| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pump with a stem 17 protruded out of a cylinder 3 so as to be pushed therein in an upward energized condition and a vertically movable member 4 communicating a nozzle 18 at the end with the cylinder 3 via the stem for pumping a liquid out of a mounted container B with the vertical movement of the vertically movable member and jetting it from the nozzle 18, developing jetting characteristics different in amount with simple switching operation. <P>SOLUTION: A stroke changing mechanism is provided for changing the push-in range of the stem 17. Thereby, the jet amount of the liquid can be changed with a change in the push-in range of the stem 17, as required. <P>COPYRIGHT: (C)2004,JPO |
