JPH01111401U - - Google Patents
Info
- Publication number
- JPH01111401U JPH01111401U JP1988004647U JP464788U JPH01111401U JP H01111401 U JPH01111401 U JP H01111401U JP 1988004647 U JP1988004647 U JP 1988004647U JP 464788 U JP464788 U JP 464788U JP H01111401 U JPH01111401 U JP H01111401U
- Authority
- JP
- Japan
- Prior art keywords
- focal point
- reflector
- projector
- opening
- convex lens
- 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.)
- Pending
Links
- 239000005357 flat glass Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図乃至第３図は本考案のプロジエクタ型前
照灯の１実施例を示し、第１図は垂直縦断面図、
第２図は正面図、第３図は要部拡大模式図である
。第４図は従来例の垂直縦断面図、第５図は上記
実施例の配光パターン図表であり、第６図及び第
７図は上記従来例に関する課題の説明図である。
１…リフレクタ、２…光源バルブ、３…凸レン
ズ、４…シエード、５…ランプハウジング、９，
９′…アウタレンズ、９ａ…開口、９ｂ…段付面
、１０…カバー、１１…板ガラス。
1 to 3 show one embodiment of the projector type headlamp of the present invention, FIG. 1 is a vertical longitudinal cross-sectional view,
FIG. 2 is a front view, and FIG. 3 is an enlarged schematic diagram of main parts. FIG. 4 is a vertical cross-sectional view of the conventional example, FIG. 5 is a light distribution pattern chart of the above embodiment, and FIGS. 6 and 7 are explanatory diagrams of problems related to the above conventional example. 1...Reflector, 2...Light source bulb, 3...Convex lens, 4...Shade, 5...Lamp housing, 9,
9'... Outer lens, 9a... Opening, 9b... Stepped surface, 10... Cover, 11... Plate glass.
Claims (1)
タの第１焦点付近に設置した光源バルブと、前記
リフレクタの第２焦点付近に焦点を位置せしめた
凸レンズと、該第２焦点付近にカツトラインを位
置せしめたシエードとを有するプロジエクタユニ
ツトを構成すると共に、上記プロジエクタユニツ
トをランプハウジング内に収納し、かつ、該ラン
プハウジングの前面開口部を覆つてアウタレンズ
を装着したプロジエクタ型前照灯において、前記
の凸レンズから出射した光束がアウタレンズを通
過する区域の少なくとも一部に開口を設け、かつ
、上記の開口に透明な板ガラスを装着したことを
特徴とするプロジエクタ型前照灯。 ２ 前記の板ガラスの径は、前記凸レンズの有効
径よりも小さくし、かつ、該板ガラスとアウタレ
ンズ開口部との境界線に沿つて、光の通過を阻止
する構成部分を設けたことを特徴とする実用新案
登録請求の範囲第１項に記載のプロジエクタ型前
照灯。[Claims for Utility Model Registration] 1. A reflector having a spheroid shape, a light source bulb installed near a first focal point of the reflector, a convex lens having a focal point near a second focal point of the reflector, and a convex lens having a focal point near a second focal point of the reflector; A projector type comprising a projector unit having a shade with a cut line located near the focal point, the projector unit being housed in a lamp housing, and an outer lens attached to cover the front opening of the lamp housing. A projector-type headlamp, characterized in that an opening is provided in at least a part of the area where the light beam emitted from the convex lens passes through the outer lens, and a transparent plate glass is attached to the opening. 2. The diameter of the plate glass is smaller than the effective diameter of the convex lens, and a component for blocking the passage of light is provided along the boundary line between the plate glass and the outer lens opening. A projector type headlamp according to claim 1 of the utility model registration claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988004647U JPH01111401U (en) | 1988-01-20 | 1988-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988004647U JPH01111401U (en) | 1988-01-20 | 1988-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01111401U true JPH01111401U (en) | 1989-07-27 |
Family
ID=31207343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988004647U Pending JPH01111401U (en) | 1988-01-20 | 1988-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01111401U (en) |
-
1988
- 1988-01-20 JP JP1988004647U patent/JPH01111401U/ja active Pending
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