EP0359040B1 - Befestigung einer Glühlampe in der Öffnung eines Reflektors eines Fahrzeugscheinwerfers - Google Patents

Befestigung einer Glühlampe in der Öffnung eines Reflektors eines Fahrzeugscheinwerfers Download PDF

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Publication number
EP0359040B1
EP0359040B1 EP89116063A EP89116063A EP0359040B1 EP 0359040 B1 EP0359040 B1 EP 0359040B1 EP 89116063 A EP89116063 A EP 89116063A EP 89116063 A EP89116063 A EP 89116063A EP 0359040 B1 EP0359040 B1 EP 0359040B1
Authority
EP
European Patent Office
Prior art keywords
reflector
retaining spring
opening
tongue
lamp
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
EP89116063A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0359040A2 (de
EP0359040A3 (en
Inventor
Reinhold Brummel
Klaus Mohsakowski
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.)
Hella GmbH and Co KGaA
Original Assignee
Hella KGaA Huek and Co
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
Application filed by Hella KGaA Huek and Co filed Critical Hella KGaA Huek and Co
Publication of EP0359040A2 publication Critical patent/EP0359040A2/de
Publication of EP0359040A3 publication Critical patent/EP0359040A3/de
Application granted granted Critical
Publication of EP0359040B1 publication Critical patent/EP0359040B1/de
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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/196—Wire spring attachments

Definitions

  • the retaining spring is made from a sheet metal strip and is inserted on two opposite sides of the opening in an opening of the reflector in a self-locking manner.
  • the retaining spring can be pivoted at one opening and at the other Opening releasably attached.
  • the openings for the fastening of the retaining spring not only reduce the reflective surface of the reflector, but it can also cause the oncoming traffic dazzling stray light from the sections of the retaining spring which protrude into the interior of the reflector.
  • the lacquer protecting against corrosion and the reflective layer of the reflector can be damaged.
  • the distance between the fastening points of the retaining spring is relatively large, so that the retaining spring must be made very rigid so that it presses the base flange of the lamp with a sufficiently large force against the opening edge.
  • tongues of the reflector serve exclusively for fastening a retaining spring of the lamp.
  • the tongues are not cut free from the area of the reflector which is cut out for the passage of the lamp from the reflector, but from the area adjacent to this area. Therefore, the reflector has two additional openings in addition to the opening receiving the lamp.
  • the object of the invention is to design the arrangement described in the preamble of claim 1 for fastening a lamp in the opening of a reflector of a vehicle headlight in such a way that the fastening points for the retaining spring on the reflector lie outside the reflection surface of the reflector and are arranged as close to one another as possible.
  • the attachment points for the retaining spring should be such that when the retaining spring is released and attached, neither the reflection surface of the reflector nor the corrosion protection of the reflector is damaged.
  • This object is achieved according to the invention in that the locking for the Lamp-effecting tongues are designed so long that the tongues have a free end portion serving to fasten the retaining spring, in which undercuts are introduced into which the prestressed ends of the retaining spring engage.
  • the retaining spring is pivotally attached to one tongue and releasably attached to the other. This allows the lamp to be changed easily and quickly. It is also advantageous if the tongue serving for the pivotable fastening of the retaining spring is cut out in a T-shape, the crossbar of the T-shape being the tip of the tongue and the free end portion serving for the pivotable fastening being punched out in a U-shape made of a sheet metal strip is and the legs of the U-shape are rolled transversely to their longitudinal direction to an eyelet, in which the free end portions of the crossbar of the T-shaped tongue are arranged with play.
  • Such a solution is not only simple and very inexpensive to manufacture, but the retaining spring can also be swiveled smoothly even when it is securely attached.
  • the free legs of the U-shape of the retaining spring are rolled up so far that a gap remains that is slightly narrower than the material thickness of the T-shaped tongue. It is important here before the mounting of the retaining spring that the gap is slightly bent so that the crossbar of the T-shaped tongue easily passes through the gap when mounting the retaining spring. After the eyelet is compressed, the retaining spring is securely attached to the reflector.
  • the edge of the opening of the reflector is formed by the bottom of a cup-shaped depression in the reflector which is drawn through to the interior of the reflector.
  • the drawing essentially shows the opening (2) made in the apex area of the reflector (1) for receiving the lamp (3) and the fastening means of the lamp (9).
  • the opening (2) is made in the bottom (4) of a depression (5) of the reflector which is drawn through to the interior of the reflector in the deep-drawing process.
  • the lamp (3) inserted from the rear of the reflector (1) lies with its radially outwardly projecting flange (6) on the edge (7) of the opening (2) of the reflector (1).
  • Two facing tongues (8 and 9) which are shown in broken lines in FIG. 2 of the drawing, are cut out from two opposite edges of the rectangular opening (2).
  • the tongue (8) has on one side edge an undercut (10) formed by its hook-shaped end section, while the tongue (9) is T-shaped.
  • the crossbar (11) of the T-shape is the tip of the tongues (9) and its underside on the side edges of the tongues (9) is the undercut (12).
  • the two tongues (8 and 9) are angled toward the rear of the reflector, the standing bar (13) of the T-shaped tongue (9) being bent transversely to its longitudinal extent toward the reflector before it is angled.
  • the tongue (9) engages in a correspondingly large semicircular recess at the edge of the base flange, while the tongue (8) engages in a corresponding rectangular recess in the edge of the base flange (6).
  • the one receiving the lamp (3) The area of the reflector (1) is pulled towards the inside of the reflector until the filament (15) of the lamp (3) lies at the focal point of the reflector (1).
  • the retaining spring (17) attached to the tongues (8 and 9) is made from a sheet metal strip and spans the base portion (16) of the lamp (3) which projects outwards without contact.
  • the retaining spring with tongues (18) cut free from its central area and bent towards the base flange (6) bears against the base flange (6) under prestress and presses it against the edge (7) of the opening (2).
  • a free end section of the retaining spring (17) is cut out in a U-shape, the legs (19) of the U-shape extending parallel to the longitudinal extent of the retaining spring.
  • the free end sections (20) of the legs are rolled into an eyelet.
  • the free end section of the holding spring (17) which is adjacent to the latching opening (23) has a free end section (25) which serves as a handle for the holding spring.
  • the area of the holding spring (17) spanning the base section (16) at a distance has an extension (26) designed as a flat plug transversely to the longitudinal extension of the holding spring.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP89116063A 1988-09-15 1989-08-31 Befestigung einer Glühlampe in der Öffnung eines Reflektors eines Fahrzeugscheinwerfers Expired - Lifetime EP0359040B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3831372 1988-09-15
DE3831372A DE3831372C1 (enrdf_load_stackoverflow) 1988-09-15 1988-09-15

Publications (3)

Publication Number Publication Date
EP0359040A2 EP0359040A2 (de) 1990-03-21
EP0359040A3 EP0359040A3 (en) 1990-05-30
EP0359040B1 true EP0359040B1 (de) 1994-08-17

Family

ID=6363004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89116063A Expired - Lifetime EP0359040B1 (de) 1988-09-15 1989-08-31 Befestigung einer Glühlampe in der Öffnung eines Reflektors eines Fahrzeugscheinwerfers

Country Status (5)

Country Link
EP (1) EP0359040B1 (enrdf_load_stackoverflow)
AU (1) AU624171B2 (enrdf_load_stackoverflow)
DD (1) DD284741A5 (enrdf_load_stackoverflow)
DE (1) DE3831372C1 (enrdf_load_stackoverflow)
ES (1) ES2057035T3 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3729984C1 (de) * 1987-09-08 1989-02-09 Hella Kg Hueck & Co Kraftfahrzeugscheinwerfer
FR2722864B1 (fr) * 1994-07-20 1996-08-30 Rapid Sa Attache pour la fixation amovible d'une ampoule sur un support

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1539603A1 (de) * 1966-12-17 1970-02-05 Fahrzeugelek K Ruhla Veb Scheinwerfer fuer Fahrzeuge,insbesondere fuer Zweiradfahrzeuge
FR2555824B1 (fr) * 1983-11-30 1986-05-23 Cibie Projecteurs Dispositif de montage et de fixation d'une lampe, notamment pour projecteur d'automobile
DE3432445A1 (de) * 1984-09-04 1986-03-13 Robert Bosch Gmbh, 7000 Stuttgart Scheinwerfer fuer kraftfahrzeuge
FR2575269B1 (fr) * 1984-12-26 1988-08-19 Cibie Projecteurs Bonnette de protection pour projecteur de vehicule automobile
DE3606538C1 (en) * 1986-02-28 1987-04-16 Hella Kg Hueck & Co Mounting an incandescent lamp in the opening of a reflector of a vehicle headlight

Also Published As

Publication number Publication date
DE3831372C1 (enrdf_load_stackoverflow) 1990-03-22
DD284741A5 (de) 1990-11-21
AU4015689A (en) 1990-03-22
AU624171B2 (en) 1992-06-04
ES2057035T3 (es) 1994-10-16
EP0359040A2 (de) 1990-03-21
EP0359040A3 (en) 1990-05-30

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