| 摘要 |
PROBLEM TO BE SOLVED: To provide an alarm device of a service vehicle, informing abnormality to the surrounding persons and operators, without giving unpleasant feelings. SOLUTION: The alarming device of a service vehicle comprises detecting means 17, 18, 19, 21, 22, 23 and 24 for detecting abnormality of operation parts on working, an informing means 12 sounding warning sound, and a control part 14 sounding with the informing means 12 when detecting abnormality with the detecting means 17, 18, 19, 21, 22, 23 or 24, wherein a small sound informing means 13 sounding warning sound of smaller sound volume than the informing means 12 is equipped and, corresponding to specific operating conditions or working conditions of equipment, after detecting abnormality of an operation part with the detecting means 17, 18, 19, 21, 22, 23 or 24, the control part 14 stops sounding of warning sound of the informing means 12 and sounds only the warning sound of the informing means 13. COPYRIGHT: (C)2008,JPO&INPIT
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