| 摘要 |
PROBLEM TO BE SOLVED: To provide a foot pump capable of moving accumulated water, or air while treading to operate and move a hose and the like only with an operator's weight without being dependent upon electricity or fuel and the like to overcome the prior art in which liquid such as accumulated water or gas such as air was moved mainly by applying an operation of an electrical pump or a manual-operated pump only for performing a suction or discharging operation.SOLUTION: This invention relates to a foot pump in which two pumps each of which is constituted by a cylinder container and a piston plate are arranged side by side on a fixing table, foot plates are arranged on them, the foot plates are cooperated by a belt. One of them is depressed, the other is pulled up and the intake and discharging are always repeated in one direction under application of a check valve.SELECTED DRAWING: Figure 1 |
