EP0268949B2 - 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
EP0268949B2
EP0268949B2 EP87116750A EP87116750A EP0268949B2 EP 0268949 B2 EP0268949 B2 EP 0268949B2 EP 87116750 A EP87116750 A EP 87116750A EP 87116750 A EP87116750 A EP 87116750A EP 0268949 B2 EP0268949 B2 EP 0268949B2
Authority
EP
European Patent Office
Prior art keywords
reflector
piece
attaching
bars
pieces
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
Application number
EP87116750A
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German (de)
French (fr)
Other versions
EP0268949A1 (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
Valeo Vision SAS
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Publication date
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Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP0268949A1 publication Critical patent/EP0268949A1/en
Publication of EP0268949B1 publication Critical patent/EP0268949B1/en
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Publication of EP0268949B2 publication Critical patent/EP0268949B2/en
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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 invention relates to a reflector for motor vehicles with a fastening of the type which contains fastening or adjusting elements which are formed in one piece with the reflector and are arranged outside the jacket of the reflector quadrix.
  • Quadric here means a quadrangle, in particular a rectangle, the surface of which is curved.
  • the reflector according to this invention is characterized in that blunt portions of the reflector quadriles are extended at the interfaces by rails, the thickness of which is substantially equal to that of the blunt portions and two of which each form an angle piece for the sole support of a fastening or adjusting element, which is formed from one piece with the reflector and the named rails.
  • the reflector consists of a reflector quadric 1, generally a paraboloid of revolution, delimited by an upper and a lower blunting piece 2 and two lateral blunting pieces 3.
  • the blunting pieces 2 and 3 are each extended on both sides by a rail 4, two of these rails 4 forming an angle piece 5 at each angle of the square 1, which extends two adjacent blunting pieces 2 and 3 and essentially the same Thickness like this has blunting pieces.
  • an angle piece 5 carries a fastening and / or adjusting bushing 6 formed in one piece with the quadric 1, the truncation pieces 2, 3 and the rails 4.
  • slides moved according to the arrows enable such production from a single piece Piece.

Landscapes

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

Description

Beschreibungdescription

Die Erfindung betrifft einen Reflektor für Kraftfahrzeuge mit einer Befestigung von der Art, die Befestigungs- oder Einstellelemente enthält, welche aus einem einzigen Stück mit dem Reflektor geformt sind, und außerhalb des Mantels der Reflectorquadrik angeordnet sind. Unter Quadrik wird hier ein Viereck, insbesondere ein Rechteck verstanden, dessen Fläche gewölbt ist.The invention relates to a reflector for motor vehicles with a fastening of the type which contains fastening or adjusting elements which are formed in one piece with the reflector and are arranged outside the jacket of the reflector quadrix. 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 are in particular due 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 technique, which is possible with thermoplastics with their low volume shrinkage, makes the molds 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. Zu diesem Zweck ist der Reflektor gemäß dieser Erfindung dadurch gekennzeichnet, daß Abstumpfungs tücke der Reflektorquadrile an der Schnittstellen durch Schienen verlängert sind, deren Dicke im wesentlichen gleich derjenigen derAbstumpfungsstücke ist und von denen jeweils zwei ein Winkelstück zur alleinigen Abstützung eines Befestigungs- oder Einstellelements bilden, welches aus einem Stücke mit dem Reflektor und den gennanten Schienen geformt ist.The present invention has the purpose of eliminating these disadvantages of the known reflectors. For this purpose, the reflector according to this invention is characterized in that blunt portions of the reflector quadriles are extended at the interfaces by rails, the thickness of which is substantially equal to that of the blunt portions and two of which each form an angle piece for the sole support of a fastening or adjusting element, which is formed from one piece with the reflector and the named rails.

Die Erfindung wird gut verständlich beim Lesen der nachfolgenden Beschreibung, in der auf die 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 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 ein oberes und ein unteres Abstumpfungsstück 2 und zwei seitliche Abstumpfungsstücke 3.The reflector consists of a reflector quadric 1, generally a paraboloid of revolution, delimited by an upper and a lower blunting piece 2 and two lateral blunting pieces 3.

Entsprechend der Erfindung sind die Abstumpfungsstücke 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 Abstumpfungsstücke 2 und 3 verlängert und im wesentlichen die gleiche Dicke aufweist wie diese Abstumpfungsstücke.According to the invention, the blunting pieces 2 and 3 are each extended on both sides by a rail 4, two of these rails 4 forming an angle piece 5 at each angle of the square 1, which extends two adjacent blunting pieces 2 and 3 and essentially the same Thickness like this has blunting pieces.

In jeder Ecke trägt ein Winkelstück 5 eine mit der Quadrik 1, den Abstumpfungsstücken 2, 3 und den Schienen 4 aus einem Stück geformte Befestigungs-und/oder Einstellbuchse 6. Beim Herausnehmen aus der Form ermöglichen gemäß den Pfeilen bewegte Schieber eine solche Herstellung aus einem Stück.In each corner, an angle piece 5 carries a fastening and / or adjusting bushing 6 formed in one piece with the quadric 1, the truncation pieces 2, 3 and the rails 4. When removed from the mold, slides moved according to the arrows enable such production from a single piece Piece.

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. 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 solely an attaching or installing element (6), which is itself formed in one piece with the reflector (1,2,3) and the above-mentioned bars (4).
2. A reflector according to Claim 1, characterized in that the attaching or installing elements contain bushes (6).
3. A reflector according to one of Claims 1 and 2, characterized in that it consists of several reflector quadrics which are provided with bars (4) - to support attaching or installing elements (6) - which prolong the truncated pieces (2,3) themselves.
4. A process for manufacturing a reflector according to one of Claims 1 to 3, characterized in that the reflector is produced from a single piece in a forming tool with shaping by means of a sliding tool.
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
FR8616550A FR2607576B1 (en) 1986-11-27 1986-11-27 REFLECTOR FOR A MOTOR VEHICLE WITH IMPROVED FASTENING
FR8616550 1986-11-27

Publications (3)

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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2217633B1 (en) 1973-02-15 1977-02-18 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
DE2942371A1 (en) * 1978-10-30 1980-05-14 Gte Sylvania Inc MOTOR VEHICLE HEADLIGHT
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
FR2607576B1 (en) 1989-02-17
EP0268949A1 (en) 1988-06-01
ES2011290T5 (en) 1995-08-01
EP0268949B1 (en) 1989-11-02
DE3760917D1 (en) 1989-12-07
ES2011290B3 (en) 1990-01-01
FR2607576A1 (en) 1988-06-03

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