| 摘要 |
PROBLEM TO BE SOLVED: To enable us to repair the door opening/closing mechanism of a hydrant device easily and securely. SOLUTION: This hydrant device 1 is equipped with a hydrant door 12 which opens and closes a hydrant opening 11a, and a door opening/closing mechanism 15 which controls opening or closing of the hydrant door 12. It is also equipped with a front panel 11 to which the hydrant door 12 and the door opening/closing mechanism 15 are attached, which forms a front panel unit 10 that can be removed from a hydrant box 3. COPYRIGHT: (C)2004,JPO&NCIPI
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