JPH03116498U - - Google Patents
Info
- Publication number
- JPH03116498U JPH03116498U JP2373490U JP2373490U JPH03116498U JP H03116498 U JPH03116498 U JP H03116498U JP 2373490 U JP2373490 U JP 2373490U JP 2373490 U JP2373490 U JP 2373490U JP H03116498 U JPH03116498 U JP H03116498U
- Authority
- JP
- Japan
- Prior art keywords
- light
- lens
- shielding
- traffic signal
- edge
- 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
- 238000009792 diffusion process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Description
第１図は第一の実施例に係る遮光レンズを装着
した車両用交通信号灯の側断面図、第２図は遮光
レンズの正面図、第３図は同背面図、第４図は同
遮光レンズの要部拡大側断面図、第５図は第二の
実施例に係る遮光レンズを装着した車両用交通信
号灯の側断面図、第６図は同遮光レンズの要部拡
大側断面図、第７図は本考案に係る遮光レンズの
第三の実施例を示す要部拡大側断面図、第８図は
同じく遮光レンズの第四の実施例を示す要部拡大
側断面図、第９図は同じく遮光レンズの第五の実
施例を示す要部拡大側断面図、第１０図は本考案
に係る信号灯器を信号機筐に収容した状態を示す
側面図、第１１図は従来の交通信号灯を示す側断
面図、第１２図は同じく擬似点灯防止構造を構成
した従来の交通信号灯を示す側断面図である。
１……遮光レンズ、２……前面レンズ、１Ａ…
…外側レンズ、１Ｂ……内側レンズ、３……光源
、５……放物面反射鏡、６……灯器本体、８……
集光レンズ素子、９……透過部、１１……遮光膜
、１２……遮光縁、１３……反射面、１４……拡
散レンズ素子。
Fig. 1 is a side cross-sectional view of a vehicle traffic signal light equipped with a light-shielding lens according to the first embodiment, Fig. 2 is a front view of the light-shielding lens, Fig. 3 is a rear view of the same, and Fig. 4 is the same light-shielding lens. FIG. 5 is a side sectional view of a vehicle traffic signal light equipped with a light-shielding lens according to the second embodiment, FIG. 6 is an enlarged side sectional view of the main part of the same light-shielding lens, and FIG. The figure is an enlarged side sectional view of the main part showing the third embodiment of the light-shielding lens according to the present invention, FIG. 8 is an enlarged side sectional view of the main part showing the fourth embodiment of the light-shielding lens, and FIG. 9 is the same. FIG. 10 is an enlarged side sectional view of the main part showing the fifth embodiment of the light-shielding lens, FIG. 10 is a side view showing the signal light device according to the present invention housed in a traffic light housing, and FIG. 11 is a side view showing a conventional traffic signal light. The cross-sectional view and FIG. 12 are side cross-sectional views showing a conventional traffic signal light similarly configured with a false lighting prevention structure. 1... Light shielding lens, 2... Front lens, 1A...
...Outer lens, 1B...Inner lens, 3...Light source, 5...Parabolic reflector, 6...Lamp body, 8...
Condenser lens element, 9... Transmissive portion, 11... Light shielding film, 12... Light shielding edge, 13... Reflective surface, 14... Diffusion lens element.
Claims (1)
光レンズ素子によつて収束した出射光を透過させ
る表面側透過部に凹状シリンドリカルな拡散レン
ズ素子を形成すると共に、上記透過部間にレンズ
裏面方向へ延出し、少なくともその下面側を灯室
内に対する反射面として機能する遮光縁を構成し
たことを特徴とする 交通信号灯用遮光レンズ。 (2) 前記遮光縁がレンズの肉厚内に楔状に食い
込む切欠溝で形成したものであることを特徴とす
る請求項１記載の 交通信号灯用遮光レンズ。 (3) 前記遮光縁がレンズ裏面からその後方へ突
出する突縁であることを特徴とする請求項１記載
の 交通信号灯用遮光レンズ。 (4) 遮光レンズが内側レンズと外側レンズの二
枚構成に成り、内側レンズの表面又は裏面に前記
集光レンズを形成すると共に、外側レンズの裏面
に前記遮光縁を形成したことを特徴とする請求項
１記載の 交通信号灯用遮光レンズ。[Claims for Utility Model Registration] (1) In addition to forming a concave cylindrical diffusing lens element on the front side transmitting part through which the emitted light converged by the convex cylindrical condensing lens element formed on the back side is transmitted, A light-shielding lens for a traffic signal light, characterized in that a light-shielding edge is formed between the transparent portions and extends toward the rear surface of the lens, and at least the lower surface thereof functions as a reflective surface for the light chamber. (2) The light-shielding lens for a traffic signal light according to claim 1, wherein the light-shielding edge is formed by a notched groove that cuts into the thickness of the lens in a wedge-like manner. (3) The light-shielding lens for a traffic signal light according to claim 1, wherein the light-shielding edge is a projecting edge that projects rearward from the back surface of the lens. (4) The light-shielding lens is composed of two lenses, an inner lens and an outer lens, and the condenser lens is formed on the front or back surface of the inner lens, and the light-shielding edge is formed on the back surface of the outer lens. The light-shielding lens for traffic signal lights according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2373490U JP2511085Y2 (en) | 1990-03-12 | 1990-03-12 | Shade lens for traffic light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2373490U JP2511085Y2 (en) | 1990-03-12 | 1990-03-12 | Shade lens for traffic light |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03116498U true JPH03116498U (en) | 1991-12-03 |
| JP2511085Y2 JP2511085Y2 (en) | 1996-09-18 |
Family
ID=31526718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2373490U Expired - Lifetime JP2511085Y2 (en) | 1990-03-12 | 1990-03-12 | Shade lens for traffic light |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2511085Y2 (en) |
-
1990
- 1990-03-12 JP JP2373490U patent/JP2511085Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2511085Y2 (en) | 1996-09-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |