| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a sprinkler head resistant to impact, in which a valve element or an arm is never moved even if the sprinkler head receives an external force. <P>SOLUTION: The sprinkler head sp includes a head body 1 having an outlet 3; the valve element 5 which closes the outlet 3; a thermosensitive mechanism 7 which supports the valve element 5; a cylindrical connection part 9 formed at a lower portion of the head body 1; and a frame 11 connected to the cylindrical connection part 9. An arm fitting groove 11d for regulating the movement of the arm 6 is provided at a portion of the frame 11 in which the arm 6 is engagingly locked. <P>COPYRIGHT: (C)2012,JPO&INPIT |
