KR20020049998A - Structure of bumper for automobile - Google Patents

Structure of bumper for automobile Download PDF

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Publication number
KR20020049998A
KR20020049998A KR1020000079327A KR20000079327A KR20020049998A KR 20020049998 A KR20020049998 A KR 20020049998A KR 1020000079327 A KR1020000079327 A KR 1020000079327A KR 20000079327 A KR20000079327 A KR 20000079327A KR 20020049998 A KR20020049998 A KR 20020049998A
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KR
South Korea
Prior art keywords
bumper
impact
bumper cover
cover
lever
Prior art date
Application number
KR1020000079327A
Other languages
Korean (ko)
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KR100410331B1 (en
Inventor
이승
Original Assignee
이계안
현대자동차주식회사
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Application filed by 이계안, 현대자동차주식회사 filed Critical 이계안
Priority to KR10-2000-0079327A priority Critical patent/KR100410331B1/en
Publication of KR20020049998A publication Critical patent/KR20020049998A/en
Application granted granted Critical
Publication of KR100410331B1 publication Critical patent/KR100410331B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/24—Arrangements for mounting bumpers on vehicles
    • B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
    • B60R19/28—Metallic springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B60R19/22—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact containing mainly cellular material, e.g. solid foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B60R2019/186—Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material
    • 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
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R21/0134—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to imminent contact with an obstacle, e.g. using radar systems
    • B60R2021/01345—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to imminent contact with an obstacle, e.g. using radar systems using mechanical sensing means

Abstract

PURPOSE: A bumper structure for a vehicle is provided to maintain rigidity against to a large outer impact and to enhance an absorbing performance of a front impact such as a collision with a walker. CONSTITUTION: An impact absorbing material(12) for absorbing primarily an impact is installed at a rear side of a bumper cover(11), and a bumper beam(13) made of steel is fixed at a backside of the impact absorbing material. The bumper beam is coupled at a frame(15) by a bolt through a bumper stay(14) and supports entirely a bumper. An impact-sensing lever(18) is mounted at the rear side of the bumper cover, and a fixing spring is mounted at the rear side of the impact-sensing lever. A ring portion of a T shape is inserted at a latching recess of a bumper cover-supporting lever(20), and the fixing spring maintains the coupling of the ring portion. The bumper cover-supporting lever is connected at the bumper cover surface and the bumper beam surface, and a returning spring is installed at the rear side thereof. Therefore, the bumper cover-supporting lever is returned at an original state after colliding. An elastic spring(23) is connected at a central portion of the bumper, and connected at the bumper cover and the bumper beam.

Description

자동차용 범퍼 구조{Structure of bumper for automobile}Structure of bumper for automobile

본 발명은 자동차용 범퍼 구조에 관한 것으로서, 더욱 상세하게는 범퍼 커버의 이면에 충돌을 감지하는 충격 감지 레버와, 상기 범퍼 커버와 범퍼빔에 연접되며, 상기 충격 감지 레버의 'T'자형 고리부에 고정되어 있는 범퍼 커버 지지 레버를 장착하고, 상기 범퍼 커버와 범퍼빔에 연접하여 충격을 흡수하는 스프링을 장착하여 보행자에 가해지는 충격을 한층 더 흡수 할 수 있는 자동차용 범퍼 구조를 제공하고자 한다.The present invention relates to a bumper structure for an automobile, and more particularly, an impact sensing lever for detecting a collision on a rear surface of a bumper cover, a bumper cover and a bumper beam connected to each other, and a 'T' shaped ring portion of the impact sensing lever. The present invention provides a bumper structure for a vehicle that can further absorb shock applied to a pedestrian by mounting a bumper cover support lever fixed to the spring and a spring absorbing shock by connecting to the bumper cover and the bumper beam.

일반적으로, 자동차에는 충돌시에 그 충격을 흡수하여 탑승자 등을 보호하기 위해 차체의 전방 및 후방에 범퍼가 장착되어있는 바, 이와 같은 종래의 범퍼는 도 3에 도시된 것과 같이, 범퍼(10)의 외관미를 향상시키기 위한 범퍼 커버(11)와, 이 범퍼 커버(11)의 이면에 부착되어 충격을 1차적으로 흡수하는 발포고무와 같은 충격 흡수재(12)를 갖춘 구조로 되어 있다.In general, bumpers are mounted on the front and rear of the vehicle body in order to absorb the shock during a collision to protect the occupants and the like, and such a conventional bumper includes a bumper 10 as shown in FIG. 3. The bumper cover 11 for improving the appearance and the impact absorbing material 12, such as foam rubber attached to the rear surface of the bumper cover 11 to absorb the impact primarily.

그리고, 상기한 충격 흡수재(12) 만으로는 차량 충돌시에 탑승자 등을 보다 효과적으로 보호하기가 미흡하기 때문에 대개는 스틸재질로 된 범퍼빔(13)이 상기 충격 흡수재(12)의 이면에 결합되고, 이 범퍼빔(13)은 범퍼 스테이(14)를 매개로 프레임(15)에 볼트 체결되어 범퍼를 전체적으로 지지하도록 되어 있다.In addition, since the shock absorber 12 alone is insufficient to protect the occupants and the like more effectively during a vehicle crash, a bumper beam 13 made of steel is usually coupled to the rear surface of the shock absorber 12. The bumper beam 13 is bolted to the frame 15 via the bumper stay 14 to support the bumper as a whole.

한편, 종래의 범퍼는 도 3에 도시된 바와 같이, 자동차의 충돌이나 추돌시에 먼저 충격 흡수재(12)가 충격을 1차적으로 흡수하고, 여분의 충격은 범퍼빔(13)에전달되어 범퍼빔(13)이 충격을 적절히 흡수함과 동시에 상기 범퍼 스테이(14)를 통하여 프레임(15)으로 분산시켜 탑승자 쪽으로 가능한 한 충격이 적게 전달되도록 하여 탑승자 등을 보호하고 있다.Meanwhile, in the conventional bumper, as shown in FIG. 3, the shock absorber 12 first absorbs the shock first when the vehicle collides or collides, and the extra shock is transmitted to the bumper beam 13 to the bumper beam. (13) absorbs the impact appropriately and at the same time is distributed to the frame (15) through the bumper stay (14) to protect the occupants and the like so as to transmit as little impact as possible toward the occupant.

그런데, 종래의 범퍼의 구조는 전방 충돌로 인한 차량 내부의 승객을 보호하는 구조로 되어 있어 보행자와의 충돌시, 상기 보행자에 대한 충격 흡수 효과는 미약한 한편, 차량 충돌시와 같은 큰 외부 충격에 대한 강성을 유지하면서 보행자 충돌과 같은 전방 충격을 흡수할 수 있는 구조가 없다는 문제점이 있다.However, the conventional bumper has a structure that protects passengers inside the vehicle due to a front collision, so that the impact absorbing effect on the pedestrian is weak when colliding with a pedestrian. There is a problem in that there is no structure that can absorb the front impact such as pedestrian collision while maintaining the rigidity.

따라서, 본 발명은 상기와 같은 문제점을 감안하여 안출한 것으로서, 범퍼 커버의 이면에 충돌을 감지하는 충격 감지 레버와, 범퍼 커버와 범퍼빔에 연접되며, 상기 충격 감지 레버의 'T'자형 고리부에 고정되어 있는 범퍼 커버 지지 레버를 장착하고, 상기 범퍼 커버와 범퍼빔에 연접하여 충격을 흡수하는 스프링을 장착하여 보행자에 가해지는 충격을 한층 더 흡수 할 수 있는 자동차용 범퍼 구조를 제공하는데 그 안출의 목적이 있다.Therefore, the present invention has been made in view of the above problems, the impact sensing lever for detecting a collision on the back of the bumper cover, the bumper cover and the bumper beam is connected to the 'T' shaped ring portion of the impact detection lever It is provided with a bumper cover support lever that is fixed to the bumper cover and a bumper beam connected to the bumper beam to absorb a shock to provide a bumper structure for an automobile that can further absorb the impact on a pedestrian. There is a purpose.

도 1a, 1b는 본 발명에 따른 자동차용 범퍼 구조의 작동 상태를 나타내기 위해 도시한 작동도Figure 1a, 1b is an operation diagram shown for showing the operating state of the bumper structure for automobiles according to the present invention

도 2는 본 발명에 따른 충격 감지 레버와 범퍼 커버 지지 레버를 나타내기 위해 도시한 사시도Figure 2 is a perspective view for showing the impact detection lever and the bumper cover support lever in accordance with the present invention

도 3은 종래의 자동차용 범퍼 구조를 나타내기 위해 도시한 분해 사시도3 is an exploded perspective view showing a conventional bumper structure for a vehicle

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

10 : 범퍼11 : 범퍼 커버10 bumper 11 bumper cover

12 : 충격 흡수재13 : 범퍼빔12: shock absorber 13: bumper beam

14 : 범퍼 스테이15 : 프레임14 bumper stay 15 frame

16a, 16b : 회전축17 : 고정 스프링16a, 16b: rotating shaft 17: fixed spring

18 : 충격 감지 레버19 : 'T'자형 고리부18: shock detection lever 19: 'T' shaped ring portion

20 : 범퍼 커버 지지 레버21 : 걸림홈20: bumper cover support lever 21: locking groove

22 : 복원 스프링23 : 탄성 스프링22: restoring spring 23: elastic spring

이하, 본 발명의 특징에 대해 설명하면 다음과 같다.Hereinafter, the features of the present invention will be described.

본 발명은 범퍼(10)의 외관미를 향상시키기 위한 범퍼 커버(11)와; 이 범퍼 커버(11)의 이면에 부착되어 충격을 1차적으로 흡수하는 발포고무와 같은 충격 흡수재(12)와; 상기 충격 흡수재(12)의 후부에 장착되며, 스틸재질로 된 범퍼빔(13)으로 구성된 범퍼 구조에 있어서, 상기 범퍼 커버(11)의 이면에 충돌을 감지하는 충격 감지 레버(18)와, 상기 범퍼 커버(11)와 범퍼빔(13)에 연접되며, 상기 충격 감지 레버(18)의 'T'자형 고리부(19)에 고정되어 있는 범퍼 커버 지지 레버(20)가 장착되고, 상기 범퍼 커버(11)와 범퍼빔(13)에 연접되어 충격을 흡수하는 탄성 스프링(23)이 장착되며, 상기 충격 흡수재(12)에는 각 장치들이 원활한 동작을 구현할 수 있도록 공간이 형성된 것을 특징으로 한다.The present invention and the bumper cover 11 for improving the appearance of the bumper 10; An impact absorbing material 12 such as foam rubber attached to the rear surface of the bumper cover 11 and primarily absorbing shocks; In the bumper structure mounted on the rear of the shock absorber 12, consisting of a bumper beam 13 made of steel, the impact sensing lever 18 for detecting a collision on the rear surface of the bumper cover 11, and The bumper cover support lever 20 is connected to the bumper cover 11 and the bumper beam 13 and is fixed to the 'T'-shaped ring portion 19 of the impact detection lever 18. An elastic spring 23 connected to the 11 and the bumper beam 13 to absorb the shock is mounted, and the shock absorber 12 is characterized in that a space is formed so that each device can implement a smooth operation.

이하, 첨부도면을 참조하여 본 발명의 구성에 대해 상세하게 설명하면 다음과 같다.Hereinafter, the configuration of the present invention with reference to the accompanying drawings in detail.

도 1a, 1b는 본 발명에 따른 자동차용 범퍼 구조의 작동 상태를 나타내기 위해 도시한 작동도이고, 도 2는 본 발명에 따른 충격 감지 레버와 범퍼 커버 지지 레버를 나타내기 위해 도시한 사시도를 나타낸다.Figure 1a, 1b is an operation diagram shown to show the operating state of the bumper structure for a vehicle according to the present invention, Figure 2 is a perspective view shown to show the shock sensing lever and bumper cover support lever according to the present invention. .

여기서, 도면부호 10은 범퍼를 나타낸다.Here, reference numeral 10 denotes a bumper.

상기 범퍼(10)의 범퍼 커버(11) 이면에 충격을 1차적으로 흡수하는 충격 흡수재(12)가 장착되고, 그 후면에 스틸 재질의 범퍼빔(13)이 고정되어 있다.A shock absorber 12 is installed on the rear surface of the bumper cover 11 of the bumper 10, and a bumper beam 13 made of steel is fixed to the rear surface of the bumper cover 11.

상기 범퍼빔(13)은 범퍼 스테이(14)를 매개로 프레임(15)에 볼트 결합되어 범퍼를 전체적으로 지지하도록 되어 있다.The bumper beam 13 is bolted to the frame 15 via the bumper stay 14 to support the bumper as a whole.

상기 범퍼 커버(11)의 이면에는 회전축(16a)을 중심으로 회동가능하고, 고정 스프링(17)이 배면에 장착된 충격 감지 레버(18)가 장착되어 있다.The rear surface of the bumper cover 11 is rotatable about a rotation shaft 16a, and a shock sensing lever 18 is mounted on a rear surface of the bumper cover 11.

또한, 상기 고정 스프링(17)은 충격 감지 레버(18)의 'T'자형 고리부(19)가범퍼 커버 지지 레버(20)의 걸림홈(21)에서 빠지지 않도록 한다.In addition, the fixing spring 17 prevents the 'T'-shaped ring portion 19 of the impact detection lever 18 from falling out of the locking groove 21 of the bumper cover support lever 20.

상기 범퍼 커버 지지 레버(20)는 범퍼 커버(11)면과 범퍼빔(13)면에 연접되어 있고, 회전축(16b)을 중심으로 회동 가능하며, 그 배면에 복원 스프링(22)이 장착되어 충돌후에 범퍼 커버 지지 레버(20)가 원상태로 복원되도록 한다.The bumper cover support lever 20 is connected to the bumper cover 11 surface and the bumper beam 13 surface, and is rotatable about the rotating shaft 16b, and the restoring spring 22 is mounted on the rear surface of the bumper cover support lever 20. The bumper cover support lever 20 is then restored to its original state.

상기 범퍼(10)의 중앙부에 범퍼 커버(11)면과 범퍼빔(13)면에 연접되어 고정된 탄성 스프링(23)이 장착된다.An elastic spring 23 fixed to the bumper cover 11 surface and the bumper beam 13 surface is mounted at a central portion of the bumper 10.

한편, 충격 흡수재(12)는 범퍼(10)내에 장착된 장치가 원활하게 동작할 수 있도록 공간이 형성되어 있다.On the other hand, the shock absorbing material 12 is formed with a space so that the device mounted in the bumper 10 can operate smoothly.

다음에는 이러한 구성을 갖는 본 발명의 작동 원리에 대해 설명하기로 한다.Next, the working principle of the present invention having such a configuration will be described.

보행자가 자동차와 충돌하여 범퍼(10)에 충돌하게 되면 범퍼 커버(11)의 이면에 장착되어 있는 충격 감지 레버(18)가 충격에 의해 회전축(16a)을 중심으로 후방으로 회전하게 되면 상기 범퍼 커버 지지 레버(20)를 고정하고 있는 상기 충격 감지 레버(18)의 'T'자형 고리부(19)가 범퍼 커버 지지 레버(20)의 걸림홈(21)에서 빠지게 된다.When the pedestrian collides with the vehicle and collides with the bumper 10, the shock detection lever 18 mounted on the rear surface of the bumper cover 11 rotates rearwardly around the rotational axis 16a by an impact. The 'T' shaped ring portion 19 of the impact detecting lever 18 fixing the support lever 20 is removed from the locking groove 21 of the bumper cover support lever 20.

이때, 상기 범퍼 커버 지지 레버(20)의 일단은 충격에 의해 회전축(16b)을 중심으로 회전하게 된다.At this time, one end of the bumper cover support lever 20 is rotated about the rotation shaft 16b by the impact.

또한, 상기 범퍼 커버(11)와 범퍼빔(13)에 연접되어 고정되어 있는 탄성 스프링(23)은 탄성력에 의해 충격을 흡수하여 보행자에 가해지는 충격을 흡수한다.In addition, the elastic spring 23 which is connected to and fixed to the bumper cover 11 and the bumper beam 13 absorbs the impact by the elastic force to absorb the impact applied to the pedestrian.

한편, 상기 충격 감지 레버(18)와 범퍼 커버(11)에 연접되어 고정된 고정 스프링(17)은 충격 감지 레버(18)의 'T'자형 고리부(19)가 상기 범퍼 커버 지지레버(20)의 걸림홈(21)에서 빠지지 않도록 한다.On the other hand, the fixed spring 17 is connected and fixed to the impact detection lever 18 and the bumper cover 11, the 'T' shaped ring portion 19 of the impact detection lever 18 is the bumper cover support lever 20 Do not fall out of the locking groove (21).

이상에서와 같이, 본 발명은 큰 외부 충격에 대한 강성을 유지하면서 보행자 충돌과 같은 전방 충격을 흡수할 수 있는 효과가 있다.As described above, the present invention has the effect of absorbing the front impact such as pedestrian collision while maintaining the rigidity against a large external impact.

Claims (1)

범퍼(10)의 외관미를 향상시키기 위한 범퍼 커버(11)와; 이 범퍼 커버(11)의 이면에 부착되어 충격을 1차적으로 흡수하는 발포고무와 같은 충격 흡수재(12)와; 상기 충격 흡수재(12)의 후부에 장착되며, 스틸재질로 된 범퍼빔(13)으로 구성된 범퍼 구조에 있어서, 상기 범퍼 커버(11)의 이면에 충돌을 감지하는 충격 감지 레버(18)와, 상기 범퍼 커버(11)와 범퍼빔(13)에 연접되며, 상기 충격 감지 레버(18)의 'T'자형 고리부(19)에 고정되어 있는 범퍼 커버 지지 레버(20)가 장착되고, 상기 범퍼 커버(11)와 범퍼빔(13)에 연접되어 충격을 흡수하는 탄성 스프링(23)이 장착되며, 상기 충격 흡수재(12)에는 각 장치들이 원활한 동작을 구현할 수 있도록 공간이 형성된 것을 특징으로 하는 자동차용 범퍼 구조.A bumper cover 11 for improving the appearance beauty of the bumper 10; An impact absorbing material 12 such as foam rubber attached to the rear surface of the bumper cover 11 and primarily absorbing shocks; In the bumper structure mounted on the rear of the shock absorber 12, consisting of a bumper beam 13 made of steel, the impact sensing lever 18 for detecting a collision on the rear surface of the bumper cover 11, and The bumper cover support lever 20 is connected to the bumper cover 11 and the bumper beam 13 and is fixed to the 'T'-shaped ring portion 19 of the impact detection lever 18. An elastic spring 23 which is connected to the 11 and the bumper beam 13 and absorbs the shock is mounted, and the shock absorber 12 has a space formed so that each device can realize a smooth operation. Bumper structure.
KR10-2000-0079327A 2000-12-20 2000-12-20 Structure of bumper for automobile KR100410331B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100379960B1 (en) * 2000-12-29 2003-04-18 현대자동차주식회사 Device for buffering impact of bumper for automobile
CN112092958A (en) * 2020-09-07 2020-12-18 来剑锋 Electric vehicle bumper mounting structure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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KR101856253B1 (en) 2012-12-05 2018-05-09 현대자동차주식회사 A Insert-Type Member for Reinforcing a Variant Profiled Hollow Member Having Closed-Loop Shaped Cross Section and the Using Method Thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990011103U (en) * 1997-08-30 1999-03-25 정몽규 Bumper Bumper
KR100387889B1 (en) * 2000-12-11 2003-06-18 현대자동차주식회사 Impact Absorbing Apparatus of Bumper Hood for Car
KR100373133B1 (en) * 2000-12-19 2003-02-25 현대자동차주식회사 Bumper for vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100379960B1 (en) * 2000-12-29 2003-04-18 현대자동차주식회사 Device for buffering impact of bumper for automobile
CN112092958A (en) * 2020-09-07 2020-12-18 来剑锋 Electric vehicle bumper mounting structure

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