GB2045416A - A headlamp, especially for motor vehicles - Google Patents
A headlamp, especially for motor vehicles Download PDFInfo
- Publication number
- GB2045416A GB2045416A GB8009888A GB8009888A GB2045416A GB 2045416 A GB2045416 A GB 2045416A GB 8009888 A GB8009888 A GB 8009888A GB 8009888 A GB8009888 A GB 8009888A GB 2045416 A GB2045416 A GB 2045416A
- Authority
- GB
- United Kingdom
- Prior art keywords
- housing
- lens
- headlamp
- reflector
- plastics material
- 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
Links
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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/29—Attachment thereof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A headlamp for motor vehicles comprises a lens (17) and housing (18) which consist of plastics material and are either integrally produced or are produced separately and then welded together. The lens and the housing can consist of colourless, transparent plastics material or the housing section and the regions (21, 22) of the lens emitting coloured light rays can be produced from coloured plastics material. <IMAGE>
Description
SPECIFICATION
A headlamp, especially for motor vehicles
The invention originates from a headlamp according to the type set forth in the main claim.
With such headlamps, of so-called open construction, the lens is a pressed glass and the housing generally consists of the thermoplastics polypropylene. It has already been proposed to use plastics as well as the material for the lens.
The lens and the housing are either connected together by clips with the interposition of a seal or are directly stuck together. A disadvantage of the first type of connection is a low resistance to ageing of the seal and of the second type of connection the fact that many factors need to be considered during treatment of the adhesive.
ADVANTAGES OF THE INVENTION
With the headlamp according to the invention, the problems discussed in respect of the state of the art referred to above are solved by the simultaneous integral production of the lens and the housing. The probiems set forth are also solved when welding together of the lens and the housing is used as in claim 2.
Advantageous further developments of the invention are described in the sub-claims and are explained in detail in the following specification. If the multicolour injection method according to claim 5 is used, then, in that instance, no additional coloured discs or foils are required on the lens section where, for example, a coloured light is generated. With the construction of the headlamp according to claim 7, the elements arranged inside the part, such as reflector, adjustment device, illumination range adjustment, are easily accessible which is essential with the restricted installation corlditions in the engine compartment.
DRAWING
Two embodiments of the invention are illustrated in the drawing and are described in detail in the foilowing specification. On a reduced scale, Figure 1 shows the first example in horizontal section and Figure 2 shows the second example illustrated in only partial section.
DESCRIPTION OF THE EMBODIMENTS
The headlamp illustrated only diagrammmatically in Figure 1 consists essentially of a part 10 and a cover 11 which is fixed to the part 10 by means of a seal 12 in a manner not shown in detail. On the inside 13, a main-dipped beam reflector 14, a reflector 1 5 for the fog lamp and a turning indicator reflector 16 are incorporated by means of supporting elements (not shown).
The integrally produced part 10 consists of colourless, transparent plastics material and has a lens section 1 7 and an annular housing section 18 connected thereto, from which supporting elements 1 9 project and by which the headlamp is fixed to the vehicle body (not shown). Optically acting means 20 project from the inner wall of the lens section 1 7 in the region of the reflector 1 4.
From these, the region 21 associated with the reflector 1 5 extends and it continues as the region 22 associated with the reflector 16; the two regions 21 and 22 through which the fog light and the turning indicator light pass are coloured. The part 10 is produced by the multicolour injection method. The housing section 1 8 of the part 10 can also consistof coloured plastics material.
The cover 11, likewise consisting of plastics, has a surrounding foot 24 provided with a groove 23 accommocating the seal 12. Thus, the cover 11 closes the interior 1 3 with respect to the outer atmosphere.
The lens section 27 and the housing secton 28 in Figure 2 likewise consists of plastics material but the two parts are produced separately and then welded together to form the part 30. The socalled mirror welding process is proposed for this purpose.
1. A headlamp, especially for motor vehicles, comprising a housing which can be fixed to the body and accommodating at least one reflector and comprising a lens closing the housing in the direction of travel and which has optically effective means, characterised in that, the housing and the lens are produced from plastics material as an integral part.
2. A headlamp, especially for motor vehicles, comprising a housing which can be fixed to the body and accommodating at least one reflector and comprising a lens closing the housing in the direction of travel and which has optically effective means, characterised in that, the housing is produced from plastics material and is nonreleasably connected to the lens to form a single part.
3. A headlamp according to one of the preceding claims characterised in that the part consisting of the housing and the lens, consists of colourless, transparent plastics material.
4. A headlamp according to one of the preceding claims characterised in that the lens section consists of colourless, transparent plastics material and the housing section of the part consists of a coloured plastics material.
5. A headlamp-iilumination unit comprising a plurality of reflectors according to one of the preceding claims characterised in that the region of the lens section associated with the respective reflector is coloured in accordance with the colour of the illuminated signal.
6. A headlamp according to one of the preceding claims characterised in that supporting elements are arranged on the housing section for fixing the headlamp to the body of the vehicle.
7. A headlamp according to one of the
**WARNING** end of DESC field may overlap start of CLMS **.
Claims (8)
1. A headlamp, especially for motor vehicles, comprising a housing which can be fixed to the body and accommodating at least one reflector and comprising a lens closing the housing in the direction of travel and which has optically effective means, characterised in that, the housing and the lens are produced from plastics material as an integral part.
2. A headlamp, especially for motor vehicles, comprising a housing which can be fixed to the body and accommodating at least one reflector and comprising a lens closing the housing in the direction of travel and which has optically effective means, characterised in that, the housing is produced from plastics material and is nonreleasably connected to the lens to form a single part.
3. A headlamp according to one of the preceding claims characterised in that the part consisting of the housing and the lens, consists of colourless, transparent plastics material.
4. A headlamp according to one of the preceding claims characterised in that the lens section consists of colourless, transparent plastics material and the housing section of the part consists of a coloured plastics material.
5. A headlamp-iilumination unit comprising a plurality of reflectors according to one of the preceding claims characterised in that the region of the lens section associated with the respective reflector is coloured in accordance with the colour of the illuminated signal.
6. A headlamp according to one of the preceding claims characterised in that supporting elements are arranged on the housing section for fixing the headlamp to the body of the vehicle.
7. A headlamp according to one of the preceding claims characterised in that the part can be closed by a cover, preferably made of plastics material.
8. A headlamp substantially as herein described with reference to Figure 1 or Figure 2 of the accompanying drawings.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792912521 DE2912521A1 (en) | 1979-03-29 | 1979-03-29 | HEADLIGHTS, ESPECIALLY FOR MOTOR VEHICLES |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2045416A true GB2045416A (en) | 1980-10-29 |
GB2045416B GB2045416B (en) | 1983-06-15 |
Family
ID=6066819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8009888A Expired GB2045416B (en) | 1979-03-29 | 1980-03-24 | Headlamp especially for motor vehicles |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS55139701A (en) |
DE (1) | DE2912521A1 (en) |
FR (1) | FR2452663A1 (en) |
GB (1) | GB2045416B (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0158328A2 (en) * | 1984-04-10 | 1985-10-16 | GTE Products Corporation | Lighting module for motor vehicle lighting system |
US4569002A (en) * | 1984-04-10 | 1986-02-04 | Gte Products Corporation | Motor vehicle lighting system |
GB2169392A (en) * | 1985-01-08 | 1986-07-09 | Carello Ind Spa | A front optical unit for motor vehicles |
FR2721687A1 (en) * | 1994-06-28 | 1995-12-29 | Valeo Vision | Plastic material housing for motor vehicle headlamp |
GB2347108A (en) * | 1999-02-22 | 2000-08-30 | Koito Mfg Co Ltd | Vehicle lamp lens |
GB2347109A (en) * | 1999-02-22 | 2000-08-30 | Koito Mfg Co Ltd | Method and apparatus for producing lens for vehicular lamp |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60123801U (en) * | 1984-01-26 | 1985-08-21 | 市光工業株式会社 | automotive lighting |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB726343A (en) * | 1953-03-24 | 1955-03-16 | James Limberg Grupen | Sealed headlight having auxiliary reflector |
DE1530555A1 (en) * | 1965-04-06 | 1970-01-08 | Daimler Benz Ag | Light for vehicles, in particular exterior light for motor vehicles |
GB1161239A (en) * | 1966-10-07 | 1969-08-13 | Thomas Dunwoody | Improvements in and relating to Street Lighting Lanterns |
GB1157764A (en) * | 1967-08-15 | 1969-07-09 | Wipac Dev Ltd | Lamp Assembly |
GB1232227A (en) * | 1968-11-11 | 1971-05-19 | ||
GB1361482A (en) * | 1971-01-20 | 1974-07-24 | Lucas Industries Ltd | Vehicle lamp assemblies |
BE788413A (en) * | 1971-10-27 | 1973-01-02 | Loing Verreries | WATERPROOF PROJECTOR WITH INTERCHANGEABLE LAMP |
GB1487202A (en) * | 1974-01-29 | 1977-09-28 | Lucas Electrical Ltd | Lamp assembly |
DE2755432A1 (en) * | 1977-01-31 | 1978-08-03 | Sassmannshausen Knut | Motor vehicle lamp with hollow reflector mirror - has light outlet in horizontal plane containing body focal point |
IT1083262B (en) * | 1977-05-10 | 1985-05-21 | Fiat Spa | REFLECTOR FOR LIGHTING AND OR SIGNALING DEVICE PARTICULARLY FOR VEHICLES |
-
1979
- 1979-03-29 DE DE19792912521 patent/DE2912521A1/en not_active Ceased
-
1980
- 1980-03-24 GB GB8009888A patent/GB2045416B/en not_active Expired
- 1980-03-28 FR FR8007063A patent/FR2452663A1/en active Granted
- 1980-03-28 JP JP3917180A patent/JPS55139701A/en active Pending
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0158328A2 (en) * | 1984-04-10 | 1985-10-16 | GTE Products Corporation | Lighting module for motor vehicle lighting system |
US4569002A (en) * | 1984-04-10 | 1986-02-04 | Gte Products Corporation | Motor vehicle lighting system |
EP0158328A3 (en) * | 1984-04-10 | 1988-07-06 | Gte Products Corporation | Lighting module for motor vehicle lighting system |
GB2169392A (en) * | 1985-01-08 | 1986-07-09 | Carello Ind Spa | A front optical unit for motor vehicles |
FR2721687A1 (en) * | 1994-06-28 | 1995-12-29 | Valeo Vision | Plastic material housing for motor vehicle headlamp |
GB2347108A (en) * | 1999-02-22 | 2000-08-30 | Koito Mfg Co Ltd | Vehicle lamp lens |
GB2347109A (en) * | 1999-02-22 | 2000-08-30 | Koito Mfg Co Ltd | Method and apparatus for producing lens for vehicular lamp |
GB2347108B (en) * | 1999-02-22 | 2001-05-09 | Koito Mfg Co Ltd | Vehicle lamp lens |
GB2347109B (en) * | 1999-02-22 | 2001-05-09 | Koito Mfg Co Ltd | Method and apparatus for producing lens for vehicular lamp |
Also Published As
Publication number | Publication date |
---|---|
FR2452663B1 (en) | 1984-12-07 |
JPS55139701A (en) | 1980-10-31 |
FR2452663A1 (en) | 1980-10-24 |
DE2912521A1 (en) | 1980-10-09 |
GB2045416B (en) | 1983-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
746 | Register noted 'licences of right' (sect. 46/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |