EP0745804B1 - Projecteur de véhicule automobile comportant un porte-lampe de ville perfectionné - Google Patents
Projecteur de véhicule automobile comportant un porte-lampe de ville perfectionné Download PDFInfo
- Publication number
- EP0745804B1 EP0745804B1 EP96400943A EP96400943A EP0745804B1 EP 0745804 B1 EP0745804 B1 EP 0745804B1 EP 96400943 A EP96400943 A EP 96400943A EP 96400943 A EP96400943 A EP 96400943A EP 0745804 B1 EP0745804 B1 EP 0745804B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lamp holder
- reflector
- ramp
- opening
- 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
Links
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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/19—Attachment of light sources or lamp holders
-
- 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
- F21S41/198—Snap-fit attachments
Definitions
- the present invention relates generally to the mounting of a lamp called "city lamp” in a motor vehicle headlight.
- a city lamp of low power, is defocused in the reflector of a lighting projector (for beam of crossing and / or road) so as to ensure vehicle front signaling.
- the lamp is mounted for this purpose in a lamp holder in plastic itself mounted in an opening suitable formed in the reflector.
- a first known solution for this assembly consists into a bayonet mechanism.
- Another known solution consists of a fitting conical, the lamp holder having an external surface smooth frusto-conical, of reduced taper angle, coming block by wedging in a taper opening conjugate formed in the reflector.
- the lamp holder is generally made made of relatively flexible polyamide, and the mounting is satisfactory.
- a lamp holder thus produced has a hardness much larger, and mounting in the reflector, also very hard (usually made of thermosetting material), is not satisfactory.
- the lamp holder described in this document is used in the context of a traffic light, in which prevails a much lower temperature than in a projector. It follows that we can give the legs lamp holder hoses the flexibility desired for ensure satisfactory installation and locking.
- the present invention aims to overcome these disadvantages, and to propose a new assembly of lamp holder made of hard material which allows fixing satisfactory in a simple and economical way, and in particular without complicating the molding of the reflector receiving the lamp holder.
- Material with hardness such as conical fitting with an orifice formed in the reflector made of thermosetting material risk of causing an unassemblable jamming is notably a high-temperature thermoplastic material loaded with fibers of glass.
- This reflector comprises a flap 10 in which is formed a circular opening 11 for mounting and fixing a city lamp holder 20.
- This city lamp holder has a body generally cylindrical 21 open at the front (bottom in Figures 1 and 2) to receive an L lamp (by screw or screw mounting bayonet), and a base 23 wider than the opening 11 at less in one direction. From this base extend backwards two flexible supply conductors 24 lamp L.
- the cylindrical body 21 has an equal or slightly smaller than the diameter of the opening 11 of the reflector.
- the cylindrical body 21 of the lamp holder has two diametrically flexible tabs opposite 22, extending axially rearward and delimited laterally with respect to the cylindrical body by two narrow notches.
- Each of the tabs 22 has on its external face a protuberance defined by two ramps rising one towards the other, namely a ramp 22a of slight slope, rising in direction of the base 23, and a ramp 22b of more slope strong, rising in a direction away from the base 23.
- the opening 11 of the reflector comprises, at its circular edge on the inside reflector (bottom in Figures 1 and 2) a chamfer 11a obliquity similar to that of the ramps 22b of the lamp holder.
- the lamp holder 20 is put in place by simple translation from the rear of the reflector, the ramps slightly inclined 22a causing elastic erasure temporary inward of the tabs 22, for the crossing the opening.
- the distance between base 23 and the more inclined ramps 22b is also chosen so that when said base comes into abutment against the rear of the reflector 10, said ramps 22b, by the play of the elastic restoring force of the tongues 22 outwards, are applied against the chamfer 11a of opening 11, thus locking the lamp holder in position.
- the number and distribution of flexible tabs may vary.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Description
Claims (4)
- Dispositif d'éclairage ou de signalisation de véhicule automobile, du type comprenant un réflecteur (R) et un porte-lampe (20) destiné à être monté dans une ouverture (11) du réflecteur (R), le porte-lampe comportant un corps généralement cylindrique (21) de section égale ou légèrement inférieure à celle de l'ouverture, et au moins une languette flexible (22) comportant une première rampe (22a) pour faciliter l'engagement du corps du porte-lampe dans ladite ouverture et une seconde rampe (22b) de pente inversé de celle de la première rampe pour coopérer avec un bord de l'ouverture (11) et assurer le verrouillage du porte-lampe en position, dispositif caractérisé en ce que le réflecteur appartient à un projecteur, en ce que le réflecteur est réalisé en matériau thermodurcissable , en ce que le porte-lampe est réalisé en une matière plastique présentant une dureté telle qu'un emmanchement conique avec un orifice formé dans un tel réflecteur en matériau thermodurcissable risquerait de provoquer un coincement indémontable, en ce que le porte-lampe comporte des moyens de montage d'une lampe de ville, et en ce que l'ouverture (11) formée dans le réflecteur possède une zone chanfreinée (11a) formée à sa périphérie et du côté intérieur de celle-ci, avec laquelle ladite seconde rampe (22b) est apte à coopérer.
- Dispositif selon la revendication 1, caractérisé en ce que la première rampe (22a) présente une pente plus douce que la seconde rampe (22b).
- Porte-lampe selon l'une des revendications 1 et 2, caractérisé en ce que le porte-lampe comporte deux languettes (22) diamétralement opposées.
- Porte-lampe selon l'une des revendications 1 à 3, caractérisé en ce que la ou chaque languette (22) s'étend vers l'arrière du porte-lampe en direction d'une base élargie (23) de celui-ci.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9505335A FR2733819B1 (fr) | 1995-05-04 | 1995-05-04 | Porte-lampe destine a etre monte dans un reflecteur de projecteur de vehicule automobile pour recevoir une lampe de ville, et projecteur l'incorporant |
FR9505335 | 1995-05-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0745804A1 EP0745804A1 (fr) | 1996-12-04 |
EP0745804B1 true EP0745804B1 (fr) | 2002-07-03 |
Family
ID=9478697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96400943A Expired - Lifetime EP0745804B1 (fr) | 1995-05-04 | 1996-05-03 | Projecteur de véhicule automobile comportant un porte-lampe de ville perfectionné |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0745804B1 (fr) |
DE (1) | DE69622085T2 (fr) |
ES (1) | ES2177743T3 (fr) |
FR (1) | FR2733819B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11598512B1 (en) * | 2022-07-12 | 2023-03-07 | Haier Us Appliance Solutions, Inc. | Domestic appliance and light assembly |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE19519E (en) * | 1935-04-09 | douglas | ||
FR2191068B1 (fr) * | 1972-06-26 | 1979-02-09 | Tecalemit Sa | |
GB1474037A (en) * | 1973-11-15 | 1977-05-18 | Lucas Electrical Ltd | Lamp reflectors |
-
1995
- 1995-05-04 FR FR9505335A patent/FR2733819B1/fr not_active Expired - Lifetime
-
1996
- 1996-05-03 EP EP96400943A patent/EP0745804B1/fr not_active Expired - Lifetime
- 1996-05-03 DE DE69622085T patent/DE69622085T2/de not_active Expired - Fee Related
- 1996-05-03 ES ES96400943T patent/ES2177743T3/es not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11598512B1 (en) * | 2022-07-12 | 2023-03-07 | Haier Us Appliance Solutions, Inc. | Domestic appliance and light assembly |
Also Published As
Publication number | Publication date |
---|---|
EP0745804A1 (fr) | 1996-12-04 |
ES2177743T3 (es) | 2002-12-16 |
FR2733819B1 (fr) | 1997-07-25 |
DE69622085T2 (de) | 2003-03-06 |
DE69622085D1 (de) | 2002-08-08 |
FR2733819A1 (fr) | 1996-11-08 |
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