JP4107527B2 - Motorcycle headlights - Google Patents

Motorcycle headlights Download PDF

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Publication number
JP4107527B2
JP4107527B2 JP21900398A JP21900398A JP4107527B2 JP 4107527 B2 JP4107527 B2 JP 4107527B2 JP 21900398 A JP21900398 A JP 21900398A JP 21900398 A JP21900398 A JP 21900398A JP 4107527 B2 JP4107527 B2 JP 4107527B2
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JP
Japan
Prior art keywords
vehicle body
movable
reflecting portion
movable hood
light distribution
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 - Fee Related
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JP21900398A
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Japanese (ja)
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JP2000057811A (en
Inventor
直史 野村
浩一 永野
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Stanley Electric Co Ltd
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Stanley Electric Co Ltd
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Filing date
Publication date
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Priority to JP21900398A priority Critical patent/JP4107527B2/en
Publication of JP2000057811A publication Critical patent/JP2000057811A/en
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Publication of JP4107527B2 publication Critical patent/JP4107527B2/en
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  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は二輪自動車(オートバイ)用の前照灯に関するものであり、詳細には二輪自動車特有の動作である旋回時に車体が傾くと同時に前照灯も傾き、これにより生じる配光特性の不具合を補正する機構が設けられている前照灯に係るものである。
【0002】
【従来の技術】
従来のこの種の二輪自動車用前照灯の構成の例としては、例えば、特開平4−331678号公報に示されるように、反射鏡の一部に可動リフレクタを設けておき、車体に設けられた傾斜センサなどからの出力によりソレノイドなど駆動部で可動リフレクタを駆動することで、一部の光線の向きを変え配光特性の補正を行うものである。
【0003】
【発明が解決しようとする課題】
しかしながら、前記した従来の構成の二輪自動車用前照灯においては、可動リフレクタを駆動するときのストロークに比較的に大きな寸法が必要であるのと、可動のための機構部などが必要となり可動部の重量が増加するのとで、ソレノイドなど駆動部としては大型の駆動力の強力なものが要求され、前照灯全体としてはコストアップが避けられない問題点を生じている。
【0004】
同時に、反射鏡を固定部と可動リフレクタとに分割して形成しなければならず、上記したように構成が煩雑化すると共に、固定部と可動リフレクタとの間に隙間を生じるなどして、レンズ面から覗き込むときには観視者に違和感を生じさせるという美観上の問題点も生じるものとなり、これらの点の解決が課題とされるものとなっていた。
【0005】
【課題を解決するための手段】
本発明は、前記した従来の課題を解決するための具体的な手段として、可動部が設けられ、車体に傾斜を生じたときには前記可動部を駆動することで配光特性を補正する構成とされた二輪自動車用前照灯において、前記二輪自動車用前照灯は、主反射部と右反射部と左反射部とが設けられて固定が行われた反射鏡と、固定された固定フード部に付随して設けられ、車体に傾斜を生じないときには前記右反射部と左反射部とを遮蔽し、車体に傾斜を生じ対応する一方が駆動されたときには前記右反射部と左反射部との対応する側に光を与える右可動フード部と左可動フード部とから構成されていることを特徴とする二輪自動車用前照灯を提供することで課題を解決するものである。
【0006】
【発明の実施の形態】
つぎに、本発明を図に示す実施形態に基づいて詳細に説明する。図1〜図4に符号1で示すものは本発明に係る二輪自動車用前照灯であり、この二輪自動車用前照灯1においても、旋回時などの車体の傾斜時において生じる配光特性の不具合を、可動部を設けることで解消を図るものである点は従来例のものと同様である。尚、以下の説明において前後、左右、上下などの方向は運転席から見る状態を基準とする。
【0007】
ここで、本発明においては、従来は光源2からの直射光を遮蔽するのを主目的とされていたフード3に可動部としての右可動フード部3aと左可動フード部3bとを設けるものであり、この左右の両可動フード部3a、3bは固定フード部3cに適宜範囲で回動自在とするように軸3dにより軸支されている。
【0008】
そして、軸3dの反対側の端部にはソレノイドなど適宜な駆動部4が設けられ、この駆動部4を駆動することにより、図2に示すように、前記右可動フード部3aと左可動フード部3b(図示は右可動フード部3aの例である)は軸3dを中心とする回動を行い、その大部分が固定フード部3c内に収納されるものとされている。
【0009】
前記二輪自動車用前照灯1の反射鏡5には、右反射部5aと左反射部5bと主反射部5cとが形成されていて、駆動が行われないときには前記右可動フード部3aは光源2からの光が右反射部5aに達するのを遮蔽し、同様に左可動フード部3bは左反射部5bを遮蔽するものとされている。
【0010】
従って、両可動フード部3a、3bが何れも駆動されないときには、光源2からの光は主反射部5cのみに達する(図1参照)ものとされ、この主反射部5cからの反射光はレンズ(図示は省略する)で適宜に拡散が行われて、車体が傾斜していないときのすれ違い配光を形成するものとされている。
【0011】
そして、例えば右可動フード部3aに対し駆動が行われると、この右可動フード部3aは固定フード部3c内に収納される(図2参照)ものとなり、光源2からの光が右反射部5aに達するものとなる、尚、この実施形態においては右旋回を行い車体が右に傾斜するときには、左可動フード部3bが駆動されて左反射部5bに光が達するものとなり、このときに左反射部5bは車体の右方向に向かう反射光を生じるものとされている。
【0012】
図3は上記フード3を、前記二輪自動車用前照灯1の車両への取付状態における上方から見る状態で示すものであり、右可動フード部3aと左可動フード部3bとはこの状態で前記光源2を通る中心線に沿い分離され、ここでの図示は省略するがそれぞれにソレノイドなどの駆動部4が設けられて個別に駆動が行えるものとされている。
【0013】
図4は前記反射鏡5を前方正面から見る状態で示すものであり、主反射部5cの上方には右反射部3aと左反射部3bとが設けられている。尚、図示は前方正面から見る状態で示すものであるので、運転席側から見る状態とは左右が反対となっている。
【0014】
次いで、上記の構成とした本発明の二輪自動車用前照灯1の作用および効果について説明する。図5に示すものは左旋回により車体が左に40°傾き、これにより右可動フード部3aが駆動されて右反射部5aからの反射光を生じたときの配光特性の例であり、主反射部5cからのすれ違い配光H1も左下がりに40°傾くものとなっている。
【0015】
従って、これから進入しようとする左前方の路面には全く光は到達せず照明が行われることはないものとなる。そこで、本発明では前記右反射部5aからの反射光を車体が傾かない状態ですれ違い配光H1の上方左寄りに向かわせるものであり、このようにすることで車体が左側に傾いた状態では前記右反射部5aからの反射光は左前方の路面を照射するものとなる左旋回用配光H2となる。
【0016】
図6は、図5に示したすれ違い配光H1と左旋回用配光H2とによる実際の走行時における路面の照射状態を示す説明図であり、前記すれ違い配光H1は上記にも説明したように左下がりとなり、車両の正面から右寄りの路面を照射するものとなり、これに対して左旋回用配光H2はすれ違い配光H1から枝別れする状態で左前方の路面を照射するものとなり、よって、これから進入する路面の確認が行えるものとなる。
【0017】
また、同様に右旋回のときには左可動フード部3bが駆動されて左反射部5aからの反射光を生じ右旋回用配光(図示は省略する)が得られるものとなる。尚、このときに、本発明では図7に示すように、車体の正立時において車両の略正面と成るポイントから上方に左右各20°で拡がる扇形の範囲Dよりも外側を照射するものとされ、更に好ましくは範囲Eで示す部位を照射するものとして対向車などに対する眩惑光を生じないものとしている。
【0018】
ここで、再び図1、図2を参照して本発明の構成としたときの作用、効果について考察してみると、従来例のものが部分的であるとはいえ比較的に大型である反射鏡を移動させていたのに対し、本発明ではフードの一部分、即ち、両可動フード部3a、3bを移動させるものであるので、移動させる対称物の質量が格段に小さく、よって、駆動部4も小出力のもので良いものとなる。
【0019】
加えて、従来例の反射鏡の一部を可動させる構成では、所望する配光特性を得るためには前記駆動部に相当量のストロークが必要とされていたが、本発明の構成では、両可動フード部3a、3bの移動のために駆動部4に要求されるストロークは格段に小さく、この点でも駆動部4の小型化が可能となる。
【0020】
更に、従来例の構成では、移動が行われる反射鏡(の一部)をもって、旋回用配光を得るものであるので、反射鏡の移動量に精度が要求されるものとなるが、本発明によれば、移動が行われる両可動フード部3a、3bは、予めに旋回用配光が設定されている両反射部5a、5bを遮蔽するか否かの作用を行えば良いものであるので、それ程に精度が要求されることはなく、構成が簡素化する。
【0021】
図8に示すものは、本発明の別の実施形態であり、前の実施形態では右反射面5aと左反射面5bとは主反射面5cの上方に設けられるものとされていたが、本発明はこれを限定するものではなく、図示のように主反射面5cの左右に右反射面5aと左反射面5bとを分離して設けても良いものであり、このときには、前記両可動フード部3a、3bおよび固定フード部3cの形状も上記反射面に対応し適宜に変更すれば良いものとなる。
【0022】
図9に示すものは、本発明の更に別の実施形態であり、上記の実施形態では両可動フード部3a、3bはソレノイドなど、二位置にのみに移動を行う駆動部4で駆動を行うものとして説明を行ったが、本発明はこれも限定するものではなく、例えばステッピングモータ6aと減速歯車6bとによる駆動部6としても良い。
【0023】
この場合には、例えば、車体に生じる傾斜の度合いに応じて、徐々に右可動フード部3a(あるいは、左可動フード部3b)を可動させて行けば、右反射面5a(あるいは、左反射面5b)に光が達する面積も次第に拡がるものとなる。よって、右反射面5a(左反射面5b)の当初に光が達する部位には、比較的に大きな回転半径の曲路に対応する旋回用配光を割り付けておき、以下、次第に小さな回転半径の曲路に対応するものとしておけば、車体の傾きの度合いに旋回用配光も対応するものとなり、一層に現実の二輪自動車の走行に適するものとすることができる。
【0024】
【発明の効果】
以上に説明したように本発明により、主反射部と右反射部と左反射部とが設けられて固定が行われた反射鏡と、固定された固定フード部に付随して設けられ、車体に傾斜を生じないときには前記右反射部と左反射部とを遮蔽し、車体に傾斜を生じ対応する一方が駆動されたときには前記右反射部と左反射部との対応する側に光を与える右可動フード部と左可動フード部とから構成されている二輪自動車用前照灯としたことで、格段に軽量で且つ移動量も小さい部位である右可動フード部および左可動フード部を駆動することで旋回用配光が得られるものとして、駆動部の小型化を可能とし、また、上記両可動フード部を駆動することで精度もそれ程に要求されないものとし、以て、この種の二輪自動車用前照灯の構成の簡素化を可能としてコストダウンに極めて優れた効果を奏するものである。
【図面の簡単な説明】
【図1】 本発明に係る二輪自動車用前照灯の実施形態を要部で示す断面図である。
【図2】 同じ実施形態の可動フード部が駆動された状態を示す説明図である。
【図3】 同じ実施形態の要部の上面図である。
【図4】 同じ実施形態の要部の正面図である。
【図5】 本発明に係る二輪自動車用前照灯による旋回用配光の形成状態を示すグラフである。
【図6】 同じく旋回用配光の路面の照射状態を示す説明図である。
【図7】 本発明により旋回用配光を形成する範囲を示すグラフである。
【図8】 同じく本発明に係る二輪自動車用前照灯の別の実施形態を要部で示す正面図である。
【図9】 同じく本発明に係る二輪自動車用前照灯の更に別の実施形態を要部で示す説明図である。
【符号の説明】
1……二輪自動車用前照灯
2……光源
3……フード
3a……右可動フード部
3b……左可動フード部
3c……固定フード部
3d……軸
4、6……駆動部
5……反射鏡
5a……右反射部
5b……左反射部
5c……主反射部
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a headlight for a two-wheeled motor vehicle (motorcycle). Specifically, the headlight tilts at the same time as the vehicle body tilts when turning, which is a characteristic operation of a two-wheeled motor vehicle, and the light distribution characteristic caused by this tilts. The present invention relates to a headlamp provided with a correcting mechanism.
[0002]
[Prior art]
As an example of the configuration of this type of conventional headlamp for a two-wheeled vehicle, for example, as shown in Japanese Patent Laid-Open No. 4-331678, a movable reflector is provided in a part of a reflecting mirror and is provided on a vehicle body. By driving the movable reflector with a drive unit such as a solenoid by the output from the tilt sensor or the like, the direction of some of the light rays is changed and the light distribution characteristics are corrected.
[0003]
[Problems to be solved by the invention]
However, in the headlight for a two-wheeled vehicle having the above-described conventional configuration, a relatively large dimension is necessary for a stroke when driving the movable reflector, and a movable mechanism is required because of a movable mechanism. As the weight of the head increases, a driving unit such as a solenoid is required to have a large driving force and a problem of inevitable cost increase for the entire headlamp.
[0004]
At the same time, it is necessary to divide the reflecting mirror into a fixed part and a movable reflector, which complicates the structure as described above, and creates a gap between the fixed part and the movable reflector. When looking into the screen, an aesthetic problem of causing the viewer to feel uncomfortable arises, and the solution of these points has been a problem.
[0005]
[Means for Solving the Problems]
The present invention has a configuration in which a movable part is provided as a specific means for solving the above-described conventional problems, and the light distribution characteristic is corrected by driving the movable part when the vehicle body is inclined. In the two-wheeled vehicle headlamp, the two-wheeled vehicle headlamp is provided with a main reflector, a right reflector, and a left reflector, and a fixed mirror and a fixed fixed hood. Provided as an accessory, shields the right reflecting portion and the left reflecting portion when the vehicle body is not inclined, and corresponds to the right reflecting portion and the left reflecting portion when the corresponding one is driven when the vehicle body is inclined. The problem is solved by providing a headlamp for a two-wheeled vehicle characterized by comprising a right movable hood portion and a left movable hood portion that give light to the side to be operated.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Below, this invention is demonstrated in detail based on embodiment shown in a figure. 1 to 4 shows a two-wheeled vehicle headlamp according to the present invention. The two-wheeled vehicle headlamp 1 also has a light distribution characteristic that occurs when the vehicle body is tilted such as when turning. The problem is solved by providing a movable part in the same way as the conventional example. In the following description, directions such as front and rear, left and right, and up and down are based on the state seen from the driver's seat.
[0007]
Here, in the present invention, the right movable hood portion 3a and the left movable hood portion 3b as movable portions are provided on the hood 3 which has been mainly intended to shield direct light from the light source 2 conventionally. The left and right movable hood portions 3a and 3b are pivotally supported by a fixed hood portion 3c by a shaft 3d so as to be rotatable within an appropriate range.
[0008]
An appropriate drive unit 4 such as a solenoid is provided at the opposite end of the shaft 3d. By driving the drive unit 4, the right movable hood unit 3a and the left movable hood as shown in FIG. The portion 3b (illustrated is an example of the right movable hood portion 3a) rotates around the shaft 3d, and most of the portion 3b is accommodated in the fixed hood portion 3c.
[0009]
The reflecting mirror 5 of the two-wheeled vehicle headlamp 1 is formed with a right reflecting portion 5a, a left reflecting portion 5b, and a main reflecting portion 5c. When the driving is not performed, the right movable hood portion 3a is a light source. 2 is shielded from reaching the right reflecting portion 5a, and the left movable hood portion 3b is similarly shielded from the left reflecting portion 5b.
[0010]
Therefore, when neither of the movable hood portions 3a, 3b is driven, the light from the light source 2 reaches only the main reflection portion 5c (see FIG. 1), and the reflected light from the main reflection portion 5c is a lens ( It is assumed that the light is diffused appropriately to form a passing light distribution when the vehicle body is not tilted.
[0011]
For example, when the right movable hood portion 3a is driven, the right movable hood portion 3a is accommodated in the fixed hood portion 3c (see FIG. 2), and the light from the light source 2 is reflected to the right reflecting portion 5a. In this embodiment, when the vehicle turns right and the vehicle body tilts to the right, the left movable hood portion 3b is driven and light reaches the left reflecting portion 5b. The reflecting portion 5b generates reflected light that goes in the right direction of the vehicle body.
[0012]
FIG. 3 shows the hood 3 as seen from above when the two-wheeled vehicle headlamp 1 is attached to the vehicle. The right movable hood portion 3a and the left movable hood portion 3b are shown in FIG. They are separated along a center line passing through the light source 2, and although not shown here, each is provided with a drive unit 4 such as a solenoid so that it can be driven individually.
[0013]
FIG. 4 shows the reflecting mirror 5 as viewed from the front front, and a right reflecting portion 3a and a left reflecting portion 3b are provided above the main reflecting portion 5c. In addition, since illustration shows in the state seen from the front front, the state seen from the driver's seat side is opposite.
[0014]
Next, operations and effects of the two-wheeled vehicle headlamp 1 of the present invention configured as described above will be described. FIG. 5 shows an example of light distribution characteristics when the vehicle body is tilted 40 ° to the left by turning left, and the right movable hood portion 3a is driven to generate reflected light from the right reflecting portion 5a. The passing light distribution H1 from the reflecting portion 5c is also inclined by 40 ° to the left.
[0015]
Accordingly, no light reaches the road surface on the left front which is about to enter, and no illumination is performed. Therefore, in the present invention, the reflected light from the right reflecting portion 5a is directed to the upper left side of the light distribution H1 in a state where the vehicle body does not tilt. The reflected light from the right reflecting portion 5a becomes a left-turning light distribution H2 that irradiates the left front road surface.
[0016]
FIG. 6 is an explanatory view showing an irradiation state of the road surface during actual traveling by the passing light distribution H1 and the left-turning light distribution H2 shown in FIG. 5, and the passing light distribution H1 is as described above. The left turn light distribution H2 irradiates the road surface on the left front side in a state of branching from the low light distribution H1. In this way, the road surface to be entered can be confirmed.
[0017]
Similarly, when turning right, the left movable hood portion 3b is driven to generate reflected light from the left reflecting portion 5a to obtain right turning light distribution (not shown). At this time, in the present invention, as shown in FIG. 7, when the vehicle body is upright, the outside is irradiated from the fan-shaped range D that extends 20 degrees upward and leftward from a point that is substantially in front of the vehicle. Further, it is more preferable that the portion indicated by the range E is irradiated so as not to cause dazzling light on the oncoming vehicle.
[0018]
Here, referring again to FIG. 1 and FIG. 2, when considering the operation and effect of the configuration of the present invention, the reflection of the comparative example is relatively large although the conventional example is partial. In contrast to the movement of the mirror, in the present invention, a part of the hood, that is, the movable hood portions 3a and 3b are moved, so that the mass of the symmetrical object to be moved is remarkably small. Also, a small output can be used.
[0019]
In addition, in the configuration in which a part of the reflecting mirror of the conventional example is movable, a considerable amount of stroke is required for the drive unit in order to obtain a desired light distribution characteristic. The stroke required for the drive unit 4 for the movement of the movable hoods 3a and 3b is remarkably small. In this respect, the drive unit 4 can be downsized.
[0020]
Further, in the configuration of the conventional example, since the light distribution for turning is obtained with the (part of) the reflecting mirror to be moved, the amount of movement of the reflecting mirror is required to be accurate. According to the above, since both the movable hood portions 3a and 3b to which the movement is performed may be performed whether or not to shield both the reflection portions 5a and 5b in which the light distribution for turning is set in advance. The accuracy is not required so much, and the configuration is simplified.
[0021]
FIG. 8 shows another embodiment of the present invention. In the previous embodiment, the right reflecting surface 5a and the left reflecting surface 5b are provided above the main reflecting surface 5c. The present invention is not limited to this, and as shown in the drawing, the right reflecting surface 5a and the left reflecting surface 5b may be provided separately on the left and right of the main reflecting surface 5c. The shapes of the portions 3a and 3b and the fixed hood portion 3c can be changed appropriately corresponding to the reflection surface.
[0022]
FIG. 9 shows still another embodiment of the present invention. In the above embodiment, both movable hood portions 3a and 3b are driven by a drive portion 4 that moves only in two positions, such as a solenoid. However, the present invention is not limited to this. For example, the drive unit 6 may include a stepping motor 6a and a reduction gear 6b.
[0023]
In this case, for example, if the right movable hood portion 3a (or the left movable hood portion 3b) is gradually moved according to the degree of inclination generated in the vehicle body, the right reflective surface 5a (or the left reflective surface) The area where the light reaches 5b) also gradually increases. Therefore, a light distribution for turning corresponding to a curved path having a relatively large turning radius is allocated to a portion where the light reaches at the beginning of the right reflecting surface 5a (the left reflecting surface 5b). If it corresponds to a curved road, the light distribution for turning also corresponds to the degree of inclination of the vehicle body, and it can be made more suitable for traveling of an actual two-wheeled vehicle.
[0024]
【The invention's effect】
As described above, according to the present invention, the main reflecting portion, the right reflecting portion, and the left reflecting portion are provided and fixed, and the fixed reflecting hood portion is attached to the vehicle body. The right and left reflecting portions are shielded when no inclination occurs, and the right movable portion that inclines the vehicle body and applies light to the corresponding sides of the right and left reflecting portions when the corresponding one is driven. By driving the headlamp for a two-wheeled vehicle composed of a hood part and a left movable hood part, by driving the right movable hood part and the left movable hood part, which are parts that are much lighter and move less It is assumed that the light distribution for turning can be obtained, and that the drive unit can be miniaturized, and that the two movable hood units are driven so that the accuracy is not so much required. It is possible to simplify the structure of the lighting. In which it exhibits an extremely excellent effect down.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a main part of an embodiment of a headlight for a motorcycle according to the present invention.
FIG. 2 is an explanatory view showing a state in which a movable hood portion of the same embodiment is driven.
FIG. 3 is a top view of the main part of the same embodiment.
FIG. 4 is a front view of a main part of the same embodiment.
FIG. 5 is a graph showing a formation state of a turning light distribution by a two-wheeled vehicle headlamp according to the present invention.
FIG. 6 is an explanatory view showing the irradiation state of the road surface of the same light distribution for turning.
FIG. 7 is a graph showing a range in which a light distribution for turning is formed according to the present invention.
FIG. 8 is a front view showing a main part of another embodiment of a headlight for a motorcycle according to the present invention.
FIG. 9 is an explanatory view showing a main part of still another embodiment of the headlamp for a motorcycle according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Motorcycle headlamp 2 ... Light source 3 ... Hood 3a ... Right movable hood part 3b ... Left movable hood part 3c ... Fixed hood part 3d ... Shafts 4, 6 ... Drive part 5 ... ... Reflector 5a ...... Right reflector 5b ...... Left reflector 5c ... Main reflector

Claims (3)

可動部が設けられ、車体に傾斜を生じたときには前記可動部を駆動することで配光特性を補正する構成とされた二輪自動車用前照灯において、前記二輪自動車用前照灯は、主反射部と右反射部と左反射部とが設けられて固定が行われた反射鏡と、固定された固定フード部に付随して設けられ、車体に傾斜を生じないときには前記右反射部と左反射部とを遮蔽し、車体に傾斜を生じ対応する一方が駆動されたときには前記右反射部と左反射部との対応する側に光を与える右可動フード部と左可動フード部とから構成されていることを特徴とする二輪自動車用前照灯。In a two-wheeled vehicle headlamp that is provided with a movable portion and is configured to correct the light distribution characteristics by driving the movable portion when the vehicle body is inclined, the two-wheeled vehicle headlamp includes a main reflection. And a right reflecting portion and a left reflecting portion are provided, and are attached to a fixed fixing hood portion, and when the vehicle body is not inclined, the right reflecting portion and the left reflecting portion are provided. A right movable hood part and a left movable hood part that provide light to the corresponding side of the right reflective part and the left reflective part when the corresponding one is driven by tilting the vehicle body and driving the corresponding one. Two-wheeled vehicle headlight characterized by 前記右可動フード部と左可動フード部との駆動は、車体の傾きの程度に応じる駆動量として行われることを特徴とする請求項1記載の二輪自動車用前照灯。2. The two-wheeled vehicle headlamp according to claim 1, wherein the right movable hood portion and the left movable hood portion are driven as a driving amount corresponding to a degree of inclination of the vehicle body. 前記右反射部と左反射部とによる配光は、車体の正立時において車両の略正面と成るポイントから上方に左右各20°で拡がる扇形の範囲よりも外側を照射するものとされていることを特徴とする請求項1または請求項2記載の二輪自動車用前照灯。The light distribution by the right reflecting portion and the left reflecting portion irradiates the outside of the fan-shaped range extending 20 degrees upward and leftward from a point that is substantially the front of the vehicle when the vehicle body is upright. The headlight for a two-wheeled vehicle according to claim 1 or 2, characterized by the above-mentioned.
JP21900398A 1998-08-03 1998-08-03 Motorcycle headlights Expired - Fee Related JP4107527B2 (en)

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JP21900398A JP4107527B2 (en) 1998-08-03 1998-08-03 Motorcycle headlights

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Application Number Priority Date Filing Date Title
JP21900398A JP4107527B2 (en) 1998-08-03 1998-08-03 Motorcycle headlights

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JP4107527B2 true JP4107527B2 (en) 2008-06-25

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Publication number Priority date Publication date Assignee Title
JP3638846B2 (en) * 2000-01-31 2005-04-13 株式会社小糸製作所 Vehicle headlamp
JP4627271B2 (en) * 2006-02-28 2011-02-09 スタンレー電気株式会社 Vehicle headlamp
JP5938914B2 (en) * 2012-01-17 2016-06-22 市光工業株式会社 Vehicle headlamp

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