| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a sign device that can reliably support a sign with a simple structure, and does not increase cost with a reliable structure.SOLUTION: A sign device is configured by: tiltably pivoting a base part 31 of a tilting body 30 supporting a sign part 40 for displaying marks to a base 20 mounted on a vehicle; pivoting a holding member 41 of the sign part 40 to the tilting body 30; laying a link member 25 configuring a parallel linkage mechanism so that the sign part 40 holds a substantially horizontal attitude between the holding member 41 and the base 20; visibly disposing the sign part 40 at either position while holding the substantially horizontal attitude; interposing an electric hydraulic cylinder 50 between the tilting body 30 and the base 20; tilting the base 20 by the telescopic motion of te electric hydraulic cylinder 50: and making the sign part 40 lift while holding the substantially horizontal attitude.</p> |
