JPH0436713U - - Google Patents
Info
- Publication number
- JPH0436713U JPH0436713U JP7986090U JP7986090U JPH0436713U JP H0436713 U JPH0436713 U JP H0436713U JP 7986090 U JP7986090 U JP 7986090U JP 7986090 U JP7986090 U JP 7986090U JP H0436713 U JPH0436713 U JP H0436713U
- Authority
- JP
- Japan
- Prior art keywords
- outer tube
- transparent outer
- louver
- pitches
- opening
- 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
- 239000011295 pitch Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Description
第１図はこの考案の一実施例の照明器具の正面
図、第２図は第１図のＩ−Ｏ−Ｉ′線断面図、第
３図は従来の照明器具の外観斜視図、第４図は従
来の照明器具の要部の断面図、第５図は同心円状
ルーバ装置の正面図、第６図は格子状ルーバ装置
の断面図、第７図は従来の照明器具の一部破断斜
視図、第８図および第９図は同じく断面図である
。
４……反射板、５……ランプ、５ａ……透明外
管、５ｂ……発光部、７……格子状ルーバ装置、
７ａ……ルーバ構成片。
Fig. 1 is a front view of a lighting fixture according to an embodiment of this invention, Fig. 2 is a sectional view taken along the line I-O-I' in Fig. 1, Fig. 3 is an external perspective view of a conventional lighting fixture, and Fig. 4 is a front view of a lighting fixture according to an embodiment of the invention. The figure is a cross-sectional view of the main parts of a conventional lighting fixture, Figure 5 is a front view of a concentric louver device, Figure 6 is a cross-sectional view of a lattice-shaped louver device, and Figure 7 is a partially cutaway perspective view of a conventional lighting fixture. FIG. 8 and FIG. 9 are also sectional views. 4... Reflection plate, 5... Lamp, 5a... Transparent outer tube, 5b... Light emitting part, 7... Grid-like louver device,
7a... Louver component piece.
Claims (1)
を直管型の透明外管で包囲した構造を有するラン
プを、前記反射板の中心軸と前記透明外管とが交
差した状態に配設し、前記反射板の開口にルーバ
装置を設けた照明器具において、 前記ルーバ装置の前記透明外管の長手方向と同
方向および直交方向の各ルーバ構成片ピツチのう
ち、少なくとも前記透明外管の長手方向と同方向
のルーバ構成片ピツチを、前記反射板の開口の周
縁部は小さく中央部は大きくなるように、段階的
に設定したことを特徴とする照明器具。[Claims for Utility Model Registration] A lamp having a structure in which a light-emitting part that can be regarded as a substantially point light source is surrounded by a straight transparent outer tube is placed inside a bowl-shaped reflector, and the central axis of the reflector and the In a lighting fixture in which a louver device is provided in an opening of the reflective plate and arranged in a state where the transparent outer tube intersects with the transparent outer tube, each louver component piece of the louver device is arranged in the same direction and orthogonal to the longitudinal direction of the transparent outer tube. Among the pitches, at least the pitches of the louver components in the same direction as the longitudinal direction of the transparent outer tube are set in stages such that the peripheral edge of the opening of the reflecting plate is small and the center part is large. lighting equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7986090U JPH0436713U (en) | 1990-07-25 | 1990-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7986090U JPH0436713U (en) | 1990-07-25 | 1990-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0436713U true JPH0436713U (en) | 1992-03-27 |
Family
ID=31624407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7986090U Pending JPH0436713U (en) | 1990-07-25 | 1990-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0436713U (en) |
-
1990
- 1990-07-25 JP JP7986090U patent/JPH0436713U/ja active Pending
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