| 摘要 |
PROBLEM TO BE SOLVED: To provide a sprinkler head which increases the amount of spraying water in the reverse direction of a guide rod by improving not only nails opposing to the guide rod but also shapes of the nails on both sides to spray water evenly. SOLUTION: In the sprinkler head SP equipped with a deflector 17 having the plurality of nails 31, 32, 33 rising at intervals on the rim part and the guide rod 13 supporting the deflector 17, a height h1 of the nails 32 located on both sides of the nail 31 opposing to the guide rod is made to be higher than heights of the other nails, and a width w1 of the nails 32 is formed to be wider than the width of the other nails 33 excluding the nails 31. COPYRIGHT: (C)2008,JPO&INPIT
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