| 摘要 |
PROBLEM TO BE SOLVED: To provide a luminaire capable of improving in heat dissipation without impairing vibration and insect proofing performance. SOLUTION: A luminaire includes a main body 22 secured on a fixture arranged on a ceiling surface 25, a lamp 26 mounted in front of the mainbody 22, a globe arranged on the mainbody with its front in almost covered relation and arranged to be demouned if turnably moved and a packing 27 secured to the back of the mainbody 22 and contacting the ceiling surface 25. The mainbody 22 has an opening 41 nearly right over the lamp 26 and the packing 27 with foamability, elasticity and air permeability has a hollow portion 28 nearly right over the lamp 26, the opening 41 and the hollow portion 28 defining a heat radiation passage. |
