| 摘要 |
PROBLEM TO BE SOLVED: To devise a luminaire which is light with simple attachment mecha nism installed on it, efficiently radiates heat generated by a lamp, and also makes an attachment frame easily attachable to and detachable from its main body. SOLUTION: An attachment frame 5 to which a filter 7 is fixed in a circumference frame 5' is attached to an opening 3 of a reflection shade 2 of a luminaire body 1 so that it can be freely removed and attached. An attachment dogs A, A fixed to plural positions on the circumference frame 5' having approximately the same outside diameter as that of the opening 3 of the reflection shade 2 hold outside of the reflection shade 2 of the luminaire body 1. In a condition wherein the attachment frame 5 is attached to the luminaire body 1, a clearance d is formed between an outside brim 4 of the opening 3 of the reflection shade 2 and the filter 7. |
