| 摘要 |
PURPOSE: To easily and rapidly wash a road sign or the like in a safe environment. CONSTITUTION: A freely extensible movable arm 12 provided with a washing nozzle 22 at the front end thereof, tanks 13, 14 containing washing liquid or water, a pumping device 15 transferring the washing liquid or water to the washing nozzle 22 to jet it, an electric lighting board 16 alarming so as not to collide with another vehicle approaching from the rear side, are mounted on a body 11. An operating panel 31 instructing motions relating to the washing of road signs or the like 90 is installed within the vehicle chamber. |
