JPS59134209U

JPS59134209U - Light distribution control device for lighting equipment

Info

Publication number: JPS59134209U
Application number: JP2735483U
Authority: JP
Inventors: 芳夫中山
Original assignee: 松下電工株式会社
Priority date: 1983-02-25
Filing date: 1983-02-25
Publication date: 1984-09-07

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来の照明器具の斜視図、第２図はこの考案の
一実施例の部分縦断面図、第３図はその側面図、第４図
は同じくそのパイプの断面図、第５図は同じ（そのリン
グ状支持部材の斜視図、第６図Ａ〜Ｄは同じくその動作
説明図、第７図Ａ〜Ｃは同じ（その各種照明器具への取
付状態の説明図、第８図は他の実施例の横断面図、第９
図はさらに他の実施例の部分縦断面図、第１０図はその
側面図、第１１図はリング状支持部材の変形例の正面図
、第１２図はその展開図である。５・・・配光制御装置、６・・・直管けい光ランプ、７
・・・パイプ、８・・・反射面、９．９’、９′・・・
リング状支持部材。第４図　　　　　　　　第５図第７図Fig. 1 is a perspective view of a conventional lighting fixture, Fig. 2 is a partial vertical sectional view of an embodiment of the invention, Fig. 3 is a side view thereof, Fig. 4 is a sectional view of the pipe, and Fig. 5 are the same (a perspective view of the ring-shaped support member, FIGS. 6A to 6D are explanatory diagrams of its operation, and FIGS. 7A to C are the same (a perspective view of the ring-shaped support member), and FIG. Cross-sectional view of another embodiment, No. 9
10 is a side view thereof, FIG. 11 is a front view of a modification of the ring-shaped support member, and FIG. 12 is a developed view thereof. 5... Light distribution control device, 6... Straight tube fluorescent lamp, 7
...Pipe, 8...Reflecting surface, 9.9', 9'...
Ring-shaped support member. Figure 4 Figure 5 Figure 7

Claims

[Scope of utility model registration request]

A light distribution control device for a lighting fixture that is formed into a pipe shape, a part of which is transparent, and the remaining part of which has a mirror surface, and which is rotatably fitted onto a straight tube fluorescent lamp.