KR910002799Y1 - Chassis front part structure of car - Google Patents

Chassis front part structure of car Download PDF

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Publication number
KR910002799Y1
KR910002799Y1 KR2019850007937U KR850007937U KR910002799Y1 KR 910002799 Y1 KR910002799 Y1 KR 910002799Y1 KR 2019850007937 U KR2019850007937 U KR 2019850007937U KR 850007937 U KR850007937 U KR 850007937U KR 910002799 Y1 KR910002799 Y1 KR 910002799Y1
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South Korea
Prior art keywords
mounting panel
instrument mounting
frame
front frame
tie rod
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KR2019850007937U
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Korean (ko)
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KR870000597U (en
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아끼라 히에다
마꼬도 도꾸다
요시히또 나까모도
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마쓰다 가부시끼가이샤
야마모도 겐이찌
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Publication of KR870000597U publication Critical patent/KR870000597U/en
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Abstract

내용 없음.No content.

Description

자동차의 앞쪽차체구조Front body structure of car

제1도는 본 고안 자동차의 앞쪽차체구조 사시도이고,1 is a perspective view of the front body structure of the present invention car,

제2도는 제1도를 A방향에서 본 정면도.FIG. 2 is a front view of the first view seen in the A direction. FIG.

제3도는 제2도의 Ⅲ-Ⅲ선을 따른 확대단면도.3 is an enlarged cross-sectional view along the III-III line of FIG.

제4도는 보강부재의 측면도이다.4 is a side view of the reinforcing member.

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

3 : 계기부착판넬 4 : 플로어판넬3: Instrument panel 4: Floor panel

5 : 계기부착판넬 가로부재 6 : 휠에이프런5: Horizontal member with instrument panel 6: Wheel apron

9 : 상부앞쪽프레임 11 : 하부앞프레임9: upper front frame 11: lower front frame

13 : 타이로드 관통부재 15 : 보강부재13: tie rod through member 15: reinforcing member

본 고안은 자동차의 앞쪽차체구조에 관한 것으로, 특히 충격하중을 효과적으로 흡수할 수 있도록 된 자동차의 앞쪽차체구조에 관한 것이다..The present invention relates to the front body structure of the vehicle, and more particularly to the front body structure of the vehicle that can effectively absorb the impact load.

일반적으로 자동차의 앞쪽차체구조에서 앞프레임은, 예컨대 일본국 실용신안공개 소 59-135272에 게재된 것과 같이, 엔진설치측벽을 구성하는 휠에이프런을 따라 차체전후방향으로 설치되면서 그 뒤쪽끝이 승차실 전면을 구성하는 계기부착판넬에 접합된 폐쇄단면형상의 상부프레임과, 승차실 바닥면을 구성하는 플로어판넬 옆쪽아랫면을 따라 차체전후방향으로 설치되면서 그 앞부분이 상기 계기부착판넬로부터 앞쪽방향으로 연장되어 폐쇄단면형상을 이루는 하부앞프레임으로 구성되어, 상기 상부앞프레임의 뒷쪽부분과 하부앞프레임의 앞부분이 휠에이프런 뒷쪽에 조향장치의 타이로드가 관통하는 관통구를 가진 관통부에 의해 서로 연결되어져 있다.In general, in the front body structure of a car, the front frame is installed in the front and rear direction along the wheel apron constituting the engine installation side wall, as shown in Japanese Utility Model Publication No. 59-135272, for example, and the rear end thereof is in the passenger compartment. The upper section of the closed cross-sectional shape joined to the instrument mounting panel constituting the front surface and the front and rear directions of the vehicle body along the lower side of the floor panel constituting the bottom surface of the cab are extended forward from the instrument mounting panel. It consists of a lower front frame that forms a closed cross-sectional shape, wherein the rear part of the upper front frame and the front part of the lower front frame are connected to each other by a through part having a through hole through which a tie rod of a steering device penetrates behind the wheel apron. .

그러나 이러한 구조로된 종래의 앞쪽처체구조에서는 자동차의 정면충돌시에 상기 상부앞프레임 앞쪽에 커다란 충격하중이 작용하는 경우, 그 충격하중이 상부앞쪽 프레임과 하부앞프레임을 연결하는 타이로드관통부에서는 충력전단하중으로 작용하게 되기 때문에, 이 타이로드관통부가 파괴되어 상부앞쪽프레임이 뒷부분이 계기 부착판넬을 뚫고 승차실내로 튀어 들어오게 되는 일이 종종 있었다.However, in the conventional front configuration having such a structure, when a large impact load acts on the front front frame during the frontal collision of the vehicle, the impact load is at the tie rod through which connects the upper front frame and the lower front frame. Because of the impulse shear load, these tie-rod penetrations were often broken, causing the upper front frame to pop through the instrument panel and into the passenger compartment.

이에 본 고안은 상기와 같은 문제점을 해결하기 위해 안출된 것으로, 계기 부착판넬 가로부재와 보강부재가 타이로드관통부에 작용하는 충격하중을 유효히 줄여주도록 함으로써, 상기 타이로드관통부의 파괴로 인한 상부앞쪽프레임이 계기부착판을 뚫고 승차실 내로 튀어 들어오는 현상을 방지하도록 된 자동차의 앞쪽차체구조를 제공함에 그 목적이 있다.The present invention has been devised to solve the above problems, by effectively reducing the impact load acting on the tie rod through the instrument mounting panel horizontal member and reinforcing member, the upper front due to destruction of the tie rod through It is an object of the present invention to provide a vehicle body structure in front of the vehicle to prevent the frame from penetrating the instrument mounting plate and popping into the passenger compartment.

상기와 같은 목적을 달성하기 위한 본 고안 자동차의 앞쪽차체구조는, 엔진설치실측벽을 구성하는 휠에이프런을 따라 차체전후방향으로 설치되면서 그 후단이 승차실의 전면을 구성하는 계기부착판넬에 접합된 폐쇄 단면형상의 상부앞쪽프레임과, 승차실의 바닥면을 구성하는 플로어판넬의 옆쪽 아랫면을 따라 차체전후방향으로 설치되면서 그 앞부분이 상기 계기부착판넬보다 앞쪽방향으로 연장되어 폐쇄단면형상을 이루는 하부앞프레임, 상기 상부앞쪽프레임의 뒷부분과 상기 하부앞프레임의 앞부분을 연결하는 타이로드관통부, 상기 계기 부착판넬하면에 접합되면서 그 양쪽끝부분이 사이드씨일에 연결되어 폐쇄단면형상을 이루는 계기부착판넬 가로부재 및, 상기 타이로드관통부의 내면에 설치되면서 그 후면이 상기 계기부착판넬의 전면에 접합되어진 보강부재로 구성되면서, 상기 보강부재의 하부가 상기 계기부착판넬 가로부재와 일부 겹쳐지도록 되어 있다.The front body structure of the present invention vehicle to achieve the above object is installed in the front and rear direction along the wheel apron constituting the engine installation compartment side wall, the rear end is bonded to the instrument mounting panel constituting the front of the passenger compartment The upper front frame of the closed cross-sectional shape is installed in the front and rear directions along the side surface of the floor panel constituting the bottom surface of the boarding room, and the front portion thereof extends in front of the instrument mounting panel to form a closed cross-sectional shape. Frame, tie rod through which connects the rear part of the upper front frame and the front part of the lower front frame, the instrument mounting panel is joined to the lower surface of the instrument mounting panel and both ends are connected to the side seal to form a closed cross-sectional shape Installed on an inner surface of the horizontal member and the tie rod through portion, and a rear surface thereof is provided on the front surface of the instrument mounting panel. As the reinforcing member consists of a sum been, the lower portion of the reinforcing member is such that some overlaps with the instruments attached to the panel cross member.

이상과 같이 구성된 본 고안은, 자동차의 정면충돌시 상부앞쪽프레임의 앞쪽에 충격하중이 작용하는 경우, 그 충격하중이 상부앞쪽프레임의 뒷쪽부분에서는 타이로드관통부를 거쳐 하부앞프레임에 전달될뿐 아니라, 이 타이로드관통부 내부에 설치된 보강부재 및 이 보강부재의 하부와 겹쳐진 계기부착판넬 가로부재를 거쳐 사이드씨일에 전달되게 되므로서, 상기 타이로드관통부에 작용하는 충격전단하중이 줄여질 수 있게 된다.According to the present invention configured as described above, when the impact load acts on the front of the upper front frame during the frontal collision of the vehicle, the impact load is not only transmitted to the lower front frame through the tie rod through the rear portion of the upper front frame. The impact shear load acting on the tie rod penetrating part can be reduced by being transmitted to the side seal through a reinforcing member installed inside the tie rod penetrating part and an instrument mounting panel horizontal member overlapping the lower part of the reinforcing member. Will be.

이하 본 고안을 첨부된 예시도면에 의거 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

제1도 및 제2도는 본 고안 자동차의 앞쪽부분 차체구조를 도시해 놓은 것으로서, 엔진설치실(1)과 승차실(2)을 칸막이하면서 승차실(2) 전면을 구성하는 계기 부착판넬(3) 아래쪽끝이 상기 승차실(2)의 아랫면을 구성하는 플로어판넬(4) 앞끝에 접합되고, 상기 계기부착판넬(3) 하부의 뒤쪽에서 아랫쪽으로 경사진 경사부(3a)에는 상기 플로어판넬(4)에 접합되어져 폐쇄단면을 형성하는 계기부착판넬 가로부재(5)가 차폭방향으로 연장되어 설치되며, 이 계기부착판넬 가로부재(5)의 양쪽 끝부분을 차체측면 도어개구부의 아래테두리를 구성하는 폐쇄단면형상의 사이드씨일(도시안됨)에 연결되어 있다.1 and 2 show the vehicle body structure of the front part of the vehicle according to the present invention, and the instrument mounting panel (3) forming the front of the boarding room (2) while partitioning the engine installation room (1) and the boarding room (2). The lower end is joined to the front end of the floor panel 4 constituting the lower surface of the boarding room 2, and the floor panel (3a) is inclined downward from the rear of the lower part of the instrument mounting panel 3). 4) The instrument mounting panel horizontal member 5, which is joined to 4 and forms a closed section, is installed extending in the vehicle width direction, and both ends of the instrument mounting panel horizontal member 5 form a lower edge of the body side door opening. Is connected to a closed side seal (not shown).

그리고, 엔진설치실(1)의 측벽을 구성하는 휠에이프런(6) 상부에는 휠하우스(7) 및 서프펜션타워(8)가 각각 형성되고, 상기 휠에이프런(6)의 하부에는 그 내면에 접합되어져 폐쇄단면을 형성하는 상부앞쪽프레임(9)이 휠에이프런(6)을 따라 차체전후방향으로 뻗어 설치되어져 있다.In addition, a wheelhouse 7 and a suspension tower 8 are respectively formed on the wheel aprons 6 constituting the side wall of the engine installation chamber 1, and a lower portion of the wheel aprons 6 is joined to an inner surface thereof. The upper front frame 9, which forms a closed cross section, extends along the wheel apron 6 in the front and rear directions of the vehicle body.

여기서 상기 상부앞쪽프레임(9)의 뒷끝은 상기 계기부착판넬(3)에 접합되면서 그 앞부분이 2쪽으로 갈라져 윗쪽 분기프레임(9a)과 아래쪽 분기프레임(9b)은 상기 앞쪽프레임(9)의 뒷부분과 일체로 형성되면서 그 뒷부분쪽으로부터 앞쪽아랫방향으로 뻗고, 이 아랫쪽 분기프레임(9b)의 앞쪽끝부위에는 차폭방향으로 뻗으면서 중앙에 엔진부착부(10a)을 갖는 앞가로부재(10) 끝부분이 연결되어져 있다.Here, the rear end of the upper front frame 9 is joined to the instrument mounting panel 3, and the front part thereof is split into two, so that the upper branch frame 9a and the lower branch frame 9b are rear parts of the front frame 9 and While being formed integrally, the front side member 10 extends from the rear side toward the front downward, and the front end member of the lower branch frame 9b has the engine attachment portion 10a at the center while extending in the vehicle width direction. It is connected.

한편 상기 윗쪽 분기프레임(9a)은 상부프레임(9)의 뒷부분쪽과는 별개의 부재로 되면서 그 뒷부분쪽과 거의 동일선상에 위치하게 되고, 또 이 윗쪽 분기프레임(9a)의 앞쪽끝부위에는 범퍼(도시안됨)가 부착되도록 되어있다.On the other hand, the upper branch frame (9a) is a member separate from the rear part of the upper frame (9) is located on the same line as the rear part, and the bumper at the front end of the upper branch frame (9a) (Not shown) is intended to be attached.

또 상기 상부앞쪽프레임(9)에 대응한 플로어판넬(4) 옆쪽아랫면을 따라 차체전후방향으로는 하부앞프레임(11)이 설치되어 있는 바, 이 하부앞프레임(11)은 상기 플로어판넬(4)에 접합되어 이 플로어판넬(4)과 함께 폐쇄단면을 형성하고, 상기 하부프레임(11)의 앞부분은 상기 계기부착판넬 가로부재(5)의 하면을 따라 계기부착판넬(3)의 뒷부분 아랫쪽에 일정한 간격을 두고 위치해 있다.In addition, the lower front frame 11 is installed in the front and rear direction of the vehicle body along the lower side of the floor panel 4 corresponding to the upper front frame 9, and the lower front frame 11 is the floor panel 4. And a closed cross-section together with the floor panel 4, and the front part of the lower frame 11 is below the rear part of the instrument mounting panel 3 along the lower surface of the instrument panel horizontal member 5; Located at regular intervals.

또한 상기 상부앞쪽프레인(9)의 뒷부분과 하부앞프레임(11)의 앞부분은 그 중앙부에 조향장치의 타이로드가 관통하는 관통구(12)를 갖는 타이로드관통부(13)에 의해 서로 연결되고, 이 타이로드관통부(13)는 휠에이프런(6)과 내부판넬(14) 등에 의해 관통구(12)주위가 중공형태를 이루면서, 이 타이로드관통부(13)의 상부가 상부 앞쪽프레임(9)의 폐쇄단면내로 연통되어지는 한편, 타이로드관통부(13)의 뒤쪽 옆가장자리부위가 상기 계기부착판넬(3) 및 계기브착판넬 가로부재(5)에 접합되어져 있다.In addition, the rear part of the upper front plane 9 and the front part of the lower front frame 11 are connected to each other by a tie rod through part 13 having a through hole 12 through which the tie rod of the steering apparatus penetrates at the center thereof. The tie rod penetrating portion 13 has a hollow shape around the through hole 12 by the wheel apron 6 and the inner panel 14, and the upper portion of the tie rod penetrating portion 13 has an upper front frame ( While communicating in the closed cross section of 9), the rear side edge portion of the tie rod through portion 13 is joined to the instrument mounting panel 3 and the instrument mounting panel horizontal member 5.

그리고, 본 고안은 상기 타이로드관통부(13)의 내부 뒷쪽 옆가장자리부위 즉 계기부착판넬(3)과 마주보는 부위에 보강부재(15)를 설치한 것을 그 특징으로 하고 있는데, 이 보강부재(15)는 제3도 및 제4도에 도시된 바와 같이, 타이로드관통부(13)내에서 그 내면에 접합됨과 더불어 타이로드관통부(13)내로부터 후방으로 뻗어나온 연장부(15a)를 갖추어, 이 연장부(15a)의 내면이 계기부착판넬(3)의 전면과 접합되어져 있다.In addition, the present invention is characterized in that the reinforcing member 15 is installed on the inner rear side edge portion of the tie rod through portion 13, that is, the portion facing the instrument mounting panel 3, the reinforcing member ( As shown in FIGS. 3 and 4, an extension portion 15a which is joined to the inner surface of the tie rod through portion 13 and extends rearward from the tie rod through portion 13 is shown. In addition, the inner surface of this extension part 15a is joined with the front surface of the instrument mounting panel 3.

또한 상기 부강부재(15)의 상부는 타이로드관토이부(13)내로부터 상부앞쪽프레임(9)내로 연장되어 이 상부 앞쪽 프레임(9)내면에 접합되는 한편, 그 하부가 상기 계기 부착판넬(3)의 가로부재(5)와 일부 겹쳐져 계기부착판넬 가로부재(5)의 전면에 접합되어져 있다. 여기서 참조부호 16은 보강부재(15)와 타이로드관통부(13)의 접합강도를 높여주기 위한 보조보강부재이다.In addition, an upper portion of the buoyancy member 15 extends from the tie rod tube toy portion 13 into the upper front frame 9 and is joined to the inner surface of the upper front frame 9, while the lower portion thereof is attached to the instrument mounting panel ( A part overlaps with the horizontal member 5 of 3), and is joined to the front surface of the instrument mounting panel horizontal member 5. Here, reference numeral 16 is an auxiliary reinforcing member for increasing the bonding strength of the reinforcing member 15 and the tie rod through (13).

다음에는 이상과 같이 된 본 고안 자동차의 앞쪽차체구조의 작용에 대해 설명한다.Next will be described the operation of the front body structure of the present invention as described above.

먼저 상부앞쪽프레임(9) 뒷부분과 하부앞프레임(11)의 앞부분을 연결하는 타이로드관통부(13)의 내부후면(연장부 15a의 내면)에 계기부착판넬(3)의 전면에 접합된 보강부재(15)가 설치되면서, 이 보강부재(15)의 하부가 계기부착판넬 가로부재(5)에 일부 겹쳐 결합되어져 있기 때문에, 자동차 주행중 정면충돌하여 상부앞쪽 프레임(9)의 앞쪽(윗쪽 분기프레임(9a) 등의 앞쪽끝부위쪽)에 충격하중이 작용하게 되면, 그 충격하중이 상부 앞쪽프레임(9)으로부터 타이로드관통부(13)를 거쳐 하부 앞프레임(11)에 전달될 뿐만 아니라, 상기 보강부재(15) 및 계기부차판넬 가로부재(5)를 거쳐 그 계기부착 패널 가로부재(5)의 양쪽끝이 연결되어진 사이드씨일에도 전달되게 된다. 따라서 상기 타이로드 관통부(13)에 작용하는 충력하중(충격전단하중)이 보강부재(15)등을 거쳐 사이드씨일쪽으로 전달된 하중의 크리만큼 감소되게 되므로, 상기 타이로드관통부(13)의 파괴가 방지되어 상부앞쪽프레임(9)이 계기부착판넬(3)을 뚫고 나오는 것이 방지될 수 있게 된다.First, the reinforcement joined to the front of the instrument mounting panel 3 on the inner rear surface (inner surface of the extension part 15a) of the tie rod through section 13 connecting the rear part of the upper front frame 9 and the front part of the lower front frame 11. As the member 15 is installed, the lower part of the reinforcing member 15 is partially coupled to the instrument panel horizontal member 5 so that the front collision (upper branch frame) of the upper front frame 9 is caused by frontal collision while driving. When the impact load acts on the front end of the back (9a), the impact load is transmitted from the upper front frame 9 to the lower front frame 11 via the tie rod through portion 13, Through both the reinforcing member 15 and the meter subpanel horizontal member 5, both ends of the metered panel horizontal member 5 are also transmitted to the side seal. Accordingly, since the impact load (impact shear load) acting on the tie rod through portion 13 is reduced by the cree of the load transmitted to the side seal through the reinforcing member 15, the tie rod penetration portion 13 The destruction of the upper front frame 9 can be prevented from penetrating the instrument mounting panel (3).

또 상술한 바와 같이 상부앞쪽프레임(9)쪽으로부터의 하중전달경로가 두 갈래로 갈라지기 때문에, 정면충돌시 충격하중을 효과적으로 흡수할 수 있을뿐만 아니라, 엔진진동의 흡수나 진동을 최소화하는데에도 기여할 수 있게 된다.In addition, as described above, since the load transfer path from the upper front frame 9 is bifurcated, not only can the shock load be effectively absorbed during a frontal collision, but also contribute to minimizing the absorption and vibration of the engine vibration. It becomes possible.

이상 설명한 바와 같이 본 고안 자동차의 앞쪽차체구조에 의하면 자동차가 정면충돌할 경우, 상부앞쪽프레임(9)에 작용하는 충격하중이 타이로드관통부(13)를 거쳐 하부앞프레임(11)에 전달될 뿐만 아니라, 상기 타이로드관통부(13)의 내부에 설치된 보강부재(15) 및 이 보강부재(15)의 하면과 겹쳐진 계기부착판넬 가로부재(5)를 거쳐 측면씨일에도 전달되기 때문에, 충격하중을 효율적으로 흡수될 수 있은 물론 상기 타이로드관통부(13)에서의 충격하중을 줄여 타이로드관통부(13)가 파괴되는 것이 방지될 수 있고, 또 계기부착판넬(3)에 대해 상부앞쪽프레임(9)이 뚫고 나오게 되는 현상이 확실히 방지될 수 있게 된다.As described above, according to the front body structure of the inventive vehicle, when the vehicle collides in front, the impact load acting on the upper front frame 9 is transmitted to the lower front frame 11 via the tie rod through part 13. In addition, since it is transmitted to the side seal via the reinforcing member 15 installed inside the tie rod through portion 13 and the instrument mounting panel horizontal member 5 overlapping the lower surface of the reinforcing member 15, The load can be absorbed efficiently, and of course, the impact load at the tie rod through portion 13 can be reduced to prevent the tie rod through portion 13 from being destroyed, and the upper front of the instrument mounting panel 3 can be prevented. The phenomenon that the frame 9 penetrates out can be surely prevented.

Claims (1)

엔진설치실측벽을 구성하는 휠에이프런(6)을 따라 차체전후방향으로 설치되면서 그 후단이 승차실의 전면을 구성하는 계기부착판넬(3)에 접합된 폐쇄단면형상을 한 상부앞쪽프레임(9)과, 승차실 바닥면을 구성하는 플로어판넬(4)의 옆쪽부위하면을 따라 차체전후방향으로 설치되면서 그 앞부위가 상기 계기부착판넬(3)보다 더 앞쪽으로 연장되어진 폐쇄단면형상을 한 하부앞프레임(11), 상기 상부앞쪽프레임(9)의 뒷부분과 하부앞프레임(11)의 앞쪽부위를 연결하는 타이로드관통부(13) 및, 상기 계기부착판넬(3)의 하면에 접합되면서 그 양쪽 끝부분이 사이드씨일에 연결된 폐쇄단면형상을 한계기부착판넬 가로부재(5)로 구성된 자동차의 앞쪽차체 구조에 있어서, 상기 타이로드관통부(13)의 내부에, 그 후면이 상기 계기부착판넬(3)의 전면에 접합된 보강부재(15)가 설치되면서, 이 보강부재(15)의 하부가 상기 계기부착 가로부재(5)와 일부 겹쳐지도록 된 것을 특징으로 하는 자동차용 앞쪽차체구조.The upper front frame (9) having a closed cross-sectional shape that is installed in the front and rear direction along the wheel apron (6) constituting the engine installation compartment side wall, and its rear end is joined to the instrument mounting panel (3) constituting the front side of the passenger compartment. And a lower front having a closed cross-sectional shape in which the front part is installed in front and rear directions along the side surface of the floor panel 4 constituting the floor of the boarding room, and the front part thereof extends further forward than the instrument mounting panel 3. Tie-rod through part 13 connecting the frame 11, the rear part of the upper front frame 9 and the front part of the lower front frame 11, and both sides thereof while being joined to the lower surface of the instrument mounting panel 3 In the front body structure of a vehicle in which the end portion is connected to the side seal with a limiter mounting panel horizontal member (5), the inside of the tie rod through section (13), the rear of the instrument mounting panel Reinforcing parts joined to the front of (3) 15 is installed as, for automotive front body structure, characterized in that the lower portion of the reinforcing member 15 is attached to the cross member of the instrument (5) and so that some overlap.
KR2019850007937U 1985-06-07 1985-06-28 Chassis front part structure of car KR910002799Y1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60-86797 1985-04-23
JP1985086797U JPH0134940Y2 (en) 1985-06-07 1985-06-07

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KR910002799Y1 true KR910002799Y1 (en) 1991-05-02

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JP2656794B2 (en) * 1988-06-07 1997-09-24 マツダ株式会社 Front body structure of vehicle

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JPS59135272U (en) * 1983-03-02 1984-09-10 三菱自動車工業株式会社 Front frame structure

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