JPH0192010U

JPH0192010U -

Info

Publication number: JPH0192010U
Application number: JP18854387U
Authority: JP
Priority date: 1987-12-10
Filing date: 1987-12-10
Publication date: 1989-06-16

Description

[Brief explanation of drawings]

第１図ないし第１０図は本考案の実施例を示し
、第１図は１実施例の全体をルーバ側から見た斜
視図、第２図はルーバと節度機構の一例を示す斜
視図、第３図は内部を示す一部縦断面図、第４図
はルーバの取付状態を示す断面図、第５図はルー
バを垂直姿勢で保持した場合反射特性説明図、第
６図は回動姿勢で保持した場合の反射特性説明図
、第７図ないし第９図は本考案の他の例を示す斜
視図および底面図、第１０図は第８図の照明器具
に対応するルーバの斜視図、第１１図および第１
２図は従来の反射特性説明図である。１…照明器具、２…ルーバ、３…節度機構、６
…光源、ｘ_１，ｘ_２…凹面。 1 to 10 show embodiments of the present invention, FIG. 1 is a perspective view of the entire embodiment as seen from the louver side, FIG. 2 is a perspective view showing an example of the louver and the moderation mechanism, and FIG. Figure 3 is a partial vertical cross-sectional view showing the inside, Figure 4 is a cross-sectional view showing the louver installation state, Figure 5 is an explanatory diagram of the reflection characteristics when the louver is held in a vertical position, and Figure 6 is a rotational position. 7 to 9 are perspective views and bottom views showing other examples of the present invention; FIG. 10 is a perspective view of a louver corresponding to the lighting equipment in FIG. 8; Figure 11 and 1st
FIG. 2 is an explanatory diagram of conventional reflection characteristics. 1... Lighting equipment, 2... Louver, 3... Moderation mechanism, 6
...Light source, x ₁ , x ₂ ... Concave surface.

Claims

[Scope of utility model registration request]

A lighting fixture in which a plurality of louvers for adjusting light distribution and brightness are arranged in front of a light source in parallel or in a grid at predetermined intervals, wherein at least some of the plurality of louvers are rotatable and adjustable. 1. A lighting device which is provided so as to be able to be held at a desired rotational position by a mechanism, and wherein at least a surface of a lower body portion of each of the louvers is formed into a concave surface.