| 摘要 |
PROBLEM TO BE SOLVED: To easily attach and detach a rinsing nozzle and a washing nozzle and to safely attach and detach the rinsing nozzle and the washing nozzle. SOLUTION: In the attaching structure of the washing nozzle and the rinsing nozzle, the front end of washing water piping is inserted into the washing nozzle, rinsing water piping fixed to the inside center of the washing water piping and projecting from the front end of the washing water piping passes through the washing nozzle, an aqueduct is fitted to the front end of the rinsing water piping, the through-hole of an odd-shaped nut in which recesses and projections are formed on the outer side surface and the front end part of the rinsing water piping are threadedly engaged, and the washing nozzle is freely rotatably fixed. Further, the aqueduct is fixed to the rinsing water piping, the aqueduct projecting from the through-hole of the odd-shaped nut is fitted to the insertion hole of a nozzle holder holding a nozzle header, an end nut is threadedly inserted into the aqueduct, and the rinsing nozzle is freely rotatably fixed to the aqueduct. COPYRIGHT: (C)2010,JPO&INPIT |
