an automobile, gas is generated while the inflator formed inside the airbag module 30 explodes, and this gas expands the airbag cushion.

에어백 쿠션은 팽창되어 개구홀(111)을 통과하면서 커버판(130)을 밀어내며, 커버판(130)은 회전되면서 인스트루먼트패널을 절개하여 에어백 쿠션의 이동로를 개방한다.The airbag cushion is inflated to push the cover plate 130 while passing through the opening hole 111, and the cover plate 130 is rotated to open the moving path of the airbag cushion by cutting the instrument panel.

이때, 커버판(130)은 제한부(140)에 결합되어 회전각이 제한되므로, 에어백 쿠션에 의해 커버판(130)이 과도하게 회전되어 전면유리창에 부딪히는 것을 방지한다.At this time, since the cover plate 130 is coupled to the limiting unit 140 and the rotation angle is limited, the cover plate 130 is excessively rotated by the airbag cushion to prevent the cover plate 130 from hitting the windshield.

본 발명은 도면에 도시된 실시예를 참고로 하여 설명되었으나, 이는 예시적인 것에 불과하며, 당해 기술이 속하는 분야에서 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 이해할 것이다.Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. I will understand.

따라서, 본 발명의 진정한 기술적 보호범위는 아래의 특허청구범위에 의해서 정하여져야 할 것이다.Therefore, the true technical protection scope of the present invention will be defined by the claims below.

도 1은 종래 에어백 도어를 개략적으로 도시한 단면도이다.1 is a cross-sectional view schematically showing a conventional airbag door.

도 2는 본 발명의 일 실시예에 따른 에어백 도어 개방장치에 의해 개구홀이 폐쇄된 상태를 도시한 단면도이다.Figure 2 is a cross-sectional view showing a state in which the opening hole is closed by the airbag door opening device according to an embodiment of the present invention.

도 3은 본 발명의 일 실시예에 따른 에어백 도어 개방장치에 의해 개구홀이 개방된 상태를 도시한 단면도이다. 3 is a cross-sectional view showing a state in which the opening hole is opened by the airbag door opening device according to an embodiment of the present invention.

도 4는 본 발명의 일 실시예에 따른 에어백 도어 개방장치를 도시한 사시도이다.Figure 4 is a perspective view of the airbag door opening device according to an embodiment of the present invention.

*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

110 : 메인패널 120 : 지지패널110: main panel 120: support panel

130 : 커버판 140 : 제한부130: cover plate 140: limited part

Claims (4)

개구홀이 형성되는 메인패널;A main panel in which opening holes are formed; 상기 메인패널에 고정되며 에어백모듈이 장착되는 지지패널;A support panel fixed to the main panel and mounted with an airbag module; 상기 메인패널과 결합되며 상기 개구홀을 커버하는 커버판; 및A cover plate coupled to the main panel and covering the opening hole; And 상기 커버판의 회전을 제한하는 제한부를 포함하는 것을 특징으로 하는 에어백 도어 개방장치.Airbag door opening device characterized in that it comprises a restriction for limiting the rotation of the cover plate. 제 1항에 있어서, 상기 커버판은The method of claim 1, wherein the cover plate 상기 메인패널의 일측면과 결합되는 제1판;A first plate coupled to one side of the main panel; 상기 제1판에서 절곡되어 상기 개구홀에 위치되는 제2판; 및A second plate bent from the first plate and positioned in the opening hole; And 상기 메인패널의 타측면에 접촉되면서 상기 개구홀을 커버하는 제3판을 포함하는 것을 특징으로 하는 에어백 도어 개방장치.And a third plate covering the opening hole while being in contact with the other side of the main panel. 제 2항에 있어서,3. The method of claim 2, 상기 제한부는 상기 제3판 및 상기 메인패널의 타측면과 각각 결합되는 것을 특징으로 하는 에어백 도어 개방장치.The restriction unit is airbag door opening device, characterized in that coupled to the other side of the third plate and the main panel, respectively. 제 3항에 있어서,The method of claim 3, wherein 상기 제한부는 다수가 이격되어 배치되는 것을 특징으로 하는 에어백 도어 개방장치.The airbag door opening device, characterized in that the plurality is disposed spaced apart.
KR1020080128242A 2008-12-17 2008-12-17 Opening device of air bag KR20100069740A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103419739A (en) * 2013-02-01 2013-12-04 延锋伟世通汽车饰件系统有限公司 Metal air bag door system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103419739A (en) * 2013-02-01 2013-12-04 延锋伟世通汽车饰件系统有限公司 Metal air bag door system

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