FLOAT SUCKER

PROBLEM TO BE SOLVED: To provide a float sucker with its suction port moved up and down with a change in the liq. surface, sucking efficiently only the liq. on the surface and discharging it to the outside from a discharge pipe. SOLUTION: This sucker consists of a pedestal 2 set in a vessel 1 contg. a liq. L, a fixed peripheral wall 3 in its center, a weight 4 on the pedestal, a cylinder 5 fitted in the fixed peripheral wall, provided with a discharge pipe 51 and having a lid 52 on the top 50, a shaft tube 6 piercing the lid and capable of being freely expanded and rotated, a bridge 7 fastened to the periphery of the tip 61 of the shaft tube and extended horizontally with the shaft tube as the center, a suction part 8 circumferentially provided from the bridge at the outer edge of the tip of the shaft tube in the axial direction of the cylinder and surrounded by the suction peripheral wall 82 having a notch 81 for sucking the surface part of the liq. and a float 9 fixed to both ends 71 of the bridge.