KR20070040038A - Head lamp mounted the aiming apparatus - Google Patents

Head lamp mounted the aiming apparatus Download PDF

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Publication number
KR20070040038A
KR20070040038A KR1020050095306A KR20050095306A KR20070040038A KR 20070040038 A KR20070040038 A KR 20070040038A KR 1020050095306 A KR1020050095306 A KR 1020050095306A KR 20050095306 A KR20050095306 A KR 20050095306A KR 20070040038 A KR20070040038 A KR 20070040038A
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KR
South Korea
Prior art keywords
screw shaft
aiming
lamp body
reflector
crown gear
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Application number
KR1020050095306A
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Korean (ko)
Inventor
이재훈
Original Assignee
기아자동차주식회사
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Priority to KR1020050095306A priority Critical patent/KR20070040038A/en
Publication of KR20070040038A publication Critical patent/KR20070040038A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
    • B60Q1/068—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle by mechanical means
    • B60Q1/0683—Adjustable by rotation of a screw
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
    • F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2200/00—Special features or arrangements of vehicle headlamps
    • B60Q2200/30—Special arrangements for adjusting headlamps, e.g. means for transmitting the movements for adjusting the lamps
    • B60Q2200/36—Conjoint adjustments, i.e. a mechanical link allows conjoint adjustment of several units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

본 발명의 목적은 광축의 조정을 행하는 에이밍 작업이 쉽고, 조립구조가 단순하여 재료와 공정이 축소되는 에이밍 장치를 구비한 자동차용 전조등 장치를 제공하는 데 있다.SUMMARY OF THE INVENTION An object of the present invention is to provide a headlamp device for an automobile having an aiming device that is easy to adjust an optical axis and whose assembly structure is simple to reduce materials and processes.

이를 위해 본 발명은 램프바디 상부측에 볼축을 통해 움직임이 허용되도록 장착되는 리플렉터와, 그 리플렉터와 로크너트를 통해 나사결합되어 리플렉터를 전후 또는 좌우로 움직여 경사각을 조정하는 나사축과, 그 나사축을 회전시키도록 일체로 된 왕관기어 및 상기 왕관기어로 십자 드라이버의 삽입을 안내하는 가이드부재를 포함하여 구성되는 에이밍 장치를 구비한 자동차용 전조등 장치에 있어서,To this end, the present invention is a reflector mounted on the upper side of the lamp body to allow movement through the ball shaft, the screw shaft is screwed through the reflector and the lock nut to move the reflector back and forth or left and right to adjust the inclination angle, and the screw shaft In the headlight device for an automobile having an aiming device comprising a crown gear integrated to rotate and a guide member for guiding the insertion of the Phillips screwdriver into the crown gear,

상기 나사축의 왕관기어가 장착된 단부에는 십자 드라이버 홈을 가지는 에이밍 볼트 머리가 형성되며, 상기 가이드부재는 상기 램프바디에의 접속면이 완전 개방된 형상으로서 상기 나사축을 포함하는 에이밍 볼트에 의해 램프바디에 체결고정되는 것을 특징으로 한다.An end of the screw shaft is mounted to the end of the crown gear is provided with an aiming bolt head having a Phillips-head screwdriver groove, the guide member is formed by the aiming bolt including the screw shaft in a shape that the connection surface to the lamp body is completely open. It is characterized in that the fastening to the lamp body.

전조등 장치, 에이밍 장치 Headlight device, aiming device

Description

에이밍 장치를 구비한 자동차용 전조등 장치{Head lamp mounted the aiming apparatus}Head lamp mounted the aiming apparatus for automobiles

도 1은 본 발명에 의한 자동차용 전조등 장치의 에이밍 장치의 조립 구조를 나타낸 외부사시도면1 is an external perspective view showing the assembling structure of the aiming device of the headlight device for automobiles according to the present invention.

도 2는 본 발명의 에이밍 장치의 부품 분해도Figure 2 is an exploded view of parts of the aiming device of the present invention

도 3은 도 1의 A-A 단면도3 is a cross-sectional view taken along the line A-A of FIG.

도 4는 본 발명의 에이밍 장치의 정단면도4 is a front cross-sectional view of the aiming device of the present invention.

도 5는 종래기술5 is a prior art

도 6은 도 5 종래기술의 단면도6 is a cross-sectional view of the prior art of FIG.

※ 도면의 주요부분에 대한 부호의 설명※ Explanation of code for main part of drawing

1 : 램프바디 1a : 램프바디 하우징1: Lamp body 1a: Lamp body housing

2 : 리플렉터 4 : 구형돌기축수2: reflector 4: spherical protrusion axis

5 : 왕관기어 6 : 나사축5: crown gear 6: screw shaft

7 : 로크너트 10 : 에이밍 볼트7: Lock nut 10: Aiming bolt

11 : 볼트머리 12 : 십자드라이버홈11: bolt head 12: Phillips screwdriver groove

13 : 가이드부재 14 : 개방부13 guide member 14 opening part

15 : 가이드부 16 : 삽입공15: guide portion 16: insertion hole

17 : 원통지지면 18 : 내측면17: cylindrical surface 18: inner surface

19 : 지지부 20 : 접속구멍19: support portion 20: connection hole

본 발명은 드라이버를 이용하여 광축의 조정을 행하는 에이밍 장치를 구비한 자동차용 전조등 장치에 관한 것이다.TECHNICAL FIELD The present invention relates to a headlamp apparatus for an automobile provided with an aiming device that adjusts an optical axis using a driver.

종래 전조등은 램프바디의 거의 중앙에 설치한 램프의 빛을 리플렉터 및 렌즈를 이용하여 빛의 확산을 방지하고 한점에 빛이 집중되도록 하고 있다. 그리고 리플렉터의 경사각도를 변경하여 광축조정을 행하도록 구성되어 있다.Conventional headlights use a reflector and a lens to prevent the light from spreading and to concentrate light at one point. The optical axis is adjusted by changing the inclination angle of the reflector.

이와같은 종류의 전조등 장치로는 도 5와 6에 도시하는 것과 같이 리플렉터(2)의 상부 일측에 구형돌기 축수(4)로서 리플렉터(2)를 램프바디(1)에 움직임이 가능하게 지지시키고, 램프바디(1)와 리플렉터(2) 사이에는 리플렉터(2) 하부 일측 및 상부 타측에 대응되는 위치상으로 각기 리플렉터(2)의 상하방향의 경사각을 조정하는 에이밍 장치(A1) 및 좌우방향의 경사각을 조정하는 에이밍 장치(A2)를 설치한 구조의 것이 있다.In this type of headlight device, as shown in Figs. 5 and 6, the reflector 2 is supported on the upper side of the reflector 2 as the spherical projection shaft 4 so that the lamp body 1 can be moved. Between the lamp body 1 and the reflector 2, an aiming device A 1 for adjusting the inclination angle of the reflector 2 in the up and down direction on the position corresponding to the lower one side and the upper other side of the reflector 2 and the left and right directions, respectively. There is a structure in which an amming device A 2 for adjusting the inclination angle of is provided.

그리고 상기한 에이밍 장치(A1, A2)는 왕관기어(5) 및 그와 일체로 된 나사축(6)을 구비하여, 나사축(6)을 그것에 회전자유롭게 나사결합한 로크너트(7)를 통해서 리플렉터(2)에 연결한 구조로 되어 있다.The amming device A 1 , A 2 includes a crown gear 5 and a screw shaft 6 integrated therewith, and the lock nut 7 freely screwing the screw shaft 6 thereon. It is a structure connected to the reflector 2 through the.

그리고 십자 드라이버(D)를 왕관기어(5)에 치합시켜 드라이버(D)를 회전시키므로서 로크너트(7)와 일체인 리플렉터(2)를 전진후퇴시켜, 그의 경사각을 조정하도록 되어 있다.The cross screw driver D is engaged with the crown gear 5 to rotate the driver D, and the reflector 2 integral with the lock nut 7 is moved forward and backward to adjust its inclination angle.

또 에이밍 장치(A1, A2)에는 다시 드라이버(D)를 왕관기어(5)에 안전하고 확실하게 안내하기 위하여 가이드부재(8)를 마련하고 있는데, 이 가이드부재(8)는 램프바디(1)와는 별개몸체의 합성수지체로서, 드라이버(D)를 안내하는 원통상 가이드부(81)와 왕관기어(5)를 카바하는 카바부재(82)를 구비하고 있고, 카바부재(82)로서 램프바디(1)에 나사(83)로 체결되어 있다.In addition, the aiming device (A 1 , A 2 ) is provided with a guide member (8) in order to guide the driver (D) to the crown gear (5) safely and reliably again, the guide member (8) is a lamp body It is a synthetic resin body of a body separate from (1), and is provided with the cylindrical guide part 81 which guides the driver D, and the cover member 82 which covers the crown gear 5, and as the cover member 82, The lamp body 1 is fastened with a screw 83.

그러나 상기한 종래 구조에 의하면 램프의 조립 후 단품에서 에이밍 작업을 실시하게 되는데, 에이밍 작업 후 에이밍 가이드부재(8)를 램프바디(1)에 조립하여야 하므로써 커버뒤쪽이 막혀있는 관계로 가이드부재(8)를 2개의 나사(83)를 사용하여 조립하기가 불편하고 후조립공정의 추가로 조립작업 시간이 많이 소요된다는 문제가 있었다.However, according to the conventional structure described above, after the lamp is assembled, the amming work is performed in a single unit. After the amming work, the aming guide member 8 must be assembled to the lamp body 1 so that the back of the cover is blocked. There was a problem that it is inconvenient to assemble the member 8 using the two screws 83 and the assembly work takes a long time by the addition of the post-assembly process.

또 가이드부재(8)의 사출성형 작업시, 그의 하단측은 축방향으로 개방되고 그의 상단의 드라이버가 진입하는 입구의 원통체 형상은 수직방향으로 개구되므로, 슬라이드 코어를 금형에 적용하여야 하므로써 생산성이 저하되고 원가가 상승하는 문제가 있었다.In the injection molding operation of the guide member 8, since the lower end side thereof is opened in the axial direction and the cylindrical shape of the inlet through which the driver at the upper end enters is opened in the vertical direction, productivity is reduced by applying the slide core to the mold. There was a problem of rising costs.

이에 본 발명은 상기한 점을 감안하여 제안한 것으로 그의 목적으로 하는 것 은Accordingly, the present invention has been made in view of the above-described points, and its object is to

광축의 조정을 행하는 에이밍 작업이 쉽고, 조립구조가 단순하여 재료와 공정이 축소되는 에이밍 장치를 구비한 자동차용 전조등 장치를 제공하는 데 있다.It is an object of the present invention to provide a headlamp device for an automobile having an aiming device for easily adjusting an optical axis, and having a simple assembly structure to reduce materials and processes.

상기한 목적을 달성하기 위하여 본 발명은The present invention to achieve the above object

램프바디 상부측에 볼축을 통해 움직임이 허용되도록 장착되는 리플렉터와, 그 리플렉터와 로크너트를 통해 나사결합되어 리플렉터를 전후 또는 좌우로 움직여 경사각을 조정하는 나사축과, 그 나사축을 회전시키도록 일체로 된 왕관기어 및 상기 왕관기어로 십자 드라이버의 삽입을 안내하는 가이드부재를 포함하여 구성되는 에이밍 장치를 구비한 자동차용 전조등 장치에 있어서,A reflector mounted on the upper side of the lamp body to allow movement through the ball shaft, a screw shaft that is screwed through the reflector and the lock nut to move the reflector back and forth or left and right to adjust the inclination angle, and integrally to rotate the screw shaft. In the headlight device for a vehicle having an aiming device comprising a crown gear and a guide member for guiding the insertion of the Phillips screwdriver into the crown gear,

상기 나사축의 왕관기어가 장착된 단부에는 십자 드라이버 홈을 가지는 에이밍 볼트 머리가 형성되며, 상기 가이드부재는 상기 램프바디에의 접속면이 완전 개방된 형상으로서 상기 나사축을 포함하는 에이밍 볼트에 의해 램프바디에 체결고정되는 것을 특징으로 한다.An end of the screw shaft is mounted to the end of the crown gear is provided with an aiming bolt head having a Phillips-head screwdriver groove, the guide member is formed by the aiming bolt including the screw shaft in a shape that the connection surface to the lamp body is completely open. It is characterized in that the fastening to the lamp body.

이하에 본 발명의 구성을 첨부한 도면을 참조하여 설명한다.The configuration of the present invention will be described below with reference to the accompanying drawings.

도 1은 본 발명에 의한 자동차용 전조등 장치의 에이밍 장치의 조립구조를 나타낸 외부 사시도면이며, 도 2는 본 발명의 에이밍 장치의 부품 분해도이다. 그리고 도 3은 도 1의 A-A 단면도이며, 도 4는 본 발명의 에이밍 장치의 정단면도이다.1 is an external perspective view showing the assembling structure of the aming apparatus of the headlight device for automobiles according to the present invention, Figure 2 is an exploded view of parts of the aming apparatus of the present invention. 3 is a cross-sectional view taken along line A-A of FIG. 1, and FIG. 4 is a front sectional view of the aming apparatus of the present invention.

본 발명의 설명에 있어서 자동차 전조등 장치의 공통된 구성은 도 5의 종래 기술을 참조하는 것으로 대신하였다.In the description of the present invention, a common configuration of the automotive headlight device is replaced by referring to the prior art of FIG.

도면중 부호 10은 본 발명의 에이밍볼트로서, 나사축(6)과, 그 나사축(6) 후단에 일체로 된 왕관기어(5) 및 톱니이빨을 가진 그 왕관기어(5) 배면에 돌출되어 형성된 에이밍용 볼트머리(11)와, 그 볼트머리(11)에 형성한 에이밍작업을 위한 십자드라이버홈(12)으로 구성되어 있다.In the figure, reference numeral 10 denotes an aiming bolt of the present invention, which protrudes on the back of the screw shaft 6, the crown gear 5 integrally formed at the rear end of the screw shaft 6, and the crown gear 5 having tooth teeth. It is composed of a bolt head 11 for the amming formed, and a cross-driver groove 12 for the amming work formed in the bolt head 11.

그리고 부호 13은 가이드부재로서, 램프바디(1)에 접하는 일측이 완전개방된 개방부(14)로 되어있고, 반원통상의 가이드부(15)에는 드라이버(D)의 삽입공(16)이 형성되며, 램프바디(1)측에의 원통지지면(17)과 왕관기어(5)의 내측면(18)에의 지지부(19)가 돌출 형성되어 있다.Reference numeral 13 denotes a guide member, which has an open portion 14 in which one side in contact with the lamp body 1 is completely open, and the insertion hole 16 of the driver D is formed in the semi-cylindrical guide portion 15. The cylindrical support surface 17 on the lamp body 1 side and the support portion 19 on the inner surface 18 of the crown gear 5 protrude.

이와같은 구성의 본 발명은 에이밍볼트(10)를 램프바디(1)의 하우징(1a)의 접속구멍(20)을 통해 끼워 로크너트(7)에 체결하기 전에 먼저, 가이드부재(13)를 램프바디(1)에 밀착시킨 후 에이밍볼트(10)를 십자드라이버를 사용하여 로크너트(7)에 일차로 조여붙여 체결하게 되므로써, 가이드부재(13)가 별도의 체결고정구에 의해 장착되지 아니하고 에이밍볼트(10) 체결에 의해 고정되는 것이다.According to the present invention having such a configuration, the guide member 13 is first attached to the lock bolt 7 before the arming bolt 10 is inserted through the connection hole 20 of the housing 1a of the lamp body 1. After the tight contact with the lamp body (1) and tightening the locking bolt (10) to the lock nut (7) by using a Phillips screwdriver first, the guide member 13 is not mounted by a separate fastening fixture It is fixed by the fastening bolting 10.

이와같이 하여 램프 조립체가 완성되면 단품제작 업체에서 먼저 드라이버(D)를 에이밍볼트(10)의 볼트머리(11)의 십자드라이버홈(12)에 대고 정방향, 또는 역방향으로 회전시키게 되면, 로크너트(7)가 나사축(10)을 따라 축방향으로 이동하게 되며, 이로써 도 4에 도시하는 것과 같이 리플렉터(2)가 점선도시와 같이 움직여 그의 경사각이 조정되는 것이다.When the lamp assembly is completed in this way, when a single part manufacturer first rotates the driver D to the Phillips screwdriver groove 12 of the bolt head 11 of the aiming bolt 10 in the forward or reverse direction, the lock nut ( 7) moves in the axial direction along the screw shaft 10, whereby the reflector 2 moves as shown in the dotted line, as shown in FIG.

다음에 램프단품 조립체는 완성차 조립라인 업체에 보내져 차량에 조립되며, 이후의 에이밍 작업은 가이드부재(13)의 상부를 통해 드라이버(D)를 밀어넣어 드라이버 선단의 요철부위가 왕관기어(5)의 이빨과 맞물리게 되는 것을 이용하여 드라이버를 좌 또는 우측으로 회전시키게 되면 왕관기어(5)가 회전되며, 이에따라 나사축(6)이 회전하면 로크너트(7)가 축방향으로 움직여 리플렉터(2)의 경사각을 변경시켜 빛의 촛점을 조정하게 되는 것이다.Then, the lamp unit assembly is sent to the vehicle assembly line company to be assembled to the vehicle, and subsequent amming work pushes the driver D through the upper portion of the guide member 13 so that the uneven portion of the driver tip is the crown gear (5). When the screwdriver is rotated to the left or right by using the teeth of the screw, the crown gear 5 rotates. Accordingly, when the screw shaft 6 rotates, the lock nut 7 moves in the axial direction so that the reflector 2 By changing the angle of inclination, the focus of the light is adjusted.

이상과 같은 본 발명은 에이밍 볼트를 이용하여 가이드부재를 램프바디에 고정하게 되므로, 종래와 달리 별도의 조립고정 구조를 요하지 않게 되어 부품이 감소되고 조립공정이 간소화되어 재료비가 절감되고 조립제작비용이 감소되며, 가이드부재를 한 방향으로 사출성형하는 것이 가능하여 금형 구조가 단순화되어 개발비가 절감되며, 단품의 조립 후 에이밍 작업을 실시할 수 있어 효율적이다.As described above, the present invention fixes the guide member to the lamp body by using the bolting bolt, which does not require a separate assembly fixing structure unlike the conventional art, thereby reducing parts and simplifying the assembly process, thereby reducing material costs and manufacturing costs. It is reduced, it is possible to injection molding the guide member in one direction, the mold structure is simplified to reduce the development cost, and can be carried out after assembling of a single piece is efficient.

Claims (1)

램프바디 상부측에 볼축을 통해 움직임이 허용되도록 장착되는 리플렉터와, 그 리플렉터와 로크너트를 통해 나사결합되어 리플렉터를 전후 또는 좌우로 움직여 경사각을 조정하는 나사축과, 그 나사축을 회전시키도록 일체로 된 왕관기어 및 상기 왕관기어로 십자 드라이버의 삽입을 안내하는 가이드부재를 포함하여 구성되는 에이밍 장치를 구비한 자동차용 전조등 장치에 있어서,A reflector mounted on the upper side of the lamp body to allow movement through the ball shaft, a screw shaft that is screwed through the reflector and the lock nut to move the reflector back and forth or left and right to adjust the inclination angle, and integrally to rotate the screw shaft. In the headlight device for a vehicle having an aiming device comprising a crown gear and a guide member for guiding the insertion of the Phillips screwdriver into the crown gear, 상기 나사축의 왕관기어가 장착된 단부에는 십자 드라이버 홈을 가지는 에이밍 볼트 머리가 형성되며, 상기 가이드부재는 상기 램프바디에의 접속면이 완전 개방된 형상으로서 상기 나사축을 포함하는 에이밍 볼트에 의해 램프바디에 체결고정되는 것을 특징으로 하는 에이밍 장치를 구비한 자동차용 전조등 장치.An end of the screw shaft is mounted to the end of the crown gear is provided with an aiming bolt head having a Phillips-head screwdriver groove, the guide member is formed by the aiming bolt including the screw shaft in a shape that the connection surface to the lamp body is completely open. Automotive headlight device having an aiming device, characterized in that fastening and fixing to the lamp body.
KR1020050095306A 2005-10-11 2005-10-11 Head lamp mounted the aiming apparatus KR20070040038A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101369473B1 (en) * 2012-08-09 2014-03-06 현대모비스 주식회사 Aiming adjusting device of head lamp
KR101375130B1 (en) * 2013-04-26 2014-03-17 주식회사 신양정밀 Aiming bolt of head lamp for vehicle and manufacturing method thereof
ITUB20156307A1 (en) * 2015-12-04 2017-06-04 Automotive Lighting Italia Spa ADJUSTABLE LIGHTING DEVICE FOR VEHICLES

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101369473B1 (en) * 2012-08-09 2014-03-06 현대모비스 주식회사 Aiming adjusting device of head lamp
KR101375130B1 (en) * 2013-04-26 2014-03-17 주식회사 신양정밀 Aiming bolt of head lamp for vehicle and manufacturing method thereof
ITUB20156307A1 (en) * 2015-12-04 2017-06-04 Automotive Lighting Italia Spa ADJUSTABLE LIGHTING DEVICE FOR VEHICLES
EP3176034A1 (en) * 2015-12-04 2017-06-07 Automotive Lighting Italia S.p.A. Adjustable lighting device for vehicles

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