Title of Invention

HEADLAMP STRUCTURE FOR VEHICLE

Abstract To provide a headlamp structure for a vehicle which uses LEDs as light sources and can illuminate a wide area ahead of the vehicle more brightly. [Solution] In a vehicle with a headlamp 13 which uses LEDs as light sources, a low beam lamp 101 has a plurality of projector lamps 107 which use LEDs as light sources; and a high beam lamp 102 has at least one projector lamp 108; light from the LEDs is focused on a small spot by the projector lamps 107 so that light reaches a distant area. Furthermore, the plural projector lamps 107 illuminate a wide distant area. [Selected Drawing] Fig. 9
Full Text

[Document Name] Specification
[Title of the Invention] Headlamp Structure for Vehicle
[Technical Field]
[0001]
The present invention relates to improvement in the-headlamp structure for a vehicle. [Background Art] [0002]
As related vehicle headlamp structures, those which use many LEDs (light emitting diodes) as light sources have been known (for example, see Patent Document 1). [Patent Document 1] JP-A No.2003-260975 [0003]
As shown in Figs.l and 2 of Patent Document 1, an optical assembly as a headlamp includes a support base 14, many optical elements 11 which are mounted on the support base 13, and a transparent cover 13 which covers the front of the optical elements 11.
As shown.in Fig.3 of the patent document, an optical element 11 includes an LED 15, an optical guide 18 provided in front of the LED 15 and a lens 19 provided in front of the optical guide 18. [Disclosure of the Invention] [Problem to be Solved by the Invention] [0004]
For example, when the optical elements 11 make up a low beam lamp, they should illuminate not only a wide area ahead of the vehicle but also a distant place ahead of the

vehicle brightly.
In each optical element 11, light from the LED 15 is guided forward by the optical guide 18 and focused by the lens 19; however, since the optical guide 18 merely lets light pass, it is difficulty for only the lens 19 to focus light and illuminate a distant place brightly. In order to illuminate a distant place ahead of the vehicle brightly, the brightness of the LED 15 must be increased.
An object of the present invention is to provide a headlamp structure for a vehicle which uses LEDs as light sources and illuminates a wide area ahead of the vehicle more brightly.
[Means for Solving the Problem] [0005]
The invention according to Claim 1 is characterized in that in a vehicle with a headlamp which uses LEDs as light sources,
a low beam lamp has a plurality of first projector lamps which use LEDs as light sources; and
a high beam lamp has at least one second projector lamp. [0006]
Functionally, since the low beam lamp has a first projector lamp which uses an LED as a light source, light from the LED is focused on a small spot by the first projector lamp and can reach a distant place. In addition, a plurality of projector lamps can illuminate a distant wide area.

[0007]
The invention according to Claim 2 is characterized in that a housing for the high beam lamp has a plurality of light guides which guide part of light from a light source outside.
Functionally, part of light from a light source enters a light guide and is guided outside by the light guide and emitted. [0008]
The invention according to Claim 3 is characterized in that the low beam lamp is located in an upper position and the high beam lamp is located under the low beam lamp-Functionally, since the low beam lamp is located in an upper position, the visibility of the low beam lamp is increased when it is lit. Also, a wide road surface ahead of the vehicle can be easily illuminated. [0009]
The invention according to Claim 4 is characterized in that a position lamp including a plurality of LEDs and flat plate light guides located in front of the LEDs is provided in the headlamp.
Functionally, when the plural LEDs are lit, light from the plural LEDs is diffused by the flat plate light guides to let a whole lens emit light. [0010]
The invention according to Claim 5 is characterized in that the light guide has an inner light guide part located in a sub-housing and an outer light guide part

formed integrally with the inner light guide part.
Functionally, light from a light source in the sub-housing is guided from the inner light guide part to the outer light guide part to let the outer light guide part emit light. [0011 ]
The invention according to Claim 6 is characterized in that the outer light guide part is a stay for the high beam lamp.
Functionally the outer light guide part of a light guide is a stay, which supports the high beam lamp. [0012]
The invention according to Claim 7 is characterized in that the outer light guide part has a front angular part which guides light from the high beam lamp for forward illumination.
Functionally, light from the high beam lamp for forward illumination is guided into the outer light guide part through the front angular part of the outer light guide part and, together with light guided from the sub-housing, lets the outer light guide emit light. [0013]
The invention according to Claim 8 is characterized in that the headlamp takes the form of an ellipse extending above backward, the low beam lamp is located in an outer upper position and the high beam lamp is located in an inner lower position.
Functionally, since the low beam lamp is located in

an outer upper position of the headlamp, the visibility of
a low beam lamp in a higher, more lateral position is
improved.
[Effect of the Invention]
[0014]
In the invention according to Claim 1, since a low beam lamp has a plurality of first projector lamps which use LEDs as light sources and a high beam lamp has at least one second projector lamp, the first projector lamps can focus light from the LEDs on a small spot and illuminate a distant place ahead of the vehicle brightly and due to the presence of the plural first projector lamps, a wide area ahead of the vehicle can be illuminated. [0015]
In the invention according to Claim 2, since a housing for the high beam lamp has a plurality of light guides which guide part of light from a light source outside, the visibility of the headlamp is further increased by letting the light guides emit light. Also the appearance can be improved by the design of the light guides. [0016]
In the invention according to Claim 3, since the low beam lamp is located in an upper position and the high beam lamp is located under the low beam lamp and the low beam lamp in an upper position should stay on, the visibility of the headlamp can be improved and a wider road surface can be illuminated.

[0017]
In the invention according to Claim 4, since a position lamp including a plurality of LEDs and flat plate light guides located in front of the LEDs is provided in the headlamp, light from the plural LEDs lets the whole light guide emit light and the visibility is improved. Also, the headlamp can have a novel appearance.
[0018]
In the invention according to Claim 5, since the light guide has an inner light guide part located in a sub-housing and an outer light guide part formed integrally with the inner light guide part, light from a light source in the sub-housing can be smoothly guided from the inner light guide part to the outer light guide part, enabling the outer light guide part to emit light effectively.
[0019]
In the invention according to Claim 6, since the outer light guide part is a stay for the high beam lamp and the stay supports the high beam lamp and the light guide is also used as a stay, there is no need for a special stay to support the high beam lamp and the number of components can be decreased to reduce cost.
[0020]
In the invention according to Claim 7, since the outer light guide part has a front angular part which guides light from the high beam lamp for forward illumination, the outer light guide part emits light together with light guided from inside the sub-housing and

thus the outer light guide part emits light more brightly. [0021]
In the invention according to Claim 8, since the headlamp takes the form of an ellipse extending above backward, the low beam lamp is located in an outer upper position and the high beam lamp is located in an inner lower position, the low beam lamp can be located in a position which is higher and more outward in the body width direction and thus the visibility of the low beam lamp can be further increased.
[Best Mode for Carrying Out the Invention] [0022]
Next, the best mode for carrying out the present invention will be described referring to the accompanying drawings. The drawings should be seen according to the orientations of the reference numerals.
Fig.l is a side view of a vehicle with a headlamp structure according to the present invention where a vehicle 10 is a scooter type motorcycle in which a pair of left and right headlamps 13, 14 (only numeral 13 on the nearer side is shown) and a pair of left and right front winkers 16, 17 (only numeral 16 on the nearer side is shown) are disposed on a front cover 12 constituting the front of a body cover 11 and a pair of left and right rear combination lamps 21, 22 (only numeral 21 on the nearer side is shown) are disposed on a rear cover member 18 constituting the back of the body cover 11, and the head lamps 13, 14, front winkers 16, 17 and rear combination

lamps 21, 22 use LEDs (light emitting diodes) as light
sources.
[0023]
In the figure, 31 represents a wind shield provided on the top of the front cover 12; 32 a handlebar; 33 a front fork to be steered by the handlebar 32; 34 a front wheel fitted to the bottom of the front fork 33; 36 a disc brake for the front wheel; 37 a floor step on which the rider rests his/her feet; 41 a tandem seat; 42, 42 (only numeral 42 on the nearer side is shown) a pair of left and right grab rails located inside the rear cover member 18; 43, 43 (only numeral 43 on the nearer side is shown) openings through which hands are inserted to reach the grab rails 42, 42; 44 a pivot shaft provided on a body frame (not shown); 45 a swing arm swingably fitted to the pivot shaft 44; 46 a rear wheel fitted to the rear end of the swing arm 45; 47 a drive shaft which transmits power from a power unit (not shown) to the rear wheel 46; 48 a disc brake for the rear wheel; 51 a rear fender which covers the top of the rear wheel 46; and 52 a stand. [0024]
Fig.2 is a front view of a vehicle according to the present invention where the headlamps 13, 14 of the vehicle 10 are located on the left and right of an opening made in the front cover 12 and the front winkers 16, 17 are located on lateral protrusions 62, 63 on the left and right of the front cover 12, above the headlamps 13, 14. [0025]

In the figure, 66 represents a front lower cover which is located below the front cover 12 and is a constituent of the body cover 11 and 67 represents an opening in the front of the front lower cover 66-Th e openings 61, 67 are intended to take air into the body cover 11 during a run and the trapped air is used, for example, to promote heat radiation of the power unit. [0026]
Fig.3 is a back view of a vehicle according to the present invention showing that a display unit 73 composed of a meter 71 and an EL (Electro-Luminescence) indicator 72 is located behind the wind shield 31 and ahead of the handlebar 32 and the lateral protrusions 62, 63 cover the front of grips 74, 76 at the left and right ends of the handlebar 32 and the rear combination lamps 21, 22 are located on the left and right of the rear cover member 18. [0027]
The rear combination lamps 21, 22 each have the functions as a tail lamp, a stop lamp, and a rear winker.
In the figure, 81 represents a clutch lever; 82 a front brake lever; and 83 an exhaust system muffler. [0028]
The detailed structure of the vehicle 10 will be described next.
Fig.4 is an external view of a vehicle according to the present invention where the body cover 11, partially covering the vehicle 10, also functions as a cowl member and is fitted to the body frame (not shown) and includes: a

body cover member 202 covering the area from its front to its back; a leg path cover member 203 located below a leg path space through which the rider passes his/her leg when riding or dismounting; and a rear cover member 18 which is located behind and above the body cover member 202 and covers the bottom of a tandem seat 41. [0029]
Since a surface 18a of the rear cover member 18 is smoothly continuous with a surface 202a of the back 202c of the body cover member 202 when viewed from side, the rear cover member 18 and the back 202c of the body cover member 202 look one united body when the tandem seat 41 is closed, and can be considered to constitute a seat cowl 206 for the vehicle as a whole. [0030]
Therefore, the rear cover member 18 can be considered as an upper seat cowl 207 and the back 202c of the body cover member 202 can be considered as a lower seat cowl 208,
Here, 211 represents a chipping guard covering a sliding part of the front fork 33; 212 a drive shaft cover covering the drive shaft 47 (see Fig.l); 213 the axle of a front wheel 34; 214 and 216 treadle parts at the front and rear edges of a change pedal; 217 the axle of the rear wheel 46; and 218 a'drive case which connects the drive shaft 47 (see Fig.l) and the rear wheel 46. [0031]
Fig.5 is a back side view of a vehicle according to the present invention where the tandem seat 41 is divided

into a rider seat 221 and a pillion 222 and the pillion 222 can be opened or closed independently of the rider seat 221.
The left and right rear combination lamps 21, 2 2 (only numeral 21 on the nearer side is shown) are located behind the openings 43, 43 (only numeral 43 on the nearer side is shown) provided between the upper seat cowl 207 and the lower seat cowl 208. [0032]
Generally, a rear combination lamp is housed in a dent made in a rear cowl. For this reason, the rear cowl tends to be complicated in shape and expensive.
In this respect, according to the present invention, since the rear combination lamps 21, 22 are located in the openings 43, there is no need to make a dent in the seat cowl 206; and even if a dent is made, a shallow dent may be enough. Consequently, the shape of the seat cowl 206 is simple and the manufacturing cost for the body cover 11 including the seat cowl 206 can be reduced. [0033]
How the pillion 222 works will be described next.
Fig.6 is a functional view showing how a pillion according to the present invention works, where the pillion 222 is independent of the rider seat 221 and can be opened and closed by means of a hinge 224.
If a tandem seat is a seat which integrates a rider seat and a pillion continuous with it, the tandem seat may be large and heavy. [0034]

In this respect, the present invention uses the tandem seat 41 in which the rider seat 221 and the pillion 222 are separated.
Consequently the pillion 222 is small and lightweight and thus can be opened and closed very easily. [0035]
Fig.7 is a perspective back view of a vehicle according to the present invention (the pillion 222 is open) and the back of the vehicle 10 includes: a storage part 231 for housing articles which is located in the back of the body; a pillion 222 which covers the storage part 231 in a way to be able to be opened or closed; a lower seat cowl 208 which constitutes a part of a seat cowl covering the bottom of the pillion 222; and grab rails 42, 42 for a passenger to grab, provided on the back of the body frame.
In this embodiment, the storage part 231 can house two helmets. [0036]
Fig.8 is an external view of a vehicle according to the present invention as viewed from back where an open/close switch 241 for opening or closing the pillion 222 is provided on the rear end 20 6b of the seat cowl 206.
Since the open/close switch 241 for opening or closing the pillion 222 is provided on the rear end 206b of the seat cowl 206, the pillion 222 can be opened or closed on both sides of the vehicle 10. This improves handling ease of the pillion 222 in opening or closing it.

[0037]
Fig.9 is a front view of a headlamp according to the present invention where a headlamp 13 includes a low beam lamp 101 located in an upper portion, a high beam lamp 102 located under the low beam lamp 101, a position lamp 103 (detailed later) located around the low beam lamp 101 and the high beam lamp 102, a housing 104 supporting and housing these, and a transparent lens 105 attached to the front of the housing 104.
The low beam lamp 101 includes a plurality of projector lamps 107 and the high beam lamp 102 includes one projector lamp 108. [0038]
Fig.10 is a perspective view of a headlamp according to the present invention where the high beam lamp 102 has three light guides 111-113 on a side wall 109 and when the high beam lamp 109 is lit, part of its light is used to let them emit light. [0039]
Fig.11 is a side view of a headlamp according to the present invention, showing that the high beam lamp 102 is in a more forward position than the low beam lamp 101 along the inclination of the lens 105 and part of the low beam lamp 101 and part of the high beam lamp 102 are made visible from sideward to improve the appearance. [0040]
Fig.12 is a sectional view of a projector lamp included in a low beam lamp according to the present

invention, taken vertically.
The projector lamp 107 includes: a sub-housing 116 located in the housing 104 Csee Fig.9), a reflector 117 located inside the sub-housing 116, a support 118 fixed on the center of the back of the reflector 117, an LED fixed on the front of the support 118, a convex lens 121 fixed on the front end of the sub-housing 116 in front of the LED 120, and a light shielding plate (not shown) to distribute light so as to prevent a driver of an oncoming vehicle from being dazzled, and thanks to the reflector 117 having an elliptical or complex elliptical reflective surface and the convex lens 121, it is compact and has a high ability to focus light and can illuminate a distant place brightly. 123 and 124 represent conductive wires which supply electric power to the LED 121.
The low beam lamp 101 (see Fig.9) uses a plurality of projector lamps 107 as mentioned above (four lamps in this embodiment) and can illuminate a wide area ahead of the vehicle brightly. [0041]
Fig.13 is a sectional view of a high beam lamp according to the present invention, taken almost vertically.
The high beam lamp 102 includes: a sub-housing 131 located in the housing 104 (see Fig.9), a reflector 132 located inside the sub-housing 131, a halogen lamp 133 as a light source fixed on the center of the back of the reflector 132, a convex lens 134 fixed on the front end of the sub-housing 131 in front of the halogen lamp 133, and a

light shielding plate (not shown) to distribute light so as to prevent a driver of an oncoming vehicle from being dazzled, with transparent light guides 111-113 (only numerals 111 and 113 are shown) attached to the sub-housing 131. 136, 136 represent terminals of the halogen lamp 133; 137 represents a connector connected to the terminals 136, 136; and 138 and 139 represent conductive wires which supply electric power to the halogen lamp 133 thorough the socket 137. [0042]
The light guide 111 includes an inner light guide part 142 inserted in the sub-housing 131 and an outer light guide part 143 formed integrally with the inner light guide part 142.
The light guide 112 (see Fig.9) is structurally the same as the light guide 111 and description thereof is omitted here.
The light guide 113 includes an inner light guide part 146 inserted in the sub-housing 131 and an outer light guide part 14 7 formed integrally with the inner light guide part 146, with a front angular part 148 of the outer light guide part 147 extending below the convex lens 134 . [0043]
Fig.14 is an exploded perspective view of the characteristic part of a high beam lamp according to the present invention showing that the high beam lamp 102 includes a sub-housing 131 and a convex lens 134 and structurally includes a rear body 151 attached to the

housing 104 (see Fig.4) and a front body 152 coupled with the front of the rear body 151 where a light guide assembly 154 combining the light guide 111 and the light guide 112, and the light guide 113 are attached between the rear body 151 and the front body 152.
The inner light guide part 142 of the light guide 111 and light guide 112 constitutes part of a ring. [0044]
Figs.l5A and 15B are explanatory views of a position lamp according to the present invention.
Fig.l5A is a front view of a position lamp 103 showing that an acrylic light guide 161 is provided in the area of the headlamp 13 except the low beam lamp 101 and the high beam lamp 102 and a plurality of LEDs 162 are located behind the light guide 161 to make up a position lamp 103. In the figure, the contour of the light guide 161 is indicated by bold line.
The position lamp 103 is intended to notify people and other vehicles ahead of the vehicle of the presence of the vehicle and its body width in the evening or at night; since the position lamp 103 according to the present invention has a larger light-emitting area, the visibility is improved. [0045]
Fig.l5B is a sectional view of the position lamp 103, taken almost vertically.
The light guide 161, which is colored, for example, opaque white, easily diffuses light.

The LEDs 162 are fixed on the front surface 104a of the housing 104 parts of which are vertically stepped. [0046]
How the light guides 111-113 of the headlamp 13 work will be described next.
Figs.l6A and 16B are functional views showing how light guides according to the present invention work.
In Fig.l6A, as indicated by arrows A and B, as the halogen lamp 133 is lit, light emitted from the filament is reflected by the reflector 132 and focused on a focal point; then it is refracted by the convex lens 134 and goes forward of the vehicle. [0047]
As indicated by arrow C, part of the light from the halogen lamp 133 goes inside the inner light guide part 142 of the light guide 111 and light guide 112 (not shown) to let the light guide 111 and light guide 112 emit light. [0048]
In addition, as indicated by arrow D, part of the light from the halogen lamp 133 goes inside the inner light guide part 146 of the light guide 113 to let the light guide 113 emit light. In addition, as indicated by arrow E, part of the light inside the convex lens 134 enters the light guide 113 through its front angular part 148 and lets the light guide 113 emit light. Therefore, the light guide 113 can emit 'light more brightly.
Since light which contributes to light emission of the light guides 111-113 is different from light which

illuminates an area ahead of the vehicle, the brightness of the high beam lamp 102 is ensured.
[0049]
Fig.16B is a front view of the light guides 111-113 emitting light.
The three light guides 111-113 shine dimly around the convex lens 134 emitting light brightly, so that the visibility is improved and a novel impression is given in terms of appearance. [0050]
How the position lamp 103 works will be described next.
Figs.l7A and 17B are functional views showing how a position lamp according to the present invention works.
In Fig.17A, as each LED 162 is lit, light from the LED 162 is diffused by the light guide 161 and emitted. [0051]
Fig.l7B shows the position lamp 103 emitting light (cross hatching in the figure represents a light emitting area). Since the wide area of the headlamp 13 except the low beam lamp 101 and the high beam lamp 102 emits light almost uniformly, the visibility is further increased. [0052]
As illustrated in Figs.2, 9 and 10, firstly the present invention is characterized in that in a vehicle with headlamps 13, 14 which use LEDs 120 as light sources, a low beam lamp 101 has a plurality of projector lamps 107 as first projector lamps with LEDs 120 as light sources and

a high beam lamp 102 has at least one projector lamp 108 as
a second projector lamp.
[0053]
The projector lamps 107 focus light from the LEDs 120 on a small spot and illuminate a distant place ahead of the vehicle brightly and due to the presence of the plural projector lamps 107, a wide area ahead of the vehicle can be illuminated. [0054]
Secondly the present invention is characterized in that the housing 104 for the high beam lamp 102 has a plurality of light guides 111-113 which guide part of light from light sources outside.
The visibility of the headlamps 13, 14 is further increased by letting the light guides 111-113 emit light and also the appearance can be improved by the design of the light guides 111-113. [0055]
Thirdly the present invention is characterized in that the low beam lamp 101 is located in an upper portion and the high beam lamp 102 is located in a lower portion.
Since the low beam lamp, which stays on, is in an upper position, the visibility of the headlamps 13, 14 is increased and a wider road surface is illuminated. [0056]
Fourthly the present invention is characterized in that a position lamp 103 including a plurality of LEDs 162 and flat plate light guides 161 located in front of the

LEDs 162 is provided in the headlamps 13, 14, as shown in
Figs.2, 15A and 15B.
[0057]
Since the light guide 161 diffuses light from the plural LEDs 162 to let the whole light guide 161 emit light, the visibility is increased. Also, the headlamps 13, 14 can have a novel appearance. [0058]
Fifthly the present invention is characterized in that as shown in Fig.13, the light guides 111-113 have inner light guide parts 142, 142, 146 (only numeral 142 on one side is shown) in the sub-housing 131 and outer light guide parts 143, 143, 147 (only numeral 143 on one side is shown) formed integrally with the inner light guide parts
142, 142, 146 .
[0059]
Therefore, light from the halogen lamp 133 as a light source inside the sub-housing 131 is smoothly guided from the inner light guide parts 142, 142, 146 to the outer light guide parts 143, 143, 147, enabling the light guide parts 143, 143, 147 to emit light effectively. [0060]
Sixthly the present invention is characterized in that as shown in Figs.9 and 13, the outer light guide parts
143, 143, 147 are stays for the high beam lamp 102.
Therefore, the stays support the high beam lamp 102 and the light guides 111-113 are also used as stays, which eliminates the need for a special stay to support the high

beam lamp 102 and decreases the number of components to
reduce cost.
[0061]
Seventhly the present invention is characterized in that as shown in Figs.13 and 16, the outer light guide parts 143, 143, 147 have a front angular part 148 which guides light from the high beam lamp 102 for forward illumination. [0062]
Therefore, due to light for forward illumination, together with light guided from inside the sub-housing 131, the outer light guide parts 143, 143, 147 emit light more brightly. [0063]
Eighthly the present invention is characterized in that as shown in Fig.2, the headlamps 13, 14 take the form of an ellipse extending above backward, the low beam lamp 101 is located in an outer upper position and the high beam lamp 102 is located in an inner lower position.
Therefore, the low beam lamp 101 can be located in a position which is higher and more outward in the body width direction and thus the visibility of the low beam lamp 101 can be further increased. [0064]
Although a halogen lamp 133 is used as a light source for the high beam lamp 102 in this embodiment as shown in Fig.13, the present invention is not limited thereto and an LED or high-intensity discharge lamp (HID lamp) may be used

instead. In this case, it is desirable that that LED should have a higher intensity than the LED 120 for the low beam lamp (see Fig.12). [Industrial Applicability] [0065]
The headlamp structure according to the present invention is suitable for motorcycles. [Brief Description of the Drawings] [0066]
[Fig.l] is a side view of a vehicle with a headlamp structure according to the present invention.
[Fig.2] is a front view of a vehicle according to the present invention.
[Fig.3] is a back view of a vehicle according to the present invention.
[Fig.4] is an external view of a vehicle according to the present invention.
[Fig.5] is a back side view of a vehicle according to the present invention.
[Fig.6] is a functional view-showing how a pillion according to the present invention works.
[Fig.7] is a perspective back view of a vehicle according to the present invention.
[Fig.8] is an external view of a vehicle according to the present invention as seen from back.
[Fig.9] is a front view of a headlamp according to the present invention.
[Fig.10] is a perspective view of a headlamp

according to the present invention.
[Fig.11] is a side view of a headlamp according to the present invention.
[Fig.12] is a sectional view of a projector lamp with a low beam lamp according to the present invention.
[Fig.13] is a sectional view of a high beam lamp according to the present invention.
[Fig.14] is an exploded perspective view of the characteristic part of a high beam lamp according to the present invention.
[Figs.15] are explanatory views of a position lamp according to the present invention.
[Figs.16] are functional views showing how light guides according to the present invention work.
[Figs.17] are functional views showing how a position lamp according to the present invention works. [Description of Reference Numerals] [0041]
10...Vehicle 13, 14...Headlamp 101...Low beam lamp 102 ... High beam lamp 103...Position lamp 107, 108 ... Projector lamp 111-113...Light guide 120...LED
131...Housing ( sub-housing) 142, 146...Inner light guide part

143, 147...Outer light guide part 148...Front angular part 161...Light guide







[Document Name] Scope of Claims [Claim 1]
A headlamp structure for a vehicle with a headlamp which uses LEDs as light sources, wherein:
a low beam lamp has a plurality of first projector lamps which use the LEDs as light sources; and
a high beam lamp has at least one second projector ■ lamp. [Claim 2]
The headlamp structure for a vehicle according to Claim 1, wherein a housing for the high beam lamp has a plurality of light guides which guide part of light from a light source outgide. [Claim 3]
The headlamp structure for a vehicle according to Claim 1 or 2, wherein the low beam lamp is located in an upper position and the high beam lamp is located under the low beam lamp. [Claim 4]
The headlamp structure for a vehicle according to Claim 1, 2 or 3, wherein a position lamp comprising a plurality of LEDs and flat plate light guides located in front of the LEDs is provided in the headlamp. [Claim 5]
The headlamp structure for a vehicle according to Claim 2, wherein the light guide has an inner light guide part located in a sub-housing and an outer light guide part formed integrally with the inner light guide part.

[Claim 6]
The headlamp structure for a vehicle according to Claim 5, wherein the outer light guide part is a stay for the high beam lamp. [Claim 7]
The headlamp structure for a vehicle according to Claim 5 or 6, wherein the outer light guide part has a front angular part which guides light from the high beam lamp for forward illumination. [Claim 8]
The headlamp structure for a vehicle according to any of Claims 1 to 7, wherein the headlamp takes the form of an ellipse extending above backward, the low beam lamp is located in an outer upper position and the high beam lamp is located in an inner lower position.


Documents:

1823-che-2006 complete specification as granted.pdf

1823-CHE-2006 CORRESPONDENCE OTHERS.pdf

1823-CHE-2006 CORRESPONDENCE PO.pdf

1823-CHE-2006 FORM 18.pdf

1823-che-2006-abstract image.jpg

1823-che-2006-abstract.pdf

1823-che-2006-claims.pdf

1823-che-2006-correspondnece-others.pdf

1823-che-2006-description(complete).pdf

1823-che-2006-drawings.pdf

1823-che-2006-form 1.pdf

1823-che-2006-form 26.pdf

1823-che-2006-form 3.pdf

1823-che-2006-form 5.pdf

EXAMINATION REPORT REPLY.PDF


Patent Number 238346
Indian Patent Application Number 1823/CHE/2006
PG Journal Number 6/2010
Publication Date 05-Feb-2010
Grant Date 29-Jan-2010
Date of Filing 03-Oct-2006
Name of Patentee HONDA MOTOR CO., LTD
Applicant Address 1-1, MINAMI-AOYAMA 2-CHOME, MINATO-KU, TOKYO 107-8556
Inventors:
# Inventor's Name Inventor's Address
1 KOGO, SATOSHI C/O HONDA R&D CO, LTD, 4-1, CHUO I-CHOME, WAKO-SHI, SAITAMA 351-0193
2 OHASHI, HAYATO C/O HONDA R&D CO, LTD, 4-1, CHUO I-CHOME, WAKO-SHI, SAITAMA 351-0193, JAPAN
PCT International Classification Number F21S 8/10
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 2005/293059 2005-10-05 Japan