GB2334086A - Lamp shade support for vehicle light - Google Patents
Lamp shade support for vehicle light Download PDFInfo
- Publication number
- GB2334086A GB2334086A GB9900927A GB9900927A GB2334086A GB 2334086 A GB2334086 A GB 2334086A GB 9900927 A GB9900927 A GB 9900927A GB 9900927 A GB9900927 A GB 9900927A GB 2334086 A GB2334086 A GB 2334086A
- Authority
- GB
- United Kingdom
- Prior art keywords
- leg
- reflector
- inserting hole
- lamp
- lamp shade
- 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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/50—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
-
- 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
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape 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
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/47—Attachment thereof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A vehicle lamp comprises a light source 14; a reflector 16 for reflecting light from the light source forward; a lamp shade 30 positioned in front of the light source supported by a cantilever leg 34 extending horizontally backward, passing through a hole formed in the reflector 19, with its rear end bent into a downward facing L-shape 36 which is fixed to the rear side of the reflector. The horizontally extending portion of the leg is slightly separated form the inner peripheral face of the leg inserting hole 19a and brought into contact with the reflector at the front edge portion of the leg inserting hole by forming a projection 20 on the front edge portion of the leg inserting hole and/or ensuring that the L-shaped portion of the leg of the lamp shade is bent at an acute angle with respect to the horizontally extending portion.
Description
2334086 VEMCLE LAMP The present invention relates to a vehicle lamp having
a lamp shade in a lamp chamber, the lamp shade contributing to light distribution by shielding part of the light from a light source, and more particularly to a vehicle lamp so structured that a lamp shade
is securely cantilevered in a lamp chamber. 2.Description of the Related Art
Fig. 7 is a vertical sectional view of an automobile head lamp of the related art, wherein reference numeral 1 denotes a lamp body; 2, a front lens; and 3, a parabolic reflector. The reflector 3 fitted with a bulb 4 as a light source and a lamp shade 5 fixed to the reflector 3 are provided in a lamp chamber formed with the lamp body 1 and the front lens 2.
The lamp shade 5 is so structured as to incorporate a shade body 6 contributing to light distribution by shielding part of the light of the bulb 4 and a cantilever leg 7 for the shade body 6 by fixing its rear end portion substantially horizontally extending backward to the reflector 3. The leg 7 is passed through a leg inserting hole (a cutout formed in a bulb fitting hole 3a) 3b formed in the reflector 3 and fixing an L-shaped bent portion 8 formed at the rear end of the leg 7 to a predetermined position on the back side of the reflector 3 by means of a screw 9.
The lamp shade 5 is generally made of metal such as iron alloy and its leg 7 is formed with the L-shaped bent portion 8 provided with a screw inserting hole 8a, the L- 1 - 1 t shaped bent portion 8 being formed by bending the rear end portion of the leg 7 in a direction perpendicular to the horizontally extended portion of the leg 7. However, the length and bending angle of the L-shaped bent portion 8 of the lamp shade 5 tend to produce errors when the rear end portion of the leg 7 is bent. Consequently, it has been arranged that the lamp shade 5 can be fixedly fitted up even though a slight dimensional error exists by providing a predeterTnined gap as a tolerance between the base of the leg inserting hole 3b and the leg 7.
In the case of the aforesaid conventional lamp shade 5, however, the leg 7 extending horizontally is separated from the base of the leg inserting hole 3b and the L- shaped bent portion 8 at the rear end of the leg 7 is fixed only to the back side of the reflector 3. Accordingly, the lamp shade 5 vertically rocks as the vehicle runs and the problem is that the distribution of light from the lamp tends to become greatly blurred vertically. Moreover, the vertical rocking of the lamp shade 5 causes the bending stress to be concentrated in the L-shaped bent portion 8 of the leg 7 and may subject the leg 7 to fatigue failure, thus developing a problem arising from the inferior durability of the lamp, shade 5 as well.
An object of the present invention made in consideration of the foregoing problems pertaining to the prior art is to provide a vehicle lamp capable of reducing the vertical rocking quantity of its lamp shade and simultaneously easing stress concentration in a L-shaped bent portion where the vehicle lamp is fixedly fitted to a reflector by supporting the leg of the cantilevered lamp shade at another point ahead of the portion where the vehicle lamp is fixedly fitted to the reflector.
In order to accomplish the object above, a vehicle lamp according to the present invention wherein a light source, a reflector for reflecting the light of a bulb - 2 1 forward and a lamp shade are provided in a lamp chamber; the lamp shade is so structured as to incorporate a shade body which is positioned in front of a light source and contributes to light distribution by shielding part of the light emanated from the light source and a cantilever leg extended substantially horizontally backward with the rear end portion fixed to the reflector in order to support the shade body; and the leg is passed through a leg inserting hole formed in the reflector, an L-shaped bent portion facing downward being formed at the rear end of the leg and fixed to a predetermined position on the back side of the reflector, is such that the horizontally extended portion of the leg is slightly separated from the inner peripheral face of the leg inserting hole and brought into contact with the reflector in the front edge portion of the leg inserting hole.
Since the leg of the lamp shade is supported at two longitudinal places including the L-shaped bent portion where the lamp shade is fixedly fitted to the reflector and the extended leg of the portion in contact with the front edge portion of the leg inserting hole, this results in decreasing not only the vertical rocking quantity of the lamp shade but also the vertical blurred quantity of light distribution and easing stress concentration in the L-shaped bent portion of the leg.
As the errors in length and angles of the L-shaped bent portion are absorbed by the gap between the horizontally-extended portion of the leg and the base (inner peripheral face) of the leg inserting hole, no trouble arises from fixing the lamp shade to the reflector (fixing the L-shaped bent portion of the leg to a predetermined position on the back side of the reflector) in comparison with the prior art structure in which the lamp shade is supported in one place of the L- shaped bent portion.
As the leg of the lamp shade is brought into contact with the reflector in a position apart by what is equivalent to at least forward length of the leg inserting hole from the region (the L-shaped bent portion) fixed to the reflector (i.e., the leg of the lamp shade is supported at two points apart ftom each other longitudinally over what is equivalent to the length of the leg inserting hole), the quantity of vertical displacement with respect to the appropriate position of the shade body is small when the lamp shade is fitted up in comparison with the case where the leg of the lamp shade is supported at two longitudinal points set close to each other.
As a specific structure in which the horizontal ly-extended portion of the leg of the lamp shade is brought into contact with the front edge portion of the leg inserting hole of the reflector according to the present invention, the projection brought into contact with the horizontally extended portion of the leg of the lamp shade is provided in the front edge portion of the leg inserting hole of the reflector in the vehicle lamp.
As the projection provided in the front edge portion of the leg inserting hole, it can be considered that the projection is projected from the front edge portion of the leg inserting hole to the front side, toward the upper front side slantwise or to the upper side.
When the projection is projected to the front side, toward the upper front side slantwise or to the upper side, the point of supporting the leg of the lamp shade because of the projection is situated ahead of the front edge portion of the leg inserting hole, this results in decreasing not only the vertical rocking quantity of the lamp shade but also the vertical blurred quantity of light distribution and easing stress concentration in the L-shaped bent portion of the leg to that extent.
As another specific structure of this invention, moreover, the L-shaped bent portion of the leg of the lamp shade is bent at an acute angle with respect to the horizontally-extended portion, whereby to bring the horizontally-extended portion of the leg into contact with the front edge portion of the leg inserting hole in the vehicle lamp.
Moreover, the leg inserting hole is the cutout formed in the peripheral edge portion of the light-source fitting hole of the reflector in the vehicle lamp.
- 4 1 In the drawings:
Figure 1 is a vertical sectional view of an automobile headlamp as an embodiment of the present invention.
Figure 2 is an enlarged perspective view of an essential portion surrounding a leg inserting hole.
Figure 3 is an enlarged vertical sectional view of an essential portion surrounding a portion where a lamp shade is fixedly fitted up.
Figure 4 is an enlarged veitical sectional view of an essential portion surrounding a portion where a lamp shade is fixedly fitted up according to a second embodiment of the invention.
Figure 5 is an enlarged vertical sectional view of an essential portion surrounding a portion where a lamp shade is fixedly fitted up according to a third embodiment of the invention.
Figure 6 is an enlarged vertical sectional view of an essential portion surrounding a portion where a lamp shade is fixedly fitted up according to a fourth embodiment of the invention.
Figure 7 is a vertical sectional view of a conventional automobile head lamp.
A description will subsequently be given of a mode for carrying out the invention with reference to the drawings.
Figs. 1 - 3 show an automobile headlamp embodying the present invention, wherein Fig. 1 is a vertical sectional view of the automobile headlamp as an embodiment of the present invention; Fig. 2, an enlarged perspective view of an essential portion - 5 surrounding a leg inserting hole; and Fig. 3, an enlarged vertical sectional view of an essential portion surrounding a portion where a lamp shade is fixedly fitted up.
In Figs. 1 - 3, reference numeral 10 denotes a plastic container-like lamp body with the front side open, a front lens 12 being fitted'in the open front portion of the lamp body 10 to form a lamp chamber S. In the lamp chamber S, there are provided a bulb 14 as a light source, a reflector 16 for reflecting the light of the bulb 14 forward and a lamp shade 30 which is provided in front of the bulb 14 and used for shielding the light directed to an area other than the effective reflective surface 16a of the reflector 16.
The bulb 14 and the lamp shade 30 are integrated with the reflector 16 supported by an aiming mechanism (not shown) and by operating the aiming mechanism, the direction of the reflector 16 (the optical axis L of the headlamp) is made tiltably adjustable in the vertical and horizontal directions.
The reflector 16 is container-shaped and formed with the parabolic effective reflective surface 16a and in a bulb fitting hole 17 as a lightsource mounting hole provided in the rear top portion of the reflector 16, the bulb 14 containing a forward filament 15a for forming a high beam and a backward filament 16b for forming a low beam is inserted. Reference numeral 14a denotes a focusing ring provided in the forepart of a bulb base and when the focussing ring 14a engages with a ring-like thin-wall focusing-ring mating portion 17a formed in the peripheral edge portion of the bulb fitting hole 17, the center C of the bulb is positioned so that it is aligned with the focal point of the effective reflective surface 16a (the parabolic surface) of the reflector 16.
A cylindrical portion 18 is provided on the periphery of the focusingring mating portion 17a on the back side of the reflector 16. Furthermore, part of the peripheral edge portion of the bulb fitting hole is cut out in a position (what is parallel to the optical axis L) right below the bulb fitting hole 17 so as to form a leg inserting hole 19 - 6 1 1 through which the leg 34 of the lamp shade 30 is passed. A shade body 32 is cantilevered in the front end portion of the leg 34 fixed to the cylindrical portion 18, passed through the leg inserting hole 19 and extended forward.
In other words, the leg inserting hole 19 is a cutout for use in placing the leg 34 of the lamp shade 30 so as not to interfere with the focusing ring 14a of the bulb 14.
The lamp shade J30 is so structured as to incorporate the container-like shade body 32 contributing to forming light distribution by shielding part of the light of the bulb 14 directed to the reflector 16 with the cantilever leg 34 used for the shade body 32 by fixing to the reflector 16 (of the cylindrical portion 18) an L-shaped bent portion 36 at the rear end extended horizontally backward from the shade body 32. More specifically, the lamp shade 30 is formed by punching a metal plate into a predetermined shape, forming the shade body 32 by drawing and bending the rear end portion of the leg 34 into the L-shape.
Reference numeral 33 denotes a bead portion formed in a region from the horizontal ly-extended portion 35 of the leg 34 up to the L-shaped bent portion 36 in order to increase the strength of the leg 34. The L-shaped bent portion 36 is provided with a screw inserting hole 37 and by screwing a tapping screw 38 into a screw hole 18a formed in the cylindrical portion 18, the L-shaped bent portion 36 of the leg is fixed to the cylindrical portion 18, that is, the lamp shade 30 is fixed to the reflector 16.
As shown in Fig. 3, moreover, the length L1 between the center of the screw inserting hole 37 of the L-shaped bent portion 36 and the horizontally- extended portion 35 is set greater than the length L2 between the center of the screw hole 18a up to the base 19a of leg inserting hole 19 as the cutout, so that a predetermined gap d I is formed between the horizontally-extended portion 35 of the leg and the base 19a of the leg inserting hole 19.
A plane which is level with the plane of the base 19a of the leg inserting hole 19 is provided in a position corresponding to the front side peripheral edge portion of the leg inserting hole 19, and a frontal projection 20 which contacts the leg 34 of the lamp shade 30 is also provided.
More specifically, the bending angle 01 of the L-shaped bent portion 36 with respect to the horizontally-extended portion 35 of the leg 34 is a predetermined acute angle different from what has heretofore been set (900), so that the horizontal ly-extended portion 35 of the leg 34 is brought into contact with the frontal projection 20 provided in the front edge portion of the leg inserting hole 19. -The bending angle E) 1 of the L-shaped bent portion 36 and the projecting quantity of the frontal projection 20 are set in such a manner that when the lamp shade 30 is fixedly integrated with the reflector 16 by fixing the L- shaped bent portion 36 of the leg to the cylindrical portion 18 with the screw, the horizontally-extended portion 35 of the leg is brought into contact with the frontal projection 20 and that the shade body 32 is properly positioned with respect to the center C of the bulb.
As the surface of the frontal projection 20 is level with the base 19a of the leg inserting hole 19, a die surface for use in molding the reflector 16 never becomes complicated.
Reference numeral 40 denotes a frame-shaped extension reflector disposed between the open front portion of the lamp body 10 and the front lens 12 and extended in such a manner as to cover the gap between the reflector 16 and the lamp body 10, the surface of the extension reflector 40 being aluminized like the reflector 16, whereby the external appearance of the vehicle lamp becomes superb as the whole interior of the lamp chamber looks metallic and deep when the lamp is turned off.
Furthermore, an opening 11 for use in replacing the bulb is provided in a position facing the bulb fitting hole 17 in the back wall of the lamp body 10, and a flexible rubber dust-water preventive cover 50 is fitted in between the opening 11 and the base of 8 I the bulb.
Fig. 4 is an enlarged vertical sectional view of an essential portion surrounding a portion where a lamp shade is fixedly fitted up according to a second embodiment of the invention. According to the second embodiment of the invention, the L- shaped bent portion 36 of the leg 34 of a lamp shade 30A has an acute angle 02 smaller than the bending angle 01 of the L-shaped bent portion 36 of the lamp shade 30 according to the first embodiment thereof, so that the horizontally-extended portion 35 of the leg 34 is brought into contact with the front edge 19b of the leg inserting hole 19.
The rest of the structure according to the second embodiment of the invention is similar to the structure according to the first embodiment thereof and the description thereof will be omitted by giving the same reference numerals thereto.
Fig. 5 is an enlarged vertical sectional view of an essential portion surrounding a portion where a lamp shade is fixedly fitted up according to a third embodiment of the invention.
Although the L-shaped bent portion 36 of the leg 34 of a lamp shade 30B has an angle of 90 like the bending angle of the L-shaped bent portion of the conventional lamp shade according to the third embodiment of the invention, a frontal projection 22 which is projected toward the upper front side slantwise and brought into contact with the horizontal lyextended portion 35 of the leg 34 of a lamp shade 30B is provided in the front 20 peripheral edge portion of the leg inserting hole 19.
The rest of the structure according to the third embodiment of the invention is similar to the structure according to the first embodiment thereof and the description thereof will be omitted by giving the same reference numerals thereto.
Fig. 6 is an enlarged vertical sectional view of an essential portion surrounding 25 a portion where a lamp shade is fixedly fitted up according to a fourth embodiment of the 9 - invention.
Although the bending angle of the L-shaped bent portion -36 of the leg 34 of a lamp shade 30C is set at 90 according to the fourth embodiment of the invention as in the case of the third embodiment thereof, an upward projection 24 which is projected upward and brought into contact with the horizontal ly-extended portion 35 of the leg 34 of the lamp shade 30C is provided in the front edge portion of the leg inserting hole 19.
The rest of the structure according to the fourth embodiment of the invention is similar to the structure according to the first embodiment thereof and the description thereof will be omitted by giving the same reference numerals thereto.
As is obvious from the description above, the lamp shade cantilevered with the L-shaped bent portion at the rear end of the leg being fixed to the reflector in the vehicle lamp according to the present invention is also support with the front side of the fixedly reflector fitting portion, whereby the vertical rocking quantity of the lamp shade is decreased and the stress concentration in the L-shaped bent portion of the leg is eased with the effect of improving the durability of the lamp shade.
Moreover, the vertical blurred quantity of light distribution is decreased since the vertical rocking quantity of the lamp shade is small with the effect of improving the frontal visible recognition.
The structure according to another aspect of the present invention is simply applicable to any conventional vehicle lamp only by replacing the reflector without changing the shape of the lamp shade at all.
The vertical rocking quantity of the lamp shade is decreased further particularly when the projection is projected to the front side, toward the upper front side slantwise or to the upper side and the light distribution becomes hardly blurred vertically. Moreover, the durability of the lamp shade is improved further as the stress concentration in the L- - 10 1 shaped bent portion of the leg is greatly eased.
Further advantage of the present inventions is simply applicable to any conventional vehicle lamp only by replacing the reflector without changing the shape of the lamp shade at all.
Furthermore, the formation of the leg inserting hole is facilitated and the structure of the mold for the formation of the reflector never becomes complicated since the leg inserting hole and the light-source fitting hole are continuous to each other.
Claims (6)
1. A vehicle lamp comprising: a light source; a reflector for reflecting light of the light source forward; a lamp having a shade body which is positioned in front of the light source for contributing to light distribution by shielding part of the light emanated from the light source, and a cantilever leg extended substantially horizontally backward with the rear end portion fixed to the reflector in order to support the shade body, wherein the leg is passed through a leg inserting hole formed in the reflector, and an L-shaped bent portion facing downward being formed at the rear end of the leg and fixed to a predetermined position on the back side of the reflector; wherein the horizontally extended portion of the leg is slightly separated from the inner peripheral face of the leg inserting hole and brought into contact with the reflector in the front edge portion of the leg inserting hole.
2 The vehicle lamp as claimed in claim 1, wherein a projection is brought into contact with the horizontally extended portion of the leg of the lamp shade is provided in the front edge portion of the leg inserting hole of the reflector.
3 The vehicle lamp as claimed in claim 2, wherein the projection is projected from the front edge portion of the leg inserting hole to the front side, toward the upper front side slantwise or to the upper side.
12 1
4 The vehicle lamp as claimed in one of claims 1 - 3, wherein the Lshaped bent portion of the leg of the lamp shade is bent at an acute angle with respect to the horizontally extended portion and wherein the horizontally extended portion of the leg is brought into contact with the front edge portion of the leg inserting hole.
5. The vehicle lamp as claimed in claim 1, wherein the leg inserting hole is a cutout formed in the peripheral edge portion of the light-source fitting hole of the reflector.
6. A lamp substantially as described with reference to Figures 1 to 6 of the accompanying drawings.
6. A larrp substantially as described with reference to figures Lto 6 of the accarpanying drawings.
- 13 it Amendments to the claims have been filed as follows passed through 1. A vehicle lamp comprising a light source; a reflector for reflecting light of the light source forward; a lamp shade having a shade body which is positioned in front of the light source for contributing to light distribution by shielding part of the light emanated from the light source, and a cantilever leg extended substantially horizontally backward with the rear end portion fixed to the reflector in order to support the shade body, wherein the leg is a leg inserting hole formed in the reflector, and an L-shaped bent portion facing downward being formed at the rear of the leg and fixed to a predetermined position on the back side of the reflector; wherein the horizontally extended portion of the leg is slightly separated from the inner peripheral face of the leg inserting hole and brought into contact with the reflector in the front edge portion of the leg inserting hole.
2. A vehicle lamp according to claim 1, wherein a projection is brought into contact with the horizontally extended portion of the leg of the lamp shade is provided in the front edge portion of the leg inserting hole of the reflector.
3. A vehicle lamp according to claim 2, wherein the projection is projected from the front edge portion of the leg inserting hole towards the front lens and/or the upper surface of a lamp body.
4. A vehicle lamp according to any one of claims 1 to 3, wherein the Lshaped bent portion of the leg of the lamp shade is bent at an acute angle with respect to the horizontally extended portion and wherein the horizontally extended portion of the leg is brought into contact with the front edge portion of the leg inserting hole.
1 1 !5 5. A vehicle lamp according to claim 1, wherein the leg inserting hole is a cutout formed in the peripheral edge portion of the light-source fitting hole of the reflector.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10028305A JPH11224505A (en) | 1998-02-10 | 1998-02-10 | Lighting unit for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB2334086A true GB2334086A (en) | 1999-08-11 |
| GB2334086B GB2334086B (en) | 2000-01-19 |
Family
ID=12244918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9900927A Expired - Fee Related GB2334086B (en) | 1998-02-10 | 1999-01-15 | Vehicle lamp |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH11224505A (en) |
| DE (1) | DE19905037A1 (en) |
| GB (1) | GB2334086B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100356222B1 (en) * | 2000-07-26 | 2002-10-18 | 현대자동차주식회사 | Lamp shield for automobile |
| JP4804333B2 (en) * | 2006-12-25 | 2011-11-02 | 本田技研工業株式会社 | Light |
| DE102013111727B4 (en) * | 2013-10-24 | 2021-09-09 | HELLA GmbH & Co. KGaA | Arrangement of a radiation diaphragm on a reflector of a headlight |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2288459A (en) * | 1994-04-15 | 1995-10-18 | Koito Mfg Co Ltd | A vehicle headlamp |
| GB2293646A (en) * | 1994-09-28 | 1996-04-03 | Bosch Gmbh Robert | Headlamp for vehicles |
-
1998
- 1998-02-10 JP JP10028305A patent/JPH11224505A/en active Pending
-
1999
- 1999-01-15 GB GB9900927A patent/GB2334086B/en not_active Expired - Fee Related
- 1999-02-08 DE DE19905037A patent/DE19905037A1/en not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2288459A (en) * | 1994-04-15 | 1995-10-18 | Koito Mfg Co Ltd | A vehicle headlamp |
| GB2293646A (en) * | 1994-09-28 | 1996-04-03 | Bosch Gmbh Robert | Headlamp for vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19905037A1 (en) | 1999-08-19 |
| JPH11224505A (en) | 1999-08-17 |
| GB2334086B (en) | 2000-01-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20080115 |