| 摘要 |
<p>PROBLEM TO BE SOLVED: To automatically eject cleaning water without using the grasping power of hand and a battery or the like by providing a coil spring inside an accordion vessel, contracting the vessel through the use of the contracting force of the coil spring and ejecting cleaning water from a nozzle. SOLUTION: A lock pipe 3 is arranged to enter the nozzle 10 from the center of a bottom part in the accordion vessel 1, a flow port 4 is disposed in the lock pipe 3 and cleaning water is made to flow from the vessel 1 to the nozzle 10. Besides, a lock groove 5 is arranged in one outer direction of the pipe 3, the lock pawl 7 of a lock device 6 is fitted to the lock groove 5 and the contracting action of the vessel 1 is stopped. Then depressing a button 9 permits the lock pawl 7 to get back, the lock pipe 3 is made to free, the direction of the nozzle 10 is moved at one time and, then, the cleaning water of the accordion vessel 1 is ejected from the nozzle 10.</p> |
