KR20030092859A - Reinforcement structure of door beam bracket in automobile - Google Patents

Reinforcement structure of door beam bracket in automobile Download PDF

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Publication number
KR20030092859A
KR20030092859A KR1020020030696A KR20020030696A KR20030092859A KR 20030092859 A KR20030092859 A KR 20030092859A KR 1020020030696 A KR1020020030696 A KR 1020020030696A KR 20020030696 A KR20020030696 A KR 20020030696A KR 20030092859 A KR20030092859 A KR 20030092859A
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KR
South Korea
Prior art keywords
door beam
bracket
door
reinforcement
vehicle
Prior art date
Application number
KR1020020030696A
Other languages
Korean (ko)
Inventor
박세혁
Original Assignee
현대자동차주식회사
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Priority to KR1020020030696A priority Critical patent/KR20030092859A/en
Publication of KR20030092859A publication Critical patent/KR20030092859A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/0468—Fixation or mounting means specific for door components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/0412—Lower door structure
    • B60J5/0413—Inner panel, e.g. characterised by carrying components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/042—Reinforcement elements
    • B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
    • B60J5/0438—Elongated type elements, e.g. beams, cables, belts or wires characterised by the type of elongated elements
    • B60J5/0443—Beams
    • B60J5/0444—Beams characterised by a special cross section
    • 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
    • B60R2021/0002—Type of accident
    • B60R2021/0006—Lateral collision
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2410/00—Constructional features of vehicle sub-units
    • B60Y2410/12—Production or manufacturing of vehicle parts
    • B60Y2410/124—Welded parts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

PURPOSE: A door beam bracket reinforcing structure of a vehicle is provided to improve the strength of a door beam and to secure safety in a broadside collision by mounting a reinforcing bracket connected with the door beam and installed in a door. CONSTITUTION: A door beam bracket reinforcing structure of a vehicle is composed of a door beam(27) mounted in a door to secure safety in a collision; a door beam bracket(25) combined to a door inner panel(23) to support the door beam; and a reinforcing bracket(29) of which a side is settled to the door beam bracket and some portion of other side is inserted into the end of the door beam. The reinforcing bracket comprises a central body part; an upper blade part protruded upward near the rear end of the body part; and a lower blade part extended downward the body part from the center of the body part to the rear end thereof.

Description

자동차의 도어빔 브래킷 보강구조{Reinforcement structure of door beam bracket in automobile}Reinforcement structure of door beam bracket in automobile}

본 발명은 차량용 도어빔 브래킷 보강구조에 관한 것으로, 특히 도어빔의 단부의 일정길이에 걸쳐 중첩되고 보강빔의 외부로 일정길이 연장되어 나온 보강브래킷을 구비하여 도어빔의 강성을 확보함으로써 차량의 충돌시 승객의 안전성을 확보할 수 있는 도어빔 브래킷 보강구조에 관한 것이다.The present invention relates to a reinforcement structure for a door beam bracket for a vehicle, and particularly includes a reinforcement bracket which overlaps a certain length of an end portion of a door beam and extends a certain length to the outside of the reinforcement beam, thereby securing the rigidity of the door beam. It relates to a door beam bracket reinforcement structure that can ensure the safety of passengers at the time.

최근 차량 도어의 강성을 향상시키고 충돌 안정성을 확보하기 위해 원형의 빔 또는 사각단면의 빔부재를 도어 내부에 장착시켜 정강성 및 동강성에 대한 각종 법규 만족은 물론, 각 메이커별 차량의 충돌 안전성에 기준하여 도어를 개발하고 있다.In order to improve the rigidity of the vehicle door and to secure the collision stability, a beam member of a circular beam or a square section is mounted inside the door to satisfy various laws regarding the rigidity and dynamic stiffness, as well as the collision safety of each vehicle. To develop doors.

차량 충돌로 인한 사고 형태는 차량의 정면충돌과 측면충돌이 있으며, 특히 측면충돌시 승객의 안전성을 확보하기 위해 차량도어의 내부에 일정 강성을 가진 도어빔을 구비시켜 도어의 실내로 밀리는 양을 줄이고, 차내의 승객에게 전달되는 충격을 최소화하도록 하고 있다.There are two types of accidents caused by vehicle collision: frontal and side collision of the vehicle.In particular, in order to secure the safety of passengers in the event of a side collision, a door beam having a certain rigidity is provided inside the vehicle door to reduce the amount of pushing into the interior of the door. To minimize the impact on passengers in the car,

도 1a 는 종래기술에 따라 차량 도어 내부에 도어빔과 도어빔 브래킷이 설치된 상태를 도시한 단면도이고,1A is a cross-sectional view illustrating a state in which a door beam and a door beam bracket are installed in a vehicle door according to the prior art;

도 1b 는 상기 도 1a 에 도시된 도어빔과 도어빔 브래킷이 결착된 상태의 사시도이다.1B is a perspective view of the door beam and the door beam bracket shown in FIG.

종래에는 원형 단면의 보강빔(7)을 일정한 길이로 절단하여 이를 도어 빔 브래킷(5)에 용접으로 결착시킨 후 도어 빔 브래킷(5)을 도어 인너패널(3)에 용접법이나 볼트부재 등으로 결합시킨다.Conventionally, the reinforcement beam 7 having a circular cross section is cut to a predetermined length and then bonded to the door beam bracket 5 by welding, and then the door beam bracket 5 is coupled to the door inner panel 3 by a welding method or a bolt member. Let's do it.

상기 도어빔(7)은 일정 크기 이상의 강성을 갖는 빔으로서, 도어의 레이아웃에 의한 공간상의 제약을 받기 때문에 필요한 길이를 충분히 확보할 수 없는 경우가 발생한다.The door beam 7 is a beam having rigidity equal to or greater than a predetermined size, and thus may not be sufficiently secured in a required length because of limitations in space due to the layout of the door.

도어빔(7)의 강성은 차량도어의 인장시험에 많은 영향을 주며, 특히 차량의 측면 충돌시의 안정성 측면에서 승객 상해치의 가감에 많은 영향을 주는 요소이다.The stiffness of the door beam 7 has a great influence on the tensile test of the vehicle door, and in particular, it is a factor that has a great influence on the deceleration of the passenger injury value in terms of stability in the side collision of the vehicle.

따라서, 상기 도어빔의 강성확보를 위해 빔의 길이 연장이나 단면증대를 통한 노력이 지속적으로 필요한 실정이다.Therefore, in order to secure the rigidity of the door beam, the effort through the extension of the length of the beam or the increase in the cross-section is constantly required.

따라서 본 발명은 상기한 종래의 제반 상황을 감안하여 도어 내부에 구비되는 도어빔과 연결되는 보강브래킷을 구비하여 도어빔의 강성을 증대시키고, 측면충돌시의 안전성을 향상시킬 수 있는 도어빔 브래킷 보강구조를 제공하는 것을 그 목적으로 한다.Therefore, the present invention has a reinforcement bracket connected to the door beam provided inside the door in view of the above-mentioned conventional situation to increase the rigidity of the door beam, reinforce the door beam bracket that can improve the safety in the side impact Its purpose is to provide a structure.

도 1a 는 종래기술에 따라 차량 도어 내부에 도어빔과 도어빔 브래킷이 설치된 상태를 도시한 단면도,1A is a cross-sectional view illustrating a state in which a door beam and a door beam bracket are installed inside a vehicle door according to the prior art;

도 1b 는 상기 도 1a 에 도시된 도어빔과 도어빔 브래킷의 사시도,Figure 1b is a perspective view of the door beam and the door beam bracket shown in Figure 1a,

도 2a 는 본 발명의 기술에 따라 차량 도어 내부에 도어빔과 도어빔 브래킷 및 보강브래킷이 설치된 상태를 도시한 단면도,Figure 2a is a cross-sectional view showing a state in which the door beam and the door beam bracket and the reinforcement bracket is installed inside the vehicle door in accordance with the technique of the present invention,

도 2b 는 상기 도 2a 의 도어빔과 보강브래킷 및 도어빔이 결착되어 있는 상태를 도시한 사시도,FIG. 2B is a perspective view illustrating a state in which the door beam, the reinforcing bracket, and the door beam of FIG. 2A are bound;

도 2c 는 상기 도 2a 의 A-A 선에 따른 단면도,2C is a cross-sectional view taken along the line A-A of FIG. 2A;

도 2d 는 본 발명의 보강브래킷의 사시도,Figure 2d is a perspective view of the reinforcing bracket of the present invention,

도 2e 는 상기 도 2d 의 C-C 선에 따른 단면도,FIG. 2E is a cross-sectional view taken along the line C-C of FIG. 2D;

도 3a 와 도 3b 는 본 발명의 기술에 따라 보강브래킷이 구비된 도어빔 브래킷 보강구조를 적용했을 때의 효과를 도시한 그래프임.3a and 3b is a graph showing the effect when applying the door beam bracket reinforcement structure provided with a reinforcement bracket according to the technique of the present invention.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

1,21 : 도어 아웃패널 3,23 : 도어 이너패널1,21: Door out panel 3,23: Door inner panel

5,25 : 도어빔 브래킷 7,27 : 도어빔5,25 door beam bracket 7,27 door beam

29 : 보강브래킷29: reinforcement bracket

상기 목적을 달성하기 위한 본 발명의 도어빔 브래킷 보강구조는 도어의 내부에 장착되어 충돌시 안정을 도모하는 도어 빔과, 도어 이너패널에 결합되어 상기 도어 빔을 지지하는 도어빔 브래킷이 구비된 차량의 도어빔 브래킷 보강구조에 있어서,The door beam bracket reinforcing structure of the present invention for achieving the above object is a vehicle equipped with a door beam mounted on the inside of the door to stabilize the collision, and a door beam bracket coupled to the door inner panel to support the door beam In the door beam bracket reinforcement structure of

상기 도어빔 브래킷에 일측이 결착되고, 타측의 일정부분은 상기 도어빔의 단부 내측으로 삽착되는 보강브래킷을 구비하며, 이러한 보강브래킷의 구비로 차량 도어빔의 전체 길이가 연장되는 효과를 얻을 수 있고, 차량의 측면 충돌시 굽힘강성을 크게 하여 차량의 안정성을 도모할 수 있다.One side is bound to the door beam bracket, the other side has a reinforcement bracket is inserted into the end of the door beam, the reinforcement bracket is provided with the effect that the overall length of the vehicle door beam can be extended. In addition, it is possible to improve the stability of the vehicle by increasing the bending stiffness during side collision of the vehicle.

본 발명의 상기 보강브래킷은 단면이 'ㄷ'자 형상인 중심 몸체부와 상기 몸체부의 후측 단부 부근에서 상부로 돌출되어 나온 상부 날개부와, 상기 몸체부의 대략 중앙부에서 시작하여 그 후측 단부까지 몸체의 하부로 일정길이 연장되어 나온 하부 날개부로 구성되며, 이러한 구성으로 도어빔의 자연스런 변형유도 및 측면하중에 대한 굽힘강도를 크게 하여 차량 내부로의 진입속도 및 충격등을 어느 정도 제어할 수 있다.The reinforcing bracket of the present invention has a central body portion having a cross-sectional shape of 'c', an upper wing portion protruding upward near the rear end portion of the body portion, and starting from approximately the center portion of the body portion to the rear end portion thereof. It is composed of a lower wing portion extending a certain length to the lower portion, and by this configuration it is possible to control the entry speed and impact into the vehicle to some extent by increasing the bending strength of the natural deformation induction and side load of the door beam.

이하 첨부된 도면을 참조하여 본 발명에 따른 도어빔 브래킷 보강구조의 실시예에 대해 상세히 설명하기로 한다.Hereinafter, embodiments of the door beam bracket reinforcement structure according to the present invention will be described in detail with reference to the accompanying drawings.

도 2a 는 본 발명의 기술에 따라 차량 도어 내부에 도어빔과 도어빔 브래킷 및 보강브래킷이 설치된 상태를 도시한 단면도이고,2A is a cross-sectional view illustrating a state in which a door beam, a door beam bracket, and a reinforcing bracket are installed in a vehicle door according to the technology of the present invention;

도 2b 는 상기 도 2a 의 도어빔과 보강브래킷(29) 및 도어빔이 결착되어 있는 상태를 도시한 사시도이며,FIG. 2B is a perspective view illustrating a state in which the door beam, the reinforcement bracket 29, and the door beam of FIG. 2A are bound;

도 2c 는 상기 도 2a 의 A-A 선에 따른 단면도이다.FIG. 2C is a cross-sectional view taken along the line A-A of FIG. 2A.

상기 도면을 참조하면, 도어빔 브래킷(25)에 의해 도어 내부에 설치된 도어빔(27)은 그 단면이 원형으로 되어 있으며, 본 발명에서는 상기 도어빔(27)과 연결되어 도어빔(27)의 전체 길이를 연장하는 효과를 얻는 보강브래킷(29)이 구비된다.Referring to the drawings, the door beam 27 installed inside the door by the door beam bracket 25 has a circular cross section, and in the present invention, the door beam 27 is connected to the door beam 27 to The reinforcing bracket 29 is provided to obtain the effect of extending the entire length.

도 2d 는 상기 도어빔 보강 브래킷(29)의 사시도이고,2d is a perspective view of the door beam reinforcement bracket 29,

도 2e 는 상기 도 2d 의 C-C 선에 따른 단면도이다.FIG. 2E is a cross-sectional view taken along the line C-C of FIG. 2D.

도시된 바와 같이, 본 발명의 상기 보강브래킷(29)은 측면에서 인가되는 힘에 대해 굽힙강도가 큰 단면의 형상, 예컨데 'ㄷ'자 형성으로 형성된 중심 몸체부(29a)와, 상기 몸체부(29a)의 후측 단부 부근에서 상부로 돌출되어 나온 상부 날개부(29b)와, 상기 몸체부(29a)의 대략 중앙부에 그 하부로 일정길이 연장되어 나온 하부 날개부(29c) 로 형성되어 있다.As shown, the reinforcing bracket 29 of the present invention has a central body portion (29a) formed in the shape of the cross-section, for example 'C' shape having a large bending strength with respect to the force applied from the side, and the body portion ( The upper wing part 29b which protruded upwards in the vicinity of the rear end part of 29a), and the lower wing part 29c which extended predetermined length below the substantially center part of the said body part 29a are formed.

본 발명의 상기 보강브래킷(29)의 전반부(29d)는 도어에 구비된 도어빔(27)의 내부에 일정길이 만큼 삽입되며, 상,하 날개부(29b,29c)가 형성된 나머지 후반부는 도어빔(27)의 단부 외측으로 연장되어 나와 도어빔 브래킷(25)에 결착된다.The first half 29d of the reinforcing bracket 29 of the present invention is inserted into the inside of the door beam 27 provided in the door by a predetermined length, and the remaining second half of the upper and lower wing portions 29b and 29c is formed in the door beam. It extends outward of the end of 27 and is attached to the door beam bracket 25.

상기에서, 보강브래킷(29)의 전반부(29d)가 도어빔(27)의 내부로 삽입되어 중첩되는 길이는 약 30∼50mm 의 범위가 되도록 하며, 보강브래킷(29)의 후반부와 도어빔 브래킷(25)과의 결착은 스팟용접(spot welding) 등의 방법으로 결착시킨다.In the above, the front end portion 29d of the reinforcing bracket 29 is inserted into the interior of the door beam 27 so that the overlapping length is in a range of about 30 to 50 mm, and the rear half of the reinforcing bracket 29 and the door beam bracket ( Binding with 25) is done by spot welding.

상기와 같이 본 발명의 보강브래킷(29)을 도어빔 브래킷(25)을 이용하여 도어빔(27)과 일직선 방향으로 연결시킴으로써 도어 레이아웃상 도어빔(27)의 길이를 크게 할 수 없는 상황에서 그 길이를 연장시킬 수 있는 효과를 얻을 수 있다.As described above, the reinforcing bracket 29 of the present invention is connected to the door beam 27 in a straight direction by using the door beam bracket 25 in a situation where the length of the door beam 27 cannot be increased in the door layout. The effect of extending the length can be obtained.

또한, 상기 보강브래킷(29)은 그 강성을 도어빔(27) 강성의 대략 10∼30% 가 되도록 하여 도어빔(27)에 비해 상대적으로 약한 강성을 갖는 도어빔 브래킷(25)의 지지력을 높이도록 하고, 나아가 도어빔(27)의 변형을 유도하여 차량 측면 충돌시 차량 내부로 밀리는 속도를 제어할 수 있는 역할을 하게 된다.In addition, the reinforcing bracket 29 has a rigidity of approximately 10 to 30% of the door beam 27, thereby increasing the supporting force of the door beam bracket 25 having a relatively weak rigidity compared to the door beam 27. In addition, by inducing the deformation of the door beam 27 to serve to control the speed that is pushed into the vehicle when the vehicle side collision.

상기한 본 발명의 보강브래킷(29) 설치에 따른 효과를 실험을 통하여 측정하였다.The effect of installing the reinforcing bracket 29 of the present invention was measured through experiments.

도 3a 는 보강브래킷(29)이 설치되지 않은 도어가 구비된 차량에 차량 측면충돌시험을 한 결과, 골반상해치(PSPF) 값의 변화를 시간에 따라 도시한 그래프이고,Figure 3a is a graph showing the change in the pelvic injury (PSPF) value over time as a result of a vehicle side collision test on a vehicle equipped with a door without the reinforcement bracket 29,

도 3b 는 보강브래킷(29)이 장착된 본 발명의 도어를 구비한 차량에 차량 측면충돌시험을 한 결과, 골반상해치(PSPF) 값의 변화를 시간에 따라 도시한 그래프이다.Figure 3b is a graph showing the change in the pelvic injury (PSPF) value with time as a result of the vehicle side collision test on a vehicle having a door of the present invention equipped with a reinforcement bracket (29).

도시된 바와 같이, 종래 사양에 의해 나타난 결과치(PSPF 값의 최대치)가 5.6N 인 반면, 본 발명의 사양에 의해 나타난 결과치는 1.1 N 으로서, 골반 상해치에 있어서는 본 발명이 종래에 비해 5배 이상이나 개선됨을 알 수 있다.As shown, while the result value (maximum value of PSPF value) indicated by the conventional specification is 5.6 N, the result value indicated by the specification of the present invention is 1.1 N, and in the case of pelvic injury value, the present invention is five times or more than the conventional one. It can be seen that the improvement.

이상에서 설명한 바와 같이, 본 발명에 따른 도어빔 브래킷 보강구조는 일측 단부는 차량 도어의 도어빔 내부에 삽입되고, 타측 부위는 상기 도어빔의 단부 외측으로 연장되어 나와 도어 빔 브래킷에 결착되는 보강브래킷을 구비함으로써, 도어빔의 도어 레이아웃상 그 길이를 연장할 수 없었던 부분을 보강브래킷의 설치로 그 길이를 연장하는 효과를 얻을 수 있으며, 도어빔의 변형유도 및 굽힙강성의 증대를 통해 차량 측면 충돌시 도어의 차량 내부로 밀려들어오는 속도와 힘 등을 제어하여 할 수 있다.As described above, the door beam bracket reinforcement structure according to the present invention, one end is inserted into the door beam of the vehicle door, the other portion is extended to the outside of the end of the door beam to be reinforced on the door beam bracket By providing a, it is possible to obtain the effect of extending the length by the installation of the reinforcing bracket on the part of the door layout that could not extend the length of the door beam, collision of the vehicle side through the deformation induction of the door beam and the increase of the bend stiffness This can be done by controlling the speed and force that is pushed into the vehicle at the door.

Claims (4)

도어의 내부에 장착되어 충돌시 안정을 도모하는 도어 빔과, 도어 이너패널에 결합되어 상기 도어 빔을 지지하는 도어빔 브래킷이 구비된 차량의 도어빔 브래킷 보강구조에 있어서,In a door beam bracket reinforcement structure of a vehicle having a door beam mounted inside the door to stabilize the collision, and a door beam bracket coupled to the door inner panel to support the door beam, 상기 도어빔 브래킷에 일측이 결착되고, 타측의 일정부분은 상기 도어빔의 단부 내측으로 삽착되는 보강브래킷이 구비된 것을 특징으로 하는 도어빔 브래킷 보강구조.One side is bound to the door beam bracket, the other portion of the door beam bracket reinforcement structure, characterized in that the reinforcement bracket is inserted into the end of the door beam is provided. 제 1 항에 있어서,The method of claim 1, 상기 보강브래킷은 단면이 'ㄷ'자 형상인 중심 몸체부와 상기 몸체부의 후측 단부 부근에서 상부로 돌출되어 나온 상부 날개부와, 상기 몸체부의 대략 중앙부에서 시작하여 그 후측 단부까지 몸체의 하부로 일정길이 연장되어 나온 하부 날개부로 구성되는 것을 특징으로 하는 도어빔 브래킷 보강구조.The reinforcement bracket has a central body portion having a cross-sectional shape of 'c', an upper wing portion protruding upward from the rear end portion of the body portion, and a lower portion of the body starting from approximately the center portion of the body portion to the rear end portion thereof. Door beam bracket reinforcement structure, characterized in that consisting of the lower wing portion extending length. 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 보강브래킷과 도어빔 브래킷과의 결착은 상기 상,하부 날개부에서 용접에 의해 결착되는 것을 특징으로 하는 도어빔 브래킷 보강구조.The binding of the reinforcement bracket and the door beam bracket is door beam bracket reinforcement structure, characterized in that the binding by the welding in the upper, lower wing. 제 1 항에 있어서,The method of claim 1, 상기 보강브래킷의 전반부가 도어빔의 내부로 삽입되어 중첩되는 길이는 약 30∼50mm 인 것을 특징으로 하는 도어빔 브래킷 보강구조.Door beam bracket reinforcement structure, characterized in that the first half of the reinforcement bracket is inserted into the interior of the door beam overlapping length is about 30 ~ 50mm.
KR1020020030696A 2002-05-31 2002-05-31 Reinforcement structure of door beam bracket in automobile KR20030092859A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4796946A (en) * 1987-09-04 1989-01-10 Inland Steel Company Automotive vehicle door and bar reinforcement
US5820202A (en) * 1995-09-28 1998-10-13 Hyundai Motor Company Vehicle frame reinforcing beam for absorbing impact
US5868456A (en) * 1997-09-29 1999-02-09 Trim Trends, Inc. Selectively heat treated side intrusion beams and method for making the same
KR0121559Y1 (en) * 1995-10-18 1999-03-30 현대자동차주식회사 Impact beam for door
JPH11321318A (en) * 1998-04-21 1999-11-24 Inland Steel Ind Inc Impact beam of automotive door
JP2000280745A (en) * 1999-03-30 2000-10-10 Nissan Diesel Motor Co Ltd Vehicular door

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4796946A (en) * 1987-09-04 1989-01-10 Inland Steel Company Automotive vehicle door and bar reinforcement
US5820202A (en) * 1995-09-28 1998-10-13 Hyundai Motor Company Vehicle frame reinforcing beam for absorbing impact
KR0121559Y1 (en) * 1995-10-18 1999-03-30 현대자동차주식회사 Impact beam for door
US5868456A (en) * 1997-09-29 1999-02-09 Trim Trends, Inc. Selectively heat treated side intrusion beams and method for making the same
JPH11321318A (en) * 1998-04-21 1999-11-24 Inland Steel Ind Inc Impact beam of automotive door
JP2000280745A (en) * 1999-03-30 2000-10-10 Nissan Diesel Motor Co Ltd Vehicular door

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