| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a pump for pressure cylinder capable of preventing foreign matter such as mud and dust mixed in water within a tank from being introduced into a cylinder tube together with water. SOLUTION: A cylinder tube 35 is erected within a tank 12 and a water suction port 44 is formed on the outer periphery of the lower end. A piston rod 37 is slidably fitted and inserted into the cylinder tube 35 and is connected to an operating handle on a tank 12. A cylindrical filter 54 is fitted and inserted into the outer periphery of the cylinder tube 35 so as to cover the water suction port 44. Each of seal members 55, 57 is disposed between both end edges of the filter 54 and the outer peripheral surface of the cylinder tube 35.</p> |
