EP0268949A1 - Reflector for a motor vehicle having a modified fitting - Google Patents

Reflector for a motor vehicle having a modified fitting Download PDF

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Publication number
EP0268949A1
EP0268949A1 EP87116750A EP87116750A EP0268949A1 EP 0268949 A1 EP0268949 A1 EP 0268949A1 EP 87116750 A EP87116750 A EP 87116750A EP 87116750 A EP87116750 A EP 87116750A EP 0268949 A1 EP0268949 A1 EP 0268949A1
Authority
EP
European Patent Office
Prior art keywords
reflector
piece
fastening
rails
quadric
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.)
Granted
Application number
EP87116750A
Other languages
German (de)
French (fr)
Other versions
EP0268949B2 (en
EP0268949B1 (en
Inventor
Lucien Blancheton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Vision SAS
Original Assignee
Neiman SA
Valeo Vision SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9341279&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0268949(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Neiman SA, Valeo Vision SAS filed Critical Neiman SA
Publication of EP0268949A1 publication Critical patent/EP0268949A1/en
Application granted granted Critical
Publication of EP0268949B1 publication Critical patent/EP0268949B1/en
Publication of EP0268949B2 publication Critical patent/EP0268949B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/50—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • F21S41/55—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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/39—Attachment thereof

Definitions

  • the present invention relates to a reflector for motor vehicles with improved fastening of the type which contains fastening or adjusting elements which are formed from a single piece with the reflector, and outside the jacket of the useful reflection quadric.
  • Quadric here means a quadrangle, in particular a rectangle, the surface of which is curved.
  • the present invention has the purpose of eliminating these disadvantages of the known reflectors.
  • the reflector according to this invention is characterized in that the truncation planes of the reflector quadrilateral are extended at the interfaces by rails, the thickness of which essentially corresponds to that of the truncation planes, and each pair of which is a support angle for one with the reflector and the aforementioned rails Form a piece of shaped fastening or adjusting element.
  • the reflector consists of a reflector quadric 1, generally a paraboloid of revolution, delimited by two upper truncation planes 2 and two lateral truncation planes 3.
  • the blunting levels 2 and 3 are extended on both sides by a rail 4, two of these rails 4 at each angle of the Quadrik 1 form an angle piece 5, which extends two adjacent truncation planes 2 and 3 and has essentially the same thickness as these truncation planes.
  • an angle piece 5 carries a fastening and / or adjustment bushing 6, which is formed in one piece with the quadric 1, the truncation planes 2, 3 and the rails 4. Shaping by means of sliders according to the arrows enables such a one-piece production.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Aerials With Secondary Devices (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

1. A reflector for motor vehicles which comprises a means of attachment of the kind which comprises attaching or installing elements, which are formed in one piece with the reflector, and are arranged outside the surface of the reflector quadric, characterized in that the truncated pieces (2, 3) of the reflector quadric (1) are prolonged at the edges which form interfaces with each other by means of bars (4), the thickness of which is substantially equal to that of the truncated pieces (2, 3), and each pair of which form a corner piece (5) to support an attaching or installing element (6), which is itself formed in one piece with the reflector (1, 2, 3) and the abovementioned bars (4).

Description

Vorliegende Erfindung betrifft einen Reflektor für Kraftfahr­zeug mit verbesserter Befestigung von der Art, die Befesti­gungs- oder Einstellelemente enthält, welche aus einem einzi­gen Stück mit dem Reflektor geformt sind, und außerhalb des Mantels der Nutzreflexionsquadrik. Unter Quadrik wird hier ein Viereck, insbesondere ein Rechteck verstanden, dessen Fläche gewölbt ist.The present invention relates to a reflector for motor vehicles with improved fastening of the type which contains fastening or adjusting elements which are formed from a single piece with the reflector, and outside the jacket of the useful reflection quadric. Quadric here means a quadrangle, in particular a rectangle, the surface of which is curved.

Insbesondere im Falle von Reflektoren aus Thermoplastmaterial bewirken Befestigungs- oder Einstellelemente, wenn sie mit dem Reflektor geformt werden, Preßfehler am Reflektor, die die optische Qualität seiner Innenfläche beeinträchtigen und die insbesondere auf die Volumenminderung des Materials bei jeder Querschnittsänderung zurückzuführen sind.Particularly in the case of reflectors made of thermoplastic material, fastening or adjusting elements, if they are formed with the reflector, cause pressing errors on the reflector, which impair the optical quality of its inner surface and which can be attributed in particular to the volume reduction of the material with each change in cross-section.

Im französischen Patent No. 2533297 wurde im Hinblick auf Reflektoren aus Duroplast vorgeschlagen, die Außenfläche des Reflektorparaboloids mit vorstehenden Rippen zu versehen, an deren Schnittpunkten Befestigungsbuchsen angebracht sind. Diese Technik, die bei Thermoplasten mit ihrer geringen Volu­ menschrumpfung möglich ist, macht die Formen weit komplizier­ter und bringt zusätzliche Werkstoffkosten mit sich.In French Patent No. With regard to reflectors made of duroplastic, 2533297 has been proposed to provide the outer surface of the reflector paraboloid with projecting ribs, at the intersection points of which fastening bushings are attached. This technology, which is used for thermoplastics with their low volume human shrinkage is possible, makes the shapes far more complicated and involves additional material costs.

Ebenfalls vorgeschlagen wurde eine Befestigung an der Außen­fläche des Paraboloids entweder durch Absätze in der opti­schen Oberfläche (französisches Patent No. 2217633) oder durch eine zweiteilige Ausführung des Paraboloids (französi­sches Patent No. 2242638). Diese Lösungen komplizieren die Werkzeuge und den Zusammenbau und erlauben außerdem keine optimale Nutzung des Reflektorparaboloids.An attachment to the outer surface of the paraboloid was also proposed, either by means of shoulders in the optical surface (French patent No. 2217633) or by a two-part design of the paraboloid (French patent No. 2242638). These solutions complicate the tools and the assembly and also do not allow optimal use of the reflector paraboloid.

Vorliegende Erfindung hat den Zweck, diese Nachteile der be­kannten Reflektoren zu beseitigen.The present invention has the purpose of eliminating these disadvantages of the known reflectors.

Zu diesem Zweck ist der Reflektor gemäß dieser Erfindung da­durch gekennzeichnet, daß die Abstumpfungsebenen der Reflek­torquadrik an den Schnittstellen durch Schienen verlängert sind, deren Dicke im wesentlichen der der Abstumpfungsebenen entsprechen und die jeweils paarweise einen Stützwinkel für ein mit dem Reflektor und den genannten Schienen aus einem Stück geformtes Befestigungs- oder Einstellelement bilden.For this purpose, the reflector according to this invention is characterized in that the truncation planes of the reflector quadrilateral are extended at the interfaces by rails, the thickness of which essentially corresponds to that of the truncation planes, and each pair of which is a support angle for one with the reflector and the aforementioned rails Form a piece of shaped fastening or adjusting element.

Die Erfindung wird gut verständlich beim Lesen der nachfol­genden Beschreibung, in der auf die beigefügte Zeichnung Bezug genommen wird, deren einzige Abbildung eine perspekti­vische Schemaansicht der Rückseite eines Reflektors nach einem Ausführungsbeispiel der Erfindung darstellt.The invention can be easily understood by reading the following description, in which reference is made to the accompanying drawing, the sole illustration of which represents a perspective schematic view of the rear of a reflector according to an exemplary embodiment of the invention.

Der Reflektor besteht aus einer Reflektorquadrik 1, im allge­meinen einem Umdrehungsparaboloid, begrenzt durch zwei obere Abstumpfungsebenen 2 und zwei seitliche Abstumpfungsebenen 3.The reflector consists of a reflector quadric 1, generally a paraboloid of revolution, delimited by two upper truncation planes 2 and two lateral truncation planes 3.

Entsprechend der Erfindung sind die Abstumpfungsebenen 2 und 3 auf beiden Seiten jeweils durch eine Schiene 4 verlängert, wobei jeweils zwei dieser Schienen 4 an jedem Winkel der Quadrik 1 ein Winkelstück 5 bilden, welches zwei aneinander angrenzende Abstumpfungsebenen 2 und 3 verlängert und im wesentlichen die gleiche Dicke aufweist wie diese Abstump­fungsebenen.According to the invention, the blunting levels 2 and 3 are extended on both sides by a rail 4, two of these rails 4 at each angle of the Quadrik 1 form an angle piece 5, which extends two adjacent truncation planes 2 and 3 and has essentially the same thickness as these truncation planes.

In jeder Ecke trägt ein Winkelstück 5 eine mit der Quadrik 1, den Abstumpfungsebenen 2, 3 und den Schienen 4 aus einem Stück geformte Befestigungs- und/oder Einstellbuchse 6. Eine Ausformung durch Schieber gemäß den Pfeilen ermöglicht eine solche Herstellung aus einem Stück.In each corner, an angle piece 5 carries a fastening and / or adjustment bushing 6, which is formed in one piece with the quadric 1, the truncation planes 2, 3 and the rails 4. Shaping by means of sliders according to the arrows enables such a one-piece production.

Es ist offensichtlich, daß die Erfindung ebenfalls auf einen Reflektor anwendbar ist, der aus mehreren Reflektorquadriken besteht.It is obvious that the invention is also applicable to a reflector which consists of several reflector quadrics.

Claims (4)

1. - Reflektor für Kraftfahrzeug mit verbesserter Befestigung von der Art, die aus einem Stück mit dem Reflektor geformte und außerhalb des Mantels der Nutzreflexionsquadrik angeord­nete Befestigungs- oder Einstellelemente enthält, dadurch gekennzeichnet, daß die Abstumpfungsebenen (2,3) der Reflek­torquadrik (1) an den Schnittstellen durch Schienen (4) ver­längert sind, deren Dicke im wesentlichen gleich derjenigen der Abstumpfungsebenen (2,3) ist und von denen jeweils zwei ein Winkelstück (5) zur Abstützung eines Befestigungs- oder Einstellelements (6) bilden, welches aus einem stück mit dem Reflektor (1,2,3) und den genannten Schienen (4) geformt ist.1. - reflector for motor vehicles with improved fastening of the type which comprises fastening or adjusting elements which are formed from one piece with the reflector and are arranged outside the jacket of the useful reflection quadrant, characterized in that the truncation planes (2, 3) of the reflector quadric (1) are extended at the interfaces by rails (4), the thickness of which is substantially equal to that of the truncation planes (2, 3) and of which two each form an angle piece (5) for supporting a fastening or adjusting element (6) which consists of a piece with the reflector (1,2,3) and said rails (4) is formed. 2. - Reflektor gemäß Anspruch 1, dadurch gekennzeichnet, daß die Befestigungs- oder Einstellelemente Buchsen (6) enthal­ten.2. - Reflector according to claim 1, characterized in that the fastening or adjusting elements contain bushings (6). 3. - Reflektor gemäß einem der Ansprüche 1 und 2, dadurch ge­kennzeichnet, daß er aus mehreren Reflektorquadriken besteht, die mit Schienen (4) - zur Abstützung des Befestigungs- oder Einstellelements (6) - versehen sind und die Abstumpfungsebe­nen (2,3) derselben verlängern.3. - Reflector according to one of claims 1 and 2, characterized in that it consists of several reflector quadrics, which are provided with rails (4) - for supporting the fastening or adjusting element (6) - and the truncation planes (2, 3) extend the same. 4. - Reflektor gemäß einem der Ansprüche 1 bis 3, dadurch ge­kennzeichnet, daß er aus einem einzigen Stück in einem Form­werkzeug mit Schieberausformung hergestellt wird.4. - Reflector according to one of claims 1 to 3, characterized in that it is produced from a single piece in a molding tool with slide molding.
EP87116750A 1986-11-27 1987-11-13 Reflector for a motor vehicle having a modified fitting Expired - Lifetime EP0268949B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8616550 1986-11-27
FR8616550A FR2607576B1 (en) 1986-11-27 1986-11-27 REFLECTOR FOR A MOTOR VEHICLE WITH IMPROVED FASTENING

Publications (3)

Publication Number Publication Date
EP0268949A1 true EP0268949A1 (en) 1988-06-01
EP0268949B1 EP0268949B1 (en) 1989-11-02
EP0268949B2 EP0268949B2 (en) 1992-12-09

Family

ID=9341279

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87116750A Expired - Lifetime EP0268949B2 (en) 1986-11-27 1987-11-13 Reflector for a motor vehicle having a modified fitting

Country Status (4)

Country Link
EP (1) EP0268949B2 (en)
DE (1) DE3760917D1 (en)
ES (1) ES2011290T5 (en)
FR (1) FR2607576B1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2217633A1 (en) 1973-02-15 1974-09-06 Ducellier & Cie
FR2242638A1 (en) 1973-09-04 1975-03-28 Sev Marchal Motor vehicle headlamp reflector - is two separately cast parts of different plastics, the rear unit being heat-resistant polysulphone
FR2320210A2 (en) * 1975-08-07 1977-03-04 Cibie Projecteurs Head lamp and indicator lamp unit - has fixing method with indicator lamp housed in outer shell of headlamp
GB2034110A (en) * 1978-10-30 1980-05-29 Gte Sylvania Inc Headlight having metallized reflector coating
US4240131A (en) * 1979-03-14 1980-12-16 Minnesota Mining And Manufacturing Company Sealed lighting element assembly
FR2533297A1 (en) 1982-09-22 1984-03-23 Cibie Projecteurs Reflector for car headlamp

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2217633A1 (en) 1973-02-15 1974-09-06 Ducellier & Cie
FR2242638A1 (en) 1973-09-04 1975-03-28 Sev Marchal Motor vehicle headlamp reflector - is two separately cast parts of different plastics, the rear unit being heat-resistant polysulphone
FR2320210A2 (en) * 1975-08-07 1977-03-04 Cibie Projecteurs Head lamp and indicator lamp unit - has fixing method with indicator lamp housed in outer shell of headlamp
GB2034110A (en) * 1978-10-30 1980-05-29 Gte Sylvania Inc Headlight having metallized reflector coating
US4240131A (en) * 1979-03-14 1980-12-16 Minnesota Mining And Manufacturing Company Sealed lighting element assembly
FR2533297A1 (en) 1982-09-22 1984-03-23 Cibie Projecteurs Reflector for car headlamp

Also Published As

Publication number Publication date
ES2011290T5 (en) 1995-08-01
FR2607576A1 (en) 1988-06-03
EP0268949B2 (en) 1992-12-09
FR2607576B1 (en) 1989-02-17
DE3760917D1 (en) 1989-12-07
ES2011290B3 (en) 1990-01-01
EP0268949B1 (en) 1989-11-02

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