| 摘要 |
PROBLEM TO BE SOLVED: To provide a frame structure of signal light capable of: obtaining necessary strength even with a simple structure; reducing manufacturing cost; and reducing its weight.SOLUTION: A frame structure 100 for constructing a light housing 11 of a signal light 10 is formed with an outer peripheral frame 110 made by bending of an extrusion molded product, having a closed cross-sectional shape, provided with hollow portions 111, 112 and is mounted with a thin plate-like rear panel 120 so as to close a back side opening of the outer peripheral frame 110. A front side opening of the outer peripheral frame 110 is mounted, in an openable and closable manner, with a thin plate-like front panel 130 provided with openings 13a corresponding to LED units 20. |
