| 摘要 |
PROBLEM TO BE SOLVED: To provide a cleaning liquid injector of a cleaning vehicle for always efficiently injecting a cleaning liquid from a cleaning nozzle toward a wall surface. SOLUTION: An expandable pole 25c expanding in the vertical direction is erected. The cleaning nozzle 25a arranged on the downstream end of a cleaning liquid hose is installed on the innermost side cylinder upper end of the expandable pole via an oscillating means 6. A rotational movement regulating means is composed of a groove extending in the expanding direction in the peripheral direction of an outer cylinder and respective inner cylinders of the expandable pole and recessing-projecting in the radial direction. The cleaning nozzle is always opposed to the wall surface by regulating a peripheral directional rotational movement of the innermost side cylinder to the outer cylinder when expanding the expandable pole. COPYRIGHT: (C)2004,JPO
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