Patent ID: 8911618

Claim:
A liquid-level following type suction apparatus comprising an intake pipe in which one end is an inlet side end opening upwardly and the other end is connected with a suction hose which communicates with an inlet port of a pump, a holding member fixed to said intake pipe and having an extension portion which extends outwardly, a float body attached to said extension portion of said holding member and causing said inlet side end of said intake pipe to closely follow a liquid level within the liquid, and an adjustment pipe which is loosely fitted to said inlet side end of said intake pipe through a clearance so as to move up and down, its upper opening edge serving as an inlet opening, wherein said liquid flows from the lower end of said adjustment pipe into said clearance between the adjustment pipe and the intake pipe, said liquid rises within the clearance and is sucked into the intake pipe, and said liquid is sucked from an upper end side of said adjustment pipe into the intake pipe.