JPH036798U

JPH036798U -

Info

Publication number: JPH036798U
Application number: JP6771989U
Authority: JP
Priority date: 1989-06-09
Filing date: 1989-06-09
Publication date: 1991-01-23
Anticipated expiration: 2004-06-09
Also published as: JPH0751680Y2

Description

[Brief explanation of drawings]

第１図は、本考案による信号灯の断面図、第２
図は、前記信号灯の光フイルターを構成する凸レ
ンズ部と光吸収部と凹レンズとを示す斜視図、第
３図は、第１図の光フイルターの要部を示す拡大
断面図、第４Ａ、４Ｂ図は、本考案による信号灯
の作用を説明する図、第５図は、円柱状レンズの
他の実施例を示す断面図、第６図は、本考案に係
るレンズ部のさらに他の実施例を示す図、第７図
は、本考案の更にもう１つの実施例を示す図、第
８図は、第６図の−線断面図、第９図は、従
来の信号灯を示す断面図である。２：前方レンズ、３：反射鏡、４：光源体、１
２，１６：凸レンズ部、１２ａ：円柱状レンズ、
１３：光吸収部、１３ａ：吸光体、１４：凹レン
ズ部、１４ａ：凹レンズ、１５：凹面、１６ａ：
球状レンズ、ｄ：直径、ｔ：最大厚み。 Fig. 1 is a sectional view of the signal light according to the present invention;
The figure is a perspective view showing a convex lens part, a light absorption part, and a concave lens that constitute the optical filter of the signal light, FIG. 3 is an enlarged sectional view showing the main parts of the optical filter in FIG. 1, and FIGS. 4A and 4B. 5 is a cross-sectional view showing another embodiment of the cylindrical lens, and FIG. 6 is a diagram illustrating still another embodiment of the lens portion according to the invention. 7 is a diagram showing still another embodiment of the present invention, FIG. 8 is a sectional view taken along the line -- in FIG. 6, and FIG. 9 is a sectional view showing a conventional signal lamp. 2: Front lens, 3: Reflector, 4: Light source, 1
2, 16: convex lens part, 12a: cylindrical lens,
13: light absorption part, 13a: light absorber, 14: concave lens part, 14a: concave lens, 15: concave surface, 16a:
Spherical lens, d: diameter, t: maximum thickness.

Claims

[Claims for Utility Model Registration] (1) Front lens 2, light source 4, and light source 4
In a signal light consisting of a reflector 3 that reflects light emitted from the front lens forward, a light source 4 is provided between the front lens 2 and the light source 4 in parallel to each other so as to form a plane perpendicular to the optical axis of the front lens 2. A plurality of long cylindrical lenses 12 provided
a convex lens portion 12 consisting of a, 12a, and a rear surface side of the convex lens portion 12 corresponding to each of the cylindrical lenses 12a, 12a;
A light absorbing section 13 consisting of a plurality of band-shaped light absorbers 13a, 13a having a predetermined width in the direction perpendicular to the optical axis of a and located near the focal point.
and a plurality of concave lenses 14 provided on the front side of the convex lens portion 12 so as to correspond to the individual cylindrical lenses 12a, 12a and to be located near the front focal point.
A signal light characterized by having a concave lens portion 14 consisting of a and 14a. (2) The concave lens 14a and the cylindrical lens 1
2a. The signal lamp according to claim 1, wherein the cylindrical lens 12a has a front surface cut out to form a concave surface 15. (3) Light absorber 13a corresponding to the lens 12a
3. The signal light according to claim 1, wherein the signal light is provided integrally with the signal light. (4) Front lens 2, light source 4, and light source 4
In a signal light consisting of a reflector 3 that reflects light emitted from A light absorber 17 having a predetermined area is integrally provided on the rear surface of each spherical lens 16a so as to be located near the focal point of each spherical lens 16a. 1
A signal light characterized in that a concave lens portion 14 is provided on the front surface of the signal light 6a.