JPS62200744U - - Google Patents
Info
- Publication number
- JPS62200744U JPS62200744U JP8641586U JP8641586U JPS62200744U JP S62200744 U JPS62200744 U JP S62200744U JP 8641586 U JP8641586 U JP 8641586U JP 8641586 U JP8641586 U JP 8641586U JP S62200744 U JPS62200744 U JP S62200744U
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- lens
- optical fiber
- incident
- output end
- 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
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Description
第１図は本考案に係る照明装置を示す全体構成
図、第２図は第１図の足掛金具を示す拡大斜視図
、第３図は同足掛金具の平面図である。
１…マンホール、２…足掛金具、３，８…光フ
アイバー、５…懐中電灯、６…集光レンズ、７…
光コネクタ、９…拡散レンズ。
FIG. 1 is an overall configuration diagram showing the lighting device according to the present invention, FIG. 2 is an enlarged perspective view showing the footrest of FIG. 1, and FIG. 3 is a plan view of the same footrest. 1... Manhole, 2... Footrest, 3, 8... Optical fiber, 5... Flashlight, 6... Condensing lens, 7...
Optical connector, 9...diffusion lens.
Claims (1)
レンズによる集束光が入射される光フアイバーと
からなり、該光フアイバーの出射端をマンホール
内の足掛金具に配設したことを特徴とするマンホ
ールの照明装置。 A manhole comprising a lens that focuses light rays outside the manhole, and an optical fiber into which the light focused by the lens is incident, and the output end of the optical fiber is disposed on a foothold fitting inside the manhole. lighting equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8641586U JPH042204Y2 (en) | 1986-06-06 | 1986-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8641586U JPH042204Y2 (en) | 1986-06-06 | 1986-06-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62200744U true JPS62200744U (en) | 1987-12-21 |
| JPH042204Y2 JPH042204Y2 (en) | 1992-01-24 |
Family
ID=30942700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8641586U Expired JPH042204Y2 (en) | 1986-06-06 | 1986-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042204Y2 (en) |
-
1986
- 1986-06-06 JP JP8641586U patent/JPH042204Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH042204Y2 (en) | 1992-01-24 |