【０００１】[0001]
【発明の属する技術分野】本発明は、自動車の座席に取
り付けられた、エアバッグ装置の内蔵式エアバッグを備
えたヘッドレストに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a headrest equipped with a built-in airbag of an airbag device, which is attached to a seat of a vehicle.
【０００２】[0002]
【従来の技術】欧州特許公開公報 EP 0 593 845 A1 号
より、後方からの衝突によって作動する自動車のヘッド
レストのためのエアバッグは周知となっている。2. Description of the Related Art From EP 0 593 845 A1 is known an airbag for a headrest of a motor vehicle which is activated by a rear collision.
【０００３】[0003]
【発明が解決しようとする課題】これに対し、本発明の
課題は、上記如きヘッドレストにおいて、自動車に斜め
方向からの衝突が生じた場合でも頭部の保護が保証され
るヘッドレストを提供することである。On the other hand, an object of the present invention is to provide a headrest in which head protection is guaranteed even in the event of an oblique collision with an automobile. is there.
【０００４】[0004]
【課題を解決するための手段】上記の課題は、本発明に
より、エアバッグが膨らまされた状態の時に、エアバッ
グがヘッド部側方でほぼ前方に伸びることによって解決
される。According to the present invention, the above-mentioned problems can be solved by extending the airbag substantially forward on the side of the head portion when the airbag is inflated.
【０００５】膨らまされたエアバッグは、ヘッド部の、
自動車の片側内壁に向いた側に伸びるのが好適である
が、ヘッド部両側に伸びるようにすることも可能であ
る。かかるエアバッグにより、とりわけ事故の際に側面
方向からの衝突が起こり頭部が横方向に動いた場合で
も、頭部が自動車内部の堅い物体に衝突するのを防止で
きる。The inflated airbag has a head portion,
It is preferable to extend to the side facing the inner wall of one side of the automobile, but it is also possible to extend to both sides of the head portion. With such an airbag, it is possible to prevent the head from colliding with a hard object inside the automobile even when the head moves laterally due to a collision from the side in the event of an accident.
【０００６】好適なことに、膨らまされた状態で、前部
座席のヘッドレストからほぼ後方に伸びる別のエアバッ
グを設けることも可能である。これによって、後部座席
に座っている人を、前部座席の後部に衝突しないよう保
護することができる。[0006] Advantageously, it is also possible to provide another airbag, which in the inflated state extends substantially rearward from the headrest of the front seat. As a result, it is possible to protect the person sitting in the rear seat from colliding with the rear portion of the front seat.
【０００７】[0007]
【発明の実施の形態】本発明の実施の形態を図を参照し
て詳細に示す。図１は、本発明の第一の実施の形態によ
るエアバッグが折り畳まれた状態を示す図；図２は、本
発明の第一の実施の形態によるエアバッグが膨らまされ
た状態を示す平面図；図３は、本発明の第二の実施の形
態の後面図；図４は、本発明の第二の実施の形態の平面
図；である。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail with reference to the drawings. 1 is a view showing a state in which an airbag according to a first embodiment of the present invention is folded; FIG. 2 is a plan view showing a state in which the airbag according to the first embodiment of the present invention is inflated. 3 is a rear view of the second embodiment of the present invention; FIG. 4 is a plan view of the second embodiment of the present invention;
【０００８】図１および図２に示した実施の形態による
ヘッドレスト１では、該ヘッドレストの側方に配置され
た空洞部４内に折り畳まれたエアバッグ２が収納されて
いる。該エアバッグ２はガス発生装置５によって膨らま
される。ガス発生装置５はヘッドレスト１の上部水平部
分７内部に延在している。このガス発生装置５は、導線
８を経て電気的に点火することが可能である。導線８
は、ヘッドレストのフレーム９を経てヘッドレストの内
部を通り、ガス発生装置５に至っている。In the headrest 1 according to the embodiment shown in FIGS. 1 and 2, a folded airbag 2 is housed in a cavity portion 4 arranged on the side of the headrest. The airbag 2 is inflated by the gas generator 5. The gas generator 5 extends inside the upper horizontal portion 7 of the headrest 1. This gas generator 5 can be electrically ignited via a conductor 8. Conductor 8
Passes through the frame 9 of the headrest, passes through the inside of the headrest, and reaches the gas generator 5.
【０００９】図に詳細には示さないセンサを用いて作動
するガス発生装置５の点火後、ガス発生装置５はエアバ
ッグ２を膨らませる。その際、エアバッグ２はヘッド部
分の側方で前方に拡がるように膨らむので、エアバッグ
が急速に拡がった場合でもエアバッグのカバーが自動車
の乗客の頭部に衝突しないようになっている。エアバッ
グの拡がる方向は、自動車の横軸に対しておよそ４５度
傾いているのが好適である。エアバッグ２は膨らまされ
た状態で、ヘッド部分の側方でほぼ前方に拡がるため、
側方からの衝突が生じた場合にも自動車の内部側面を構
成している堅いものに頭部が衝突することが防止され
る。After ignition of the gas generator 5, which operates with a sensor not shown in detail in the figure, the gas generator 5 inflates the airbag 2. At this time, since the airbag 2 inflates so as to spread forward at the side of the head portion, the cover of the airbag does not collide with the heads of passengers of the automobile even when the airbag rapidly expands. The direction in which the air bag expands is preferably inclined by about 45 degrees with respect to the horizontal axis of the automobile. Since the airbag 2 is inflated and spreads substantially forward at the side of the head portion,
Even in the case of a side collision, the head is prevented from colliding with a hard object forming the inner side surface of the automobile.
【００１０】図３および図４に示した実施の形態では、
ヘッドレスト内に二つの側方エアバッグ２が取り付けら
れている。二つのエアバッグ２は、図１で一つのエアバ
ッグの場合に示されたのと同様の方法でヘッドレスト内
に配置することができる。膨らんだ状態で、二つのエア
バッグは、図４から分かるように、ヘッド部分の両側方
に拡がる。In the embodiment shown in FIGS. 3 and 4,
Two lateral airbags 2 are mounted in the headrest. The two airbags 2 can be arranged in the headrest in a manner similar to that shown for one airbag in FIG. In the inflated state, the two airbags spread to both sides of the head portion, as can be seen from FIG.
【００１１】図１および図２に示した実施の形態、ある
いは、図３および図４に示した実施の形態の何れの場合
も、図３および４に示すようなさらなる別のエアバッグ
３をヘッドレスト１内に配置することができる。この付
加的なエアバッグ３は膨らまされた状態では、図３から
分かるように、後方にヘッドレスト１から離れるように
拡がる。エアバッグ３は膨らんだ状態において、後部座
席に座っている乗客が、ヘッドレスト１が取り付けられ
ている前部座席１０の後部に衝突しないよう防御する。
その際、この付加的なエアバッグ３は、後部すなわち自
動車の後部座席方向に対し、自動車の座席の堅い縁や座
席本体をカバーして保護する。In any of the embodiments shown in FIGS. 1 and 2 or the embodiments shown in FIGS. 3 and 4, a further airbag 3 as shown in FIGS. 3 and 4 is provided with a headrest. It can be placed in one. In the inflated state, this additional airbag 3 expands rearward and away from the headrest 1, as can be seen in FIG. In the inflated state, the airbag 3 protects a passenger sitting in the rear seat from colliding with the rear portion of the front seat 10 to which the headrest 1 is attached.
In this case, this additional airbag 3 covers and protects the rigid edges of the seat of the vehicle and the seat body in the direction of the rear or rear seat of the vehicle.
【００１２】前記付加的なエアバッグ３は、折り畳まれ
た状態では、ヘッドレスト１の下部水平部分６に好適に
収納される。図３および図４に示した実施の形態では、
二つのエアバッグ２，２、および場合によってはさらに
付加的なエアバッグ３を膨らませるためにガス発生装置
５を用いることができる。The additional airbag 3 is preferably stored in the lower horizontal portion 6 of the headrest 1 in the folded state. In the embodiment shown in FIGS. 3 and 4,
A gas generator 5 can be used to inflate the two airbags 2, 2 and possibly also an additional airbag 3.
【００１３】二つのエアバッグ２は頭部側方で頭部から
離れるように拡がり、従来のエアバッグ装置のエアバッ
グの場合のように頭部に向かって拡がらないので、エア
バッグをより安全に拡張できる。後部に向かって拡がる
エアバッグ３の場合でも、拡大の方向は、図３および図
４から明らかなように、エアバッグが自動車の後部座席
に座っている人間の頭部に直接向かわないようになって
いる。この付加的なエアバッグ３の場合、ヘッドレスト
の下部６から発して、斜め下方に拡がる方向が好適な拡
大方向である。Since the two airbags 2 spread apart from the head on the side of the head and do not spread toward the head as in the case of the airbag of the conventional airbag device, the airbag is more safe. Can be extended to. Even in the case of the airbag 3 that expands toward the rear, the direction of expansion is such that the airbag does not directly face the head of a person sitting in the back seat of the vehicle, as is clear from FIGS. 3 and 4. ing. In the case of this additional airbag 3, the direction in which it is emitted from the lower portion 6 of the headrest and spreads obliquely downward is the preferred expansion direction.
【図１】本発明の第一の実施の形態によるエアバッグが
折り畳まれた状態を示す図である。FIG. 1 is a diagram showing a folded state of an airbag according to a first embodiment of the present invention.
【図２】本発明の第一の実施の形態によるエアバッグが
膨らまされた状態を示す平面図である。FIG. 2 is a plan view showing a state where the airbag according to the first embodiment of the present invention is inflated.
【図３】本発明の第二の実施の形態の後面図である。FIG. 3 is a rear view of the second embodiment of the present invention.
【図４】本発明の第二の実施の形態の平面図である。FIG. 4 is a plan view of a second embodiment of the present invention.
１ ヘッドレスト ２ エアバッグ ３ 別のエアバッグ ４ 空洞部 ５ ガス発生装置 ６ 下方部分 1 Headrest 2 Airbag 3 Another airbag 4 Cavity 5 Gas generator 6 Lower part
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9415511.9 | 1994-09-24 | ||
| DE9415511UDE9415511U1 (en) | 1994-09-24 | 1994-09-24 | Headrest with integrated gas cushion |
| Publication Number | Publication Date |
|---|---|
| JPH08175309Atrue JPH08175309A (en) | 1996-07-09 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7243424AWithdrawnJPH08175309A (en) | 1994-09-24 | 1995-09-21 | Head rest with self-contained air bag |
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| JP (1) | JPH08175309A (en) |
| KR (1) | KR960010371A (en) |
| CN (1) | CN1129178A (en) |
| DE (1) | DE9415511U1 (en) |
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| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Application deemed to be withdrawn because no request for examination was validly filed | Free format text:JAPANESE INTERMEDIATE CODE: A300 Effective date:20021203 |