JPH04310446A - Bumper device for vehicle - Google Patents
Bumper device for vehicleInfo
- Publication number
- JPH04310446A JPH04310446A JP7488491A JP7488491A JPH04310446A JP H04310446 A JPH04310446 A JP H04310446A JP 7488491 A JP7488491 A JP 7488491A JP 7488491 A JP7488491 A JP 7488491A JP H04310446 A JPH04310446 A JP H04310446A
- Authority
- JP
- Japan
- Prior art keywords
- bumper
- bumper device
- load
- vehicle
- energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002787 reinforcement Effects 0.000 claims description 19
- 239000006096 absorbing agent Substances 0.000 claims description 15
- 238000005452 bending Methods 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 230000002745 absorbent Effects 0.000 description 10
- 239000002250 absorbent Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Abstract
Description
【０００１】0001
【０００２】0002
【産業上の利用分野】本発明は、車両用バンパ装置に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bumper device for a vehicle.
【０００３】0003
【従来の技術】従来、この種のバンパ装置としては、実
開平１−８１１５０号公報に示されるものが知られてい
る。これは、車両ボデーにサイドメンバを介して固定さ
れるバンパリインフオースメントと、バンパリインフオ
ースメントの荷重受面側に設けられたエネルギー吸収体
と、リインフオースメント及びエネルギー吸収体を被覆
して外装となるバンパカバーとを有しており、エネルギ
ー吸収体は、荷重受部と取付部とを持つ断面矩形形状を
呈すると共に荷重受部と取付部とを結ぶ荷重受部及び取
付部に対して垂直な複数のリブ部を有する吸収部材を有
したものであつた。2. Description of the Related Art Conventionally, as this type of bumper device, one disclosed in Japanese Utility Model Application Laid-Open No. 1-81150 is known. This covers the bumper reinforcement that is fixed to the vehicle body via the side member, the energy absorber installed on the load receiving surface side of the bumper reinforcement, and the reinforcement and energy absorber. The energy absorber has a bumper cover as an exterior, and the energy absorber has a rectangular cross section with a load receiving part and a mounting part. The absorbent member had a plurality of vertical rib portions.
【０００４】0004
【発明が解決しようとする課題】しかし、上記したバン
パ装置であると、吸収部材の座屈変形によりバンパ装置
に加わつた荷重のエネルギーを吸収するため、図１３示
ａ線にて示す如く特性となり、高い荷重域までのエネル
ギー吸収を可能とする反面、その荷重域までのたわみ量
が少なく、バンバ装置での充分なエネルギー吸収が行わ
れにくいものであつた。これを解決するためには、吸収
部材を大型にすればよいが、その場合、バンパ装置が大
型化し、車両自体の意匠性に悪影響を与えるばかりでな
く、重量も大幅に増大する恐れがあつた。[Problems to be Solved by the Invention] However, in the bumper device described above, the energy of the load applied to the bumper device is absorbed by the buckling deformation of the absorbing member, so that the bumper device has characteristics as shown in line a in FIG. 13. Although it is possible to absorb energy up to a high load range, the amount of deflection up to that load range is small, making it difficult for the bumper device to absorb sufficient energy. In order to solve this problem, the absorbing member could be made larger, but in that case, the bumper device would become larger, which would not only have a negative impact on the design of the vehicle itself, but also pose a risk of significantly increasing the weight. .
【０００５】故に、本発明は、バンパ装置で吸収できう
る荷重の限界が高く且つその荷重域までのエネルギー吸
収量も大きい理想的なバンパ装置を提供することを、そ
の技術的課題とするものである。Therefore, the technical object of the present invention is to provide an ideal bumper device that has a high limit of the load that can be absorbed by the bumper device and also has a large amount of energy absorption up to that load range. be.
【０００６】[0006]
【発明の構成】[Structure of the invention]
【０００７】[0007]
【課題を解決するための手段】上記技術的課題を解決す
るために本発明において講じた技術的手段は、エネルギ
ー吸収体を、円弧形状の荷重受部及び平面形状の取付部
を持つ断面半円形状を呈した吸収部材を有して構成した
ことである。[Means for Solving the Problems] The technical means taken in the present invention to solve the above technical problems is to provide an energy absorber with a semicircular cross section having an arc-shaped load receiving part and a planar mounting part. The absorbent member has a shaped absorbing member.
【０００８】[0008]
【作用】上記技術的手段は、次のように作用する。バン
パ装置に加わつた荷重のエネルギーは吸収部材の曲げ変
形により吸収される。これにより、図１３示ｂ線にて示
す如く特性となる。これにより、バンパ装置で吸収でき
うる荷重の限界が高く且つその荷重域までのエネルギー
吸収量も大きいバンパ装置なり得る。[Operation] The above technical means operates as follows. The energy of the load applied to the bumper device is absorbed by the bending deformation of the absorbing member. This results in a characteristic as shown by line b in FIG. 13. As a result, the bumper device can have a high limit of the load that can be absorbed by the bumper device, and can also absorb a large amount of energy up to the load range.
【０００９】[0009]
【実施例】以下、本発明の一実施例を添付図面に基づい
て説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings.
【００１０】図１ないし図３に示されるように、車両１
の後部に配設されるバンパ装置２は、バンパリインフオ
ースメント３，エネルギー吸収体４及びバンパカバー５
とから構成されている。As shown in FIGS. 1 to 3, a vehicle 1
The bumper device 2 arranged at the rear of the bumper reinforcement 3, the energy absorber 4 and the bumper cover 5
It is composed of.
【００１１】バンパリインフオースメント３は、アルミ
材料の押し出し成形にて形成され、断面矩形形状を呈し
ており、サイドメンバ６を介して車両１のボデー９に固
定される。エネルギー吸収体４は、バンパリインフオー
スメント３の荷重受面３ａ側に配設されており、ウレタ
ンフオーム材料からなる低密度の吸収部材７とアルミ材
料の押し出し成形にて形成される複数個の高密度の吸収
部材８とから構成される。この吸収部材８は後述するラ
イセンスプレート１１の両外側の適宜位置で夫バンパリ
インフオースメント３の荷重受面３ａに固定され、吸収
部材７は吸収部材８を包囲する形で配設される。バンパ
カバー５は、樹脂材料からなり、車両ボデー９に固定さ
れバンパリインフオースメント３及びエネルギー吸収体
４を被覆して車両１の外装となつている。又、エネルギ
ー吸収体４及びバンパカバー５の長手方向中央部付近の
一部分には凹部１０が形成されており、この凹部１０に
ライセンスプレート１１が固定されている。[0011] The bumper reinforcement 3 is formed by extrusion molding of aluminum material, has a rectangular cross section, and is fixed to the body 9 of the vehicle 1 via the side member 6. The energy absorber 4 is disposed on the load receiving surface 3a side of the bumper reinforcement 3, and includes a plurality of energy absorbing members 7 formed by extrusion molding of a low-density absorbing member 7 made of a urethane foam material and an aluminum material. It is composed of a high-density absorbing member 8. This absorbing member 8 is fixed to a load receiving surface 3a of a bumper reinforcement 3 at appropriate positions on both outer sides of a license plate 11, which will be described later, and the absorbing member 7 is disposed to surround the absorbing member 8. The bumper cover 5 is made of a resin material, is fixed to the vehicle body 9, covers the bumper reinforcement 3 and the energy absorber 4, and serves as the exterior of the vehicle 1. Further, a recess 10 is formed in a portion of the energy absorber 4 and the bumper cover 5 near the center in the longitudinal direction, and a license plate 11 is fixed to the recess 10.
【００１２】図４に示されるように、吸収部材８は、バ
ンパリインフオースメント３への取付面となる平面形状
の取付部８ａと荷重受面となる円弧形状の荷重受部８ｂ
とから構成される半円形状を呈している。As shown in FIG. 4, the absorbing member 8 has a planar mounting portion 8a that serves as a mounting surface to the bumper reinforcement 3, and an arc-shaped load receiving portion 8b that serves as a load receiving surface.
It has a semicircular shape consisting of.
【００１３】上記した構成のバンパ装置２は以下のよう
に作用する。The bumper device 2 having the above structure operates as follows.
【００１４】衝突等により荷重が加わると、そのエネル
ギーはバンパ装置２により緩衝されて車両１へと伝わる
。荷重が加わつた際、吸収部材８は、図５に示されるよ
うに、曲げ変形を起こしてそのエネルギーを吸収する。
その変形時の特性は、図６に示されるように、高い荷重
域でのエネルギー吸収が可能である共にその荷重域まで
に充分なたわみ量が得られる。これにより、バンパ装置
２を大型化することなく、バンパ装置２として吸収でき
る荷重の限界を高くすることができ且つバンパ装置２で
のエネルギー吸収量を大きくすることができる。
又、この変形時の特性は、定荷重型で矩形形状の波形を
示すものであるため、板厚を変更するのみの比較的簡単
な作業でバンパ装置２として吸収できる限界の荷重を様
々な値に設定できる。尚、この吸収部材８を持つバンパ
装置２は、車両１のボデー耐久力に限定がある車種に最
も有効に利用できうる。When a load is applied due to a collision or the like, the energy is buffered by the bumper device 2 and transmitted to the vehicle 1. When a load is applied, the absorbing member 8 undergoes bending deformation and absorbs the energy, as shown in FIG. As shown in FIG. 6, its characteristics during deformation are that it is capable of absorbing energy in a high load range and that a sufficient amount of deflection can be obtained up to that load range. Thereby, the limit of the load that can be absorbed by the bumper device 2 can be increased without increasing the size of the bumper device 2, and the amount of energy absorbed by the bumper device 2 can be increased. In addition, since this deformation characteristic is a constant load type and shows a rectangular waveform, the limit load that can be absorbed by the bumper device 2 can be changed to various values by a relatively simple operation of just changing the plate thickness. Can be set to Incidentally, the bumper device 2 having the absorbing member 8 can be most effectively used for vehicle types in which the body durability of the vehicle 1 is limited.
【００１５】次に本発明の第１変形例及び第２変形例に
ついて説明する。尚、このバンパ装置２は吸収部材１２
，１３以外は本実施例と同一であるためその説明は省略
する。Next, a first modification and a second modification of the present invention will be explained. Note that this bumper device 2 includes an absorbing member 12
, 13 are the same as those in this embodiment, so their explanation will be omitted.
【００１６】図７に示されるように、本実施例の吸収部
材８に対応する第１変形実施例の吸収部材１２は、バン
パリインフオースメント３への取付面となる平面形状の
取付部１２ａと荷重受面となる円弧形状の荷重受部１２
ｂとから構成される半円形状を呈している。この取付部
１２ａと荷重受部１２ｂとは、その閉断面内において取
付部１２ａに対して垂直なリブ部１２ｃにて結ばれてい
る。As shown in FIG. 7, the absorbing member 12 of the first modified embodiment, which corresponds to the absorbing member 8 of the present embodiment, has a planar mounting portion 12a that serves as a mounting surface to the bumper reinforcement 3. and an arc-shaped load receiving portion 12 that serves as a load receiving surface.
It has a semicircular shape consisting of b. The mounting portion 12a and the load receiving portion 12b are connected by a rib portion 12c perpendicular to the mounting portion 12a within the closed cross section thereof.
【００１７】この構成において、衝突等により荷重が加
わると、そのエネルギーはバンパ装置２により緩衝され
て車両１へと伝わる。荷重が加わつた際、吸収部材１２
は、図８に示されるように、荷重受部１２ｂが曲げ変形
をリブ部１２ｃが座屈変形を起こしてそのエネルギーを
吸収する。その変形時の特性は、図９に示されるように
、高い荷重域でのエネルギー吸収が可能である共にその
荷重域までに充分なたわみ量が得られる。これにより、
バンパ装置２を大型化することなく、バンパ装置２とし
て吸収できる荷重の限界を高くすることができ且つバン
パ装置２でのエネルギー吸収量を大きくすることができ
る。又、この変形時の特性は、ピーク波形を示すもので
あるため、より高い荷重域でのエネルギー吸収が可能と
なり、車両１のボデー耐久力に充分な余裕がある車種に
最も有効に利用できうる。In this configuration, when a load is applied due to a collision or the like, the energy is buffered by the bumper device 2 and transmitted to the vehicle 1. When a load is applied, the absorbing member 12
As shown in FIG. 8, the load receiving portion 12b undergoes bending deformation and the rib portion 12c causes buckling deformation to absorb the energy. As shown in FIG. 9, its characteristics during deformation are that it is capable of absorbing energy in a high load range and that a sufficient amount of deflection can be obtained up to that load range. This results in
The limit of the load that can be absorbed by the bumper device 2 can be increased without increasing the size of the bumper device 2, and the amount of energy absorbed by the bumper device 2 can be increased. In addition, since this characteristic during deformation shows a peak waveform, it is possible to absorb energy in a higher load range, and it can be used most effectively for vehicle models that have sufficient margin in the body durability of the vehicle 1. .
【００１８】図１０に示されるように、本実施例の吸収
部材８に対応する第２変形実施例の吸収部材１３は本実
施例の吸収部材８に対応する第１変形実施例の吸収部材
１２は、バンパリインフオースメント３への取付面とな
る平面形状の取付部１３ａと荷重受面となる円弧形状の
荷重受部１３ｂとから構成される半円形状を呈している
。この取付部１３ａと荷重受部１３ｂとは、その閉断面
内において２本のリブ部１３ｃ，１３ｄにて結ばれてい
る。このリブ部１３ｃ，１３ｄは荷重受部１３ｂ側を頂
点とした三角形形状を呈するように配置されている。As shown in FIG. 10, the absorbent member 13 of the second modified embodiment corresponding to the absorbent member 8 of this embodiment is the same as the absorbent member 12 of the first modified embodiment corresponding to the absorbent member 8 of this embodiment. The bumper reinforcement 3 has a semicircular shape composed of a planar mounting portion 13a serving as a mounting surface to the bumper reinforcement 3 and an arc-shaped load receiving portion 13b serving as a load receiving surface. The mounting portion 13a and the load receiving portion 13b are connected by two rib portions 13c and 13d within their closed cross section. The rib portions 13c and 13d are arranged to have a triangular shape with the load receiving portion 13b as the apex.
【００１９】この構成において、衝突等により荷重が加
わると、そのエネルギーはバンパ装置２により緩衝され
て車両１へと伝わる。荷重が加わつた際、吸収部材１３
は、図１１ａ，図１１ｂに示されるように、曲げ変形を
起こしてそのエネルギーを吸収する。その変形時の特性
は、図１２に示されるように、高い荷重域でのエネルギ
ー吸収が可能である共にその荷重域までに充分なたわみ
量が得られる。これにより、バンパ装置２を大型化する
ことなく、バンパ装置２として吸収できる荷重の限界を
高くすることができ且つバンパ装置２でのエネルギー吸
収量を大きくすることができる。又、この変形時の特性
は、三角形形状の波形を示すものであるため、エネルギ
ー吸収量をより大きなものとすることができ、車両１の
ボデー耐久力に余裕がある車種に最も有効に利用できう
る。尚、リブ１３ｃ，１３ｄにより呈される三角形形状
は荷重受部１３ｂ側を頂点とする三角形形状としてもよ
い。In this configuration, when a load is applied due to a collision or the like, the energy is buffered by the bumper device 2 and transmitted to the vehicle 1. When a load is applied, the absorbing member 13
causes bending deformation and absorbs the energy, as shown in FIGS. 11a and 11b. As shown in FIG. 12, its characteristics during deformation are that it is capable of absorbing energy in a high load range and that a sufficient amount of deflection can be obtained up to that load range. Thereby, the limit of the load that can be absorbed by the bumper device 2 can be increased without increasing the size of the bumper device 2, and the amount of energy absorbed by the bumper device 2 can be increased. In addition, since this deformation characteristic exhibits a triangular waveform, it is possible to increase the amount of energy absorption, and it can be most effectively used in vehicle models that have sufficient body durability. sell. Note that the triangular shape exhibited by the ribs 13c and 13d may be a triangular shape with the load receiving portion 13b side as the apex.
【００２０】[0020]
【発明の効果】本発明は、車両ボデーにサイドメンバを
介して固定されるバンパリインフオースメントと、該バ
ンパリインフオースメントの荷重受面側に設けられたエ
ネルギー吸収体と、前記リインフオースメント及び前記
エネルギー吸収体を被覆して外装となるバンパカバーと
を有する車両用バンパ装置において、前記エネルギー吸
収体は、円弧形状の荷重受部及び平面形状の取付部を持
つ断面半円形状を呈した吸収部材を有して車両用バンパ
装置を構成したので、以下の如く効果を奏する。Effects of the Invention The present invention provides a bumper reinforcement that is fixed to a vehicle body via a side member, an energy absorber provided on the load receiving surface side of the bumper reinforcement, and a bumper reinforcement that is fixed to a vehicle body via a side member. In the vehicle bumper device, the vehicle bumper device includes a bumper cover that covers the energy absorber and serves as an exterior. Since the vehicle bumper device is configured with the absorbing member, the following effects can be achieved.
【００２１】高い荷重域でのエネルギー吸収が可能であ
る共にその荷重域までに充分なたわみ量が得られ、これ
により、バンパ装置を大型化することなく、バンパ装置
として吸収できる荷重の限界を高くすることができ且つ
バンパ装置でのエネルギー吸収量を大きくすることがで
きる。[0021] It is possible to absorb energy in a high load range, and a sufficient amount of deflection can be obtained up to that load range, thereby increasing the limit of the load that can be absorbed by the bumper device without increasing the size of the bumper device. In addition, the amount of energy absorbed by the bumper device can be increased.
【図１】本発明に係るバンパ装置を搭載した車両の斜視
図である。FIG. 1 is a perspective view of a vehicle equipped with a bumper device according to the present invention.
【図２】図１に示すＡ−Ａ線断面図である。FIG. 2 is a cross-sectional view taken along the line AA shown in FIG. 1.
【図３】本発明に係るバンパ装置の断面図である。FIG. 3 is a sectional view of a bumper device according to the present invention.
【図４】本実施例における吸収部材の断面図である。FIG. 4 is a sectional view of the absorbent member in this example.
【図５】図４に示す吸収部材の変形状態を示す断面図で
ある。5 is a sectional view showing a deformed state of the absorbent member shown in FIG. 4. FIG.
【図６】図４に示す吸収部材の変形時における荷重と変
位との関係を示す図である。FIG. 6 is a diagram showing the relationship between load and displacement when the absorbing member shown in FIG. 4 is deformed.
【図７】第１変形実施例における吸収部材の断面図であ
る。FIG. 7 is a sectional view of an absorbing member in a first modified example.
【図８】図７に示す吸収部材の変形状態を示す断面図で
ある。8 is a sectional view showing a deformed state of the absorbent member shown in FIG. 7. FIG.
【図９】図７に示す吸収部材の変形時における荷重と変
位との関係を示す図である。9 is a diagram showing the relationship between load and displacement when the absorbing member shown in FIG. 7 is deformed; FIG.
【図１０】第２変形実施例における吸収部材の断面図で
ある。FIG. 10 is a sectional view of an absorbing member in a second modified example.
【図１１】図１０に示す吸収部材の変形状態を示す断面
図である。11 is a sectional view showing a deformed state of the absorbent member shown in FIG. 10. FIG.
【図１２】図１０に示す吸収部材の変形時における荷重
と変位との関係を示す図である。FIG. 12 is a diagram showing the relationship between load and displacement when the absorbing member shown in FIG. 10 is deformed.
【図１３】吸収部材の本発明装置と従来装置とを比較し
た変形時における荷重と変位との関係を示す図である。FIG. 13 is a diagram illustrating the relationship between load and displacement during deformation, comparing the absorbing member of the present invention and a conventional device.
３ バンパリインフオースメント ４ エネルギー吸収体 ５ バンパカバー ６ サイドメンバ ８ 吸収部材 ９ ボデー（車両ボデー） ８ａ 取付部 ８ｂ 荷重受部 １２ｃ，１３ｃ，１３ｄ リブ部 3 Bumper reinforcement 4 Energy absorber 5 Bumper cover 6 Side members 8 Absorption member 9 Body (vehicle body) 8a Mounting part 8b Load receiving part 12c, 13c, 13d Rib part
Claims (1)
定されるバンパリインフオースメントと、該バンパリイ
ンフオースメントの荷重受面側に設けられたエネルギー
吸収体と、前記リインフオースメント及び前記エネルギ
ー吸収体を被覆して外装となるバンパカバーとを有する
車両用バンパ装置において、前記エネルギー吸収体は、
円弧形状の荷重受部及び平面形状の取付部を持つ断面半
円形状を呈した吸収部材を有する車両用バンパ装置【請
求項２】 前記吸収部材は、前記荷重受部と前記取付
部とを結ぶ前記取付部に対して垂直なリブ部を有する請
求項１記載の車両用バンパ装置。 【請求項３】 前記吸収部材は、前記荷重受部と前記
取付部とをＶ字形状で結ぶ２本のリブ部を有する請求項
１記載の車両用バンパ装置。[Scope of Claims] [Claim 1] A bumper reinforcement fixed to a vehicle body via a side member; an energy absorber provided on a load receiving surface side of the bumper reinforcement; In a vehicle bumper device comprising reinforcement and a bumper cover that covers the energy absorber and serves as an exterior, the energy absorber includes:
A vehicle bumper device comprising an absorbing member having a semicircular cross section and an arcuate load receiving portion and a planar mounting portion.Claim 2: The absorbing member connects the load receiving portion and the mounting portion. The vehicle bumper device according to claim 1, further comprising a rib portion perpendicular to the mounting portion. 3. The vehicle bumper device according to claim 1, wherein the absorbing member has two rib portions connecting the load receiving portion and the mounting portion in a V-shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07488491A JP3248694B2 (en) | 1991-04-08 | 1991-04-08 | Vehicle bumper device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07488491A JP3248694B2 (en) | 1991-04-08 | 1991-04-08 | Vehicle bumper device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04310446A true JPH04310446A (en) | 1992-11-02 |
| JP3248694B2 JP3248694B2 (en) | 2002-01-21 |
Family
ID=13560239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07488491A Expired - Fee Related JP3248694B2 (en) | 1991-04-08 | 1991-04-08 | Vehicle bumper device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3248694B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08276802A (en) * | 1995-03-31 | 1996-10-22 | Mercedes Benz Ag | Shock absorber |
| US5711562A (en) * | 1995-08-24 | 1998-01-27 | Aisin Seiki Kabushiki Kaisha | Bumper assembly for vehicles |
| JP2002137699A (en) * | 2000-10-31 | 2002-05-14 | Fuji Heavy Ind Ltd | Bumper beam structure |
| EP1172260A3 (en) * | 2000-07-14 | 2003-09-17 | Kyoraku Co., Ltd. | Automobile bumper |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107662566B (en) * | 2016-07-28 | 2020-09-01 | 长城汽车股份有限公司 | Anticollision roof beam assembly and vehicle |
-
1991
- 1991-04-08 JP JP07488491A patent/JP3248694B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08276802A (en) * | 1995-03-31 | 1996-10-22 | Mercedes Benz Ag | Shock absorber |
| US5785367A (en) * | 1995-03-31 | 1998-07-28 | Mercedes-Benz Ag | Bumper |
| US5711562A (en) * | 1995-08-24 | 1998-01-27 | Aisin Seiki Kabushiki Kaisha | Bumper assembly for vehicles |
| EP1172260A3 (en) * | 2000-07-14 | 2003-09-17 | Kyoraku Co., Ltd. | Automobile bumper |
| JP2002137699A (en) * | 2000-10-31 | 2002-05-14 | Fuji Heavy Ind Ltd | Bumper beam structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3248694B2 (en) | 2002-01-21 |
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