EP0578552B1 - Vehicular headlamps having an orientable reflector - Google Patents
Vehicular headlamps having an orientable reflector Download PDFInfo
- Publication number
- EP0578552B1 EP0578552B1 EP93401734A EP93401734A EP0578552B1 EP 0578552 B1 EP0578552 B1 EP 0578552B1 EP 93401734 A EP93401734 A EP 93401734A EP 93401734 A EP93401734 A EP 93401734A EP 0578552 B1 EP0578552 B1 EP 0578552B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflector
- face
- seal
- integral
- lips
- 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.)
- Expired - Lifetime
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/50—Waterproofing
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/29—Attachment thereof
-
- 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
Definitions
- the present invention generally relates to headlamps in particular for motor vehicles, of the "optical unit” type, comprising an orientable reflector pivotally assembled on a support part mounted on a closing glass, and sealing means arranged between the reflector and said support part.
- European patent EP 0 224 739 discloses a projector of this type according to the preamble of claim 1, comprising a reflector connected to an annular support by two pivoting bearings and able to pivot by means of an adjustment device around an axis of horizontal pivoting in the mounting position of the projector.
- Said annular support is closed towards the exit of the light by a closing glass and has a part turned towards the reflector, facing a part of the reflector by covering it, an annular seal being disposed between said parts.
- the overlapping surfaces have a generally cylindrical shape of revolution or not from their respective edge so as to allow, when mounting the projector or else during the orientation by pivoting of the reflector, a rolling movement of the annular seal. sealing between said surfaces. It should be noted that the gap between the two overlapping surfaces has a width slightly less than the diameter of the section of the annular seal so that said slightly crushed seal remains in contact with the two surfaces during its movement. rolling.
- FR-A-1 235 402 also discloses a projector in which a joint with several lips establishes a seal between two parallel and fixed surfaces with respect to one another.
- the present invention aims to take advantage in a different way of such a seal with several lips to solve the aforementioned problem due to the mobility of surfaces.
- the present invention provides a headlamp in particular for a motor vehicle as defined in claim 1.
- the interval between the two facing surfaces is such that when the projector is mounted, the lips of said seal are slightly compressed. Therefore, when orienting the reflector, one of the lips extends radially while the other is compressed so as to allow the angular offset of one of said faces relative to the other and the sliding of the other face, and maintain the seal between said reflector and the support part.
- a projector 100 of the type "optical unit” in particular for a motor vehicle comprising a reflector 110 of optical axis X-X 'carrying a lamp 120 fixed in a socket 121 placed at the bottom of said reflector.
- This reflector 110 is assembled with a support part 130, itself connected to a closing glass 160 by means of an intermediate piece 150.
- said reflector comprises two lateral holding fingers 111 which are capable of sliding in lateral slides 131 of said support part 130.
- the two slides 131 advantageously have a profile in an arc of a circle, the centers of curvature of the arcs of a circle defining a horizontal axis Y-Y ', crossing the optical axis XX' perpendicular to it.
- the reflector guided by the slides, can tilt by pivoting about the axis Y-Y 'to perform a beam adjustment in elevation.
- the headlight 100 includes a peripheral elastic seal 140 here of essentially cylindrical shape and disposed between a solid face 112 of the reflector 110 and a solid face 132 of the support part 130 opposite one of the other, and whose normals N 1 , N 2 are essentially perpendicular to the optical axis XX ′.
- This cylindrical seal 140 is fixed relative to one of the faces, here the integral face 112 of the reflector 110, and comprises, as best shown in Figure 3, on an outer surface 142 in contact with the second opposite face, here the face 132 of the support part 130, three elastic lips 142a, 142b, 142c, allowing an angular offset of one of the faces with respect to the other and a sliding in a direction substantially parallel to the optical axis XX 'of the second face relative to that which pivots, caused by the changes in orientation of the reflector 110.
- the inner surface 141 of said seal 140 opposite said outer surface 142 carrying said lips 142a, 142b, 142c is a substantially cylindrical surface.
- the elastic lips are distributed regularly over said radial surface 142 of said seal. More particularly, in FIG. 3 there are two elastic lips 142a, 142c adjacent to the lateral edges 140a, 140b, of said seal and a central lip 142b.
- the seal 140 is positioned so that its substantially planar inner surface is in contact with said reflector 110, that one of its side edges 140b is wedged against a stop 113 provided on the integral face 112 of the reflector 110, the external surface 142 carrying said lips 142a, 142b, 142c being in contact with the integral face 132 of the support part 130.
- the pivoting of the reflector 110 around the axis YY ' causes an angular offset of the optical axis XX' of said reflector 110 relative to an axis substantially perpendicular to the closing glass 160.
- the reflector 110 is oriented in such a way that its optical axis XX ′ has an angular offset ⁇ 1 equal to approximately -5 degrees relative to the axis ⁇ .
- the upper part of the reflector 110 and of the seal 140 have slid slightly forward relative to the adjacent part of the support 130, while in the lower region, a rearward sliding s 'is produced relative to its position shown in Figure 4, in which the reflector is oriented so that its optical axis XX' is coincident with the axis ⁇ .
- the lip 142c of said seal adjacent to the edge 140b in contact with the stop 113 has compressed radially at the top and relaxed radially at the bottom while the lip 142a of said seal adjacent to the outer edge 140a facing the closing glass 160 has relaxed, at the top and compressed at the bottom and this way the joint maintains the seal between the two parts.
- the reflector 110 is oriented in such a way that its optical axis XX ′ has an angular offset ⁇ 2 equal to approximately + 5 degrees relative to the axis ⁇ .
- ⁇ 2 angular offset
- the lips 142a and 142c behave in the opposite way to that illustrated in FIG. 5, and here again the seal 140 maintains the seal between the two parts.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
La présente invention concerne de manière générale les projecteurs notamment pour véhicules automobiles, du type "bloc optique", comprenant un réflecteur orientable assemblé de manière pivotante sur une partie de support montée sur une glace de fermeture, et des moyens d'étanchéité disposés entre le réflecteur et ladite partie de support.The present invention generally relates to headlamps in particular for motor vehicles, of the "optical unit" type, comprising an orientable reflector pivotally assembled on a support part mounted on a closing glass, and sealing means arranged between the reflector and said support part.
On connaît du brevet européen EP 0 224 739, un projecteur de ce type selon le préambule de la revendication 1, comportant un réflecteur relié à un support annulaire par deux paliers pivotants et pouvant pivoter grâce à un dispositif de réglage autour d'un axe de pivotement horizontal dans la position de montage du projecteur. Ledit support annulaire est fermé vers la sortie de la lumière par une glace de fermeture et présente une partie tournée vers le réflecteur, faisant face à une partie du réflecteur en la recouvrant, un joint annulaire d'étanchéité étant disposé entre lesdites parties. Les surfaces en recouvrement présentent une forme généralement cylindrique de révolution ou non à partir de leur bord respectif de manière à permettre, lors du montage du projecteur ou bien lors de l'orientation par pivotement du réflecteur, un mouvement de roulement du joint annulaire d'étanchéité entre lesdites surfaces. Il convient de préciser que l'intervalle entre les deux surfaces en recouvrement a une largeur légèrement inférieure au diamètre de la section du joint annulaire d'étanchéité de manière à ce que ledit joint légèrement écrasé reste au contact des deux surfaces lors de son mouvement de roulement.European patent EP 0 224 739 discloses a projector of this type according to the preamble of claim 1, comprising a reflector connected to an annular support by two pivoting bearings and able to pivot by means of an adjustment device around an axis of horizontal pivoting in the mounting position of the projector. Said annular support is closed towards the exit of the light by a closing glass and has a part turned towards the reflector, facing a part of the reflector by covering it, an annular seal being disposed between said parts. The overlapping surfaces have a generally cylindrical shape of revolution or not from their respective edge so as to allow, when mounting the projector or else during the orientation by pivoting of the reflector, a rolling movement of the annular seal. sealing between said surfaces. It should be noted that the gap between the two overlapping surfaces has a width slightly less than the diameter of the section of the annular seal so that said slightly crushed seal remains in contact with the two surfaces during its movement. rolling.
L'inconvénient majeur de ce projecteur type "bloc optique" connu est que le joint annulaire d'étanchéité constitué par un matériau souple, s'use facilement en roulant entre lesdites parties en regard, lors des orientations successives du réflecteur ou des différents montages/démontages du projecteur, et peut perdre assez rapidement ses qualités d'étanchéité.The major drawback of this known “optical block” type headlight is that the annular seal made of a flexible material easily wears off when rolling between said facing parts, during the successive orientations of the reflector or of the various assemblies / disassembly of the projector, and can lose its sealing qualities fairly quickly.
Un autre inconvénient réside en ce que le roulement du joint amène une indétermination de sa position aussi bien lors du montage qu'en fonctionnement, et induit dans celui-ci des torsions parasites. Il en résulte là encore des problèmes d'étanchéité.Another drawback lies in that the rolling of the seal leads to an indeterminacy of its position both during assembly and in operation, and induces parasitic twists in the latter. This again results in sealing problems.
On connaît également par FR-A-1 235 402 un projecteur dans lequel un joint à plusieurs lèvres établit une étanchéité entre deux surfaces parallèles et fixes l'une par rapport à l'autre.FR-A-1 235 402 also discloses a projector in which a joint with several lips establishes a seal between two parallel and fixed surfaces with respect to one another.
La présente invention vise à tirer parti d'une manière différente d'un tel joint à plusieurs lèvres pour résoudre le problème précité dû à la mobilité des surfaces.The present invention aims to take advantage in a different way of such a seal with several lips to solve the aforementioned problem due to the mobility of surfaces.
Ainsi la présente invention propose un projecteur notamment pour véhicule automobile tel que défini dans la revendication 1.Thus the present invention provides a headlamp in particular for a motor vehicle as defined in claim 1.
Ainsi, selon l'invention, l'intervalle entre les deux surfaces en regard est tel que lors du montage du projecteur des lèvres dudit joint sont légèrement comprimées. De ce fait, lorsqu'on oriente le réflecteur, une des lèvres s'étend radialement alors que l'autre se comprime de manière à permettre le décalage angulaire d'une desdites faces par rapport à l'autre et le glissement de l'autre face, et maintenir l'étanchéité entre ledit réflecteur et la partie de support.Thus, according to the invention, the interval between the two facing surfaces is such that when the projector is mounted, the lips of said seal are slightly compressed. Therefore, when orienting the reflector, one of the lips extends radially while the other is compressed so as to allow the angular offset of one of said faces relative to the other and the sliding of the other face, and maintain the seal between said reflector and the support part.
Des aspects préférés de ce projecteur sont définis dans les sous-revendications.Preferred aspects of this projector are defined in the subclaims.
La description qui va suivre en regard des dessins annexés, donnés à titre d'exemples non limitatifs, fera bien comprendre en quoi consiste l'invention et comment elle peut être réalisée.
- La figure I est une vue en coupe de dessus du projecteur selon l'invention.
- La figure 2 est une vue de face du joint d'étanchéité du projecteur de la figure 1.
- La figure 3 est une vue en coupe selon le plan A-A dudit joint de la figure 2.
- La figure 4 est une vue en coupe de côté du projecteur de la figure 1, le réflecteur présentant une orientation de 0 degré par rapport à un axe perpendiculaire au plan de la glace de fermeture.
- La figure 5 est une vue en coupe de côté du projecteur de la figure 1, le réflecteur présentant une orientation de -5 degrés par rapport à l'axe perpendiculaire au plan de la glace de fermeture.
- La figure 6 est une vue en coupe de côté du projecteur de la figure 1, le réflecteur présentant une orientation de +5 degrés par rapport à l'axe perpendiculaire au plan de la glace de fermeture.
- Figure I is a top sectional view of the projector according to the invention.
- FIG. 2 is a front view of the gasket of the headlight of FIG. 1.
- FIG. 3 is a sectional view along the plane AA of said joint in FIG. 2.
- Figure 4 is a side sectional view of the projector of Figure 1, the reflector having an orientation of 0 degrees relative to an axis perpendicular to the plane of the closing glass.
- Figure 5 is a side sectional view of the projector of Figure 1, the reflector having an orientation of -5 degrees relative to the axis perpendicular to the plane of the closing glass.
- Figure 6 is a side sectional view of the projector of Figure 1, the reflector having an orientation of +5 degrees relative to the axis perpendicular to the plane of the closing glass.
En référence à la figure 1, on a représenté un projecteur 100 du type "bloc optique" notamment pour véhicule automobile, comportant un réflecteur 110 d'axe optique X-X' portant une lampe 120 fixée dans une douille 121 placée au fond dudit réflecteur. Ce réflecteur 110 est assemblé avec une partie de support 130, elle-même raccordée à une glace de fermeture 160 au moyen d'une pièce intermédiaire 150.Referring to Figure 1, there is shown a
Plus particulièrement ledit réflecteur comporte deux doigts latéraux de maintien 111 qui sont aptes à coulisser dans des glissières latérales 131 de ladite partie de support 130. Les deux glissières 131 présentent avantageusement un profil en arc de cercle, les centres de courbure des arcs de cercle définissant un axe horizontal Y-Y', croisant l'axe optique X-X' perpendiculairement à celui-ci. Ainsi, sous l'action d'un dispositif de réglage à vis ou autre, le réflecteur, guidé par les glissières, peut basculer en pivotant autour de l'axe Y-Y' pour effectuer un réglage de faisceau en site. Bien entendu, on peut prévoir également un réglage en azimut.More particularly, said reflector comprises two
D'autre part le projecteur 100 comporte un joint élastique d'étanchéité périphérique 140 ici de forme essentiellement cylindrique et disposé entre une face solidaire 112 du réflecteur 110 et une face solidaire 132 de la partie de support 130 en regard l'une de l'autre, et dont les normales N1,N2 sont essentiellement perpendiculaires à l'axe optique X-X'. Ce joint cylindrique 140 est fixe par rapport à l'une des faces, ici la face solidaire 112 du réflecteur 110, et comporte, comme le montre mieux la figure 3, sur une surface extérieure 142 en contact avec la deuxième face opposée, ici la face 132 de la partie de support 130, trois lèvres élastiques 142a, 142b, 142c, autorisant un décalage angulaire d'une des faces par rapport à l'autre et un glissement suivant une direction sensiblement parallèle à l'axe optique X-X' de la deuxième face par rapport à celle qui pivote, provoqué par les changements d'orientation du réflecteur 110.On the other hand the
De façon préférée, pour optimiser les sollicitations appliquées au joint lors des réglages d'orientation, l'axe de pivotement Y-Y' passe par le plan du joint, comme illustré.Preferably, to optimize the stresses applied to the joint during orientation adjustments, the pivot axis Y-Y 'passes through the plane of the joint, as illustrated.
Comme le montrent les figures 2 et 3, la surface intérieure 141 dudit joint 140 opposée à ladite surface extérieure 142 portant lesdites lèvres 142a, 142b, 142c, est une surface sensiblement cylindrique. Les lèvres élastiques sont réparties régulièrement sur ladite surface radiale 142 dudit joint. Plus particulièrement, on distingue sur la figure 3 deux lèvres élastiques 142a,142c adjacentes aux bords latéraux 140a, 140b, dudit joint et une lèvre centrale 142b.As shown in Figures 2 and 3, the
Par ailleurs, suivant le mode de réalisation présenté sur la figure 1, le joint 140 est positionné de telle sorte que sa surface intérieure sensiblement plane soit au contact dudit réflecteur 110, qu'un de ses bords latéraux 140b soit calé contre une butée 113 prévue sur la face solidaire 112 du réflecteur 110, la surface extérieure 142 portant lesdites lèvres 142a, 142b, 142c étant en contact de la face solidaire 132 de la partie de support 130.Furthermore, according to the embodiment shown in Figure 1, the
Comme le montrent mieux les figures 4, 5 et 6, le pivotement du réflecteur 110 autour de l'axe Y-Y' provoque un décalage angulaire de l'axe optique X-X' dudit réflecteur 110 par rapport à un axe sensiblement perpendiculaire à la glace de fermeture 160.As shown better in FIGS. 4, 5 and 6, the pivoting of the
Comme on peut le voir sur la figure 5, le réflecteur 110 est orienté de telle manière que son axe optique X-X' présente un décalage angulaire Φ1 égal environ à -5 degrés par rapport à l'axe Δ . Comme on peut le voir sur cette figure, la partie supérieure du réflecteur 110 et du joint 140 ont glissé légèrement vers l'avant par rapport à la partie adjacente du support 130, tandis que dans la région inférieure, un glissement vers l'arrière s'est produit par rapport à sa position montrée à la figure 4, dans laquelle le réflecteur est orienté de telle sorte que son axe optique X-X' soit confondu avec l'axe Δ . De plus, la lèvre 142c dudit joint adjacente au bord 140b en contact avec la butée 113 s'est comprimée radialement en haut et détendue radialement en bas alors que la lèvre 142a dudit joint adjacente au bord extérieur 140a tournée vers la glace de fermeture 160 s'est détendue, en haut et comprimée en bas et de cette manière le joint maintient l'étanchéité entre les deux pièces.As can be seen in FIG. 5, the
Sur la figure 6, le réflecteur 110 est orienté de telle manière que son axe optique X-X' présente un décalage angulaire Φ2 égal à environ + 5 degrés par rapport à l'axe Δ. Comme on peut le voir sur cette figure, des gliissements inverses de ceux de la figure 5, se sont produits. De même, les lèvres 142a et 142c se comportent de la façon inverse de celle illustrée sur la figure 5, et là encore le joint 140 maintient l'étanchéité entre les deux pièces.In FIG. 6, the
Claims (6)
- A headlight (100), in particular for a motor vehicle, the headlight including a reflector (110) mounted on a support portion (130), the angular position of said reflector relative to said portion (130) being adjustable by pivoting the reflector about at least one pivot axis (Y-Y') that is transverse to the optical axis (X-X') of the reflector (110), a peripheral resilient seal (140) being disposed between a face (112) integral with the reflector (110) and a face (132) integral with the support portion (130), said faces facing each other and having right profiles with normals (N1, N2) essentially perpendicular to said optical axis (X-X'), said headlight being characterized in that said seal (140) is fixed relative to one of the two faces (112, 132), and, on a surface (142) in contact with the opposite second face (132), said seal is provided with at least two resilient lips (142a, 142c) making it possible for one of the faces to be angularly offset relative to the other, and for the second face to be slid in a direction substantially parallel to the optical axis (X-X') relative to the face that is pivoted, when changing the angular position of the reflector (110).
- A headlight according to claim 1, characterized in that, on said surface (142), the seal (140) is provided with three resilient lips (142a, 142b, 142c) constituted by a central lip (142b) and by two lips (142a, 142c) adjacent to respective side edges (140a, 140b) of said seal (140).
- A headlight according to claim 1 or 2, characterized in that the surface (141) of said seal (140) that faces in the opposite direction from its surface (142) carrying said lips (142a, 142b, 142c) is a substantially plane surface.
- A headlight according to any one of claims 1 to 3, characterized in that said seal (140) is fixed relative to the face (112) integral with the reflector (110), and it is then positioned such that its substantially cylindrical surface (141) is in contact with said reflector (110) and such that one of its side edges (140b) abuts against an abutment (113) provided on the face (112) integral with the reflector (110), the surface (142) carrying the lips (142a, 142b, 142c) being in contact with the face (132) integral with the support portion (130), then making it possible for the face (112) integral with the reflector (110) to be angularly offset relative to the face (132) integral with the support portion (130), and for the face (132) integral with the support portion (130) to be slid relative to the face of the reflector (110), by changing the angular position of the reflector (110).
- A headlight according to any one of claims 1 to 4, characterized in that the pivot axis (Y-Y') lies in a plane of the seal (140).
- A headlight according to any one of claims 1 to 5, characterized in that the pivot axis (Y-Y') is defined by the centers of curvature of at least two circularly arcuate slideways (131) integral with the support portion and receiving fingers (111) integral with the reflector (110).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR929208312A FR2693253B1 (en) | 1992-07-06 | 1992-07-06 | Motor vehicle headlight, comprising an eastern reflector. |
| FR9208312 | 1992-07-06 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0578552A2 EP0578552A2 (en) | 1994-01-12 |
| EP0578552A3 EP0578552A3 (en) | 1994-03-23 |
| EP0578552B1 true EP0578552B1 (en) | 1996-10-02 |
Family
ID=9431583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP93401734A Expired - Lifetime EP0578552B1 (en) | 1992-07-06 | 1993-07-05 | Vehicular headlamps having an orientable reflector |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0578552B1 (en) |
| DE (1) | DE69305114T2 (en) |
| ES (1) | ES2095600T3 (en) |
| FR (1) | FR2693253B1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19519653A1 (en) * | 1995-05-30 | 1996-12-05 | Bosch Gmbh Robert | Lighting device for vehicles |
| DE19519655B4 (en) * | 1995-05-30 | 2010-04-08 | Automotive Lighting Reutlingen Gmbh | Lighting device arranged on a front part of a vehicle |
| DE19643461A1 (en) * | 1996-10-22 | 1998-04-23 | Hella Kg Hueck & Co | Headlights for vehicles |
| SI23213A (en) * | 2009-11-24 | 2011-05-31 | Hella Saturnus Slovenija, Proizvodnja Svetlobne Opreme Za Motorna In Druga Vozila, D.O.O. | Gasket between housing and position-adjustable reflector of motor vehicle illuminant |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1235402A (en) * | 1959-05-25 | 1960-07-08 | Machal Projecteurs | Waterproof headlamp, in particular for motor vehicles |
| FR2445484A1 (en) * | 1978-12-27 | 1980-07-25 | Cibie Projecteurs | IMPROVEMENTS ON MOTOR VEHICLE PROJECTORS |
| IT1221123B (en) * | 1983-06-24 | 1990-06-21 | Limaverne Investment | ADJUSTABLE AND AT LEAST PARTIALLY REMOVABLE HEADLAMP FOR MOTOR VEHICLES |
| DE3542784A1 (en) * | 1985-12-04 | 1987-06-11 | Hella Kg Hueck & Co | HEADLIGHTS FOR MOTOR VEHICLES |
-
1992
- 1992-07-06 FR FR929208312A patent/FR2693253B1/en not_active Expired - Lifetime
-
1993
- 1993-07-05 EP EP93401734A patent/EP0578552B1/en not_active Expired - Lifetime
- 1993-07-05 DE DE69305114T patent/DE69305114T2/en not_active Expired - Lifetime
- 1993-07-05 ES ES93401734T patent/ES2095600T3/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0578552A2 (en) | 1994-01-12 |
| DE69305114D1 (en) | 1996-11-07 |
| DE69305114T2 (en) | 1997-03-13 |
| FR2693253A1 (en) | 1994-01-07 |
| EP0578552A3 (en) | 1994-03-23 |
| FR2693253B1 (en) | 1994-09-30 |
| ES2095600T3 (en) | 1997-02-16 |
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