| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a waterproof device for a lighting fixture capable of efficiently discharging hydrogen gas emitted from a battery built in the lighting fixture to the outside of a case. <P>SOLUTION: The waterproof device for a lighting fixture includes the case 2 for internally storing the lighting fixture 1, a mounting base 3 wherein its upper face is fixed on a built surface and the case 2 is fixed on a lower face so as to block an opening of the case 2, a fixture mounting base 4 wherein its upper face is fixed on a lower face of the mounting base 3 and the lighting fixture 1 is detachably supported on its lower face, and a sealing member 5 intervening between the mounting base 3 and the fixture mounting base 4 and mounted so as to make the lower face block the opening of the case 2. A vent hole 55A for making the inside of the case 2 face to an upper face side of the sealing member 5 is arranged on the sealing member 5, a first window hole 32A for guiding a power supply wire connected with the lighting fixture 1 inside the case 2 is arranged on the mounting base 3, and a ventilation passage is formed between the inside and the outside of the case 2 through the first window hole 32A and the vent hole 55A. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
