| 摘要 |
A first wash fluid discharging passage ( 15 ) having an outlet end thereof opened to an outer peripheral surface ( 8 C) is provided on a rotary atomizing head ( 7 ) and positioned behind a paint reservoir ( 12 ). On the other hand, a second wash fluid discharging passage ( 20 ) having an outlet end thereof opened to the paint reservoir ( 12 ) is also provided on the rotary atomizing head ( 7 ) positioned around a fore end of a paint tube ( 18 ). In addition, a nozzle ( 22 ) is provided at a fore outlet end of a wash fluid tube ( 19 ). The nozzle ( 22 ) internally defines an annular chamber ( 24 ) for pooling a wash fluid. The nozzle ( 22 ) is provided with first and second outlet openings ( 25, 26 ) to spurt a wash fluid toward the first and second wash fluid discharging passages ( 15, 20 ). Further, a check valve ( 27 ) is provided in the annular chamber ( 24 ) of the nozzle ( 22 ) to prevent a reverse flow of a wash fluid.
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