JPS59173835U - light duct - Google Patents

light duct

Info

Publication number
JPS59173835U
JPS59173835U JP6844883U JP6844883U JPS59173835U JP S59173835 U JPS59173835 U JP S59173835U JP 6844883 U JP6844883 U JP 6844883U JP 6844883 U JP6844883 U JP 6844883U JP S59173835 U JPS59173835 U JP S59173835U
Authority
JP
Japan
Prior art keywords
light duct
light
abstract
duct
elbow part
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
Application number
JP6844883U
Other languages
Japanese (ja)
Other versions
JPH0223697Y2 (en
Inventor
宏 伊藤
勝弘 中橋
Original Assignee
日本板硝子株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日本板硝子株式会社 filed Critical 日本板硝子株式会社
Priority to JP6844883U priority Critical patent/JPS59173835U/en
Publication of JPS59173835U publication Critical patent/JPS59173835U/en
Application granted granted Critical
Publication of JPH0223697Y2 publication Critical patent/JPH0223697Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Lowering Means (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係る光ダクトの構造を示した縦断側面
図、第２図は第１図中のＡ−Ａ線断面図、第３図は従来
の光ダクト要部の縦断側面図、第４図は第３図中のＢ−
Ｂ線断面図であ−る。 図面中、１は光ダクト、４は採光口、５は放光口、６は
固設された反射部材、６ａは着脱自在な反射部材、７は
受材、８はステップである。FIG. 1 is a longitudinal sectional side view showing the structure of the optical duct according to the present invention, FIG. 2 is a sectional view taken along line A-A in FIG. 1, and FIG. 3 is a longitudinal sectional side view of the main parts of a conventional optical duct. Figure 4 is B- in Figure 3.
It is a sectional view taken along line B. In the drawings, 1 is a light duct, 4 is a lighting opening, 5 is a light emitting opening, 6 is a fixed reflecting member, 6a is a detachable reflecting member, 7 is a receiving material, and 8 is a step.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] エルボ部を有する外来光案内用の光ダクトにおいて、エ
ルボ部の下部に踏台を設け、この踏台上に踏台を隠蔽す
る反射部材を着脱自在に配設するようにしたことを特徴
とする光ダクト。A light duct for guiding external light having an elbow part, characterized in that a step is provided at the lower part of the elbow part, and a reflective member for concealing the step is removably disposed on the step.
JP6844883U 1983-05-07 1983-05-07 light duct Granted JPS59173835U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6844883U JPS59173835U (en) 1983-05-07 1983-05-07 light duct

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6844883U JPS59173835U (en) 1983-05-07 1983-05-07 light duct

Publications (2)

Publication Number Publication Date
JPS59173835U true JPS59173835U (en) 1984-11-20
JPH0223697Y2 JPH0223697Y2 (en) 1990-06-28

Family

ID=30198620

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6844883U Granted JPS59173835U (en) 1983-05-07 1983-05-07 light duct

Country Status (1)

Country Link
JP (1) JPS59173835U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60146127U (en) * 1984-03-09 1985-09-28 工業技術院長 light guiding device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110107856B (en) * 2019-04-30 2020-09-08 中国矿业大学 Underground space light pipe telescopic disaster relief device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60146127U (en) * 1984-03-09 1985-09-28 工業技術院長 light guiding device

Also Published As

Publication number Publication date
JPH0223697Y2 (en) 1990-06-28

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