| 摘要 |
PROBLEM TO BE SOLVED: To provide a nozzle unit with a brush which can reduce cost and improve handleability.SOLUTION: A nozzle unit of this invention has a cylindrical support 13 having inside a cylindrical guide face 57 the tip side of which enlarges in diameter, a cylindrical brush 15 supported detachably by the tip side of the support 13 to extend ahead of the support 13, a nozzle 21 provided inside the support 13, consisting of a pipe material having flexibility the tip side of which is the free end, and jetting a fluid by directing to the brush 15 out of the tip while making slewing motion under the guide of the cylindrical guide face 57 by making the supplied fluid pass to the base end side, and a cylindrical slide body 23 slidably supported by the outer peripheral face side of the support 13, where the slide body 23 can cover the brush 15 from the outer peripheral face side to keep the coverage variable with slide positions.SELECTED DRAWING: Figure 3 |
