Patent ID: 8397334

Claim:
A device for the cleaning of a container, a tank or a silo, comprising: a hanging unit, the hanging unit including rope-like flexible members, a first winding unit and a second winding unit, each winding unit comprising a wound supply of said flexible members and being adapted to change the length of sections said flexible members under control of a control unit; at least one elongated rigid holding unit connected to the hanging unit, the holding unit being held by the flexible members and suspended between the first and second winding units, the holding unit having a length equal or greater than the radius of the container; and a cleaning unit disposed on one end of the holding unit, the cleaning unit being adapted to face an inside wall of the container, wherein the cleaning unit is lifted and/or lowered and/or tilted, and pressed against the inside wall of said container, by lengthening and/or shortening said sections and tensioning at least one of said flexible members; wherein the position of the holding unit between the first and second winding units and the tilt of the holding unit is adjustable by changing the length of the sections of the flexible members reaching from the first and second winding units to the holding unit under control of the control unit, and wherein the holding unit is movable toward the container wall by tensioning at least one of the flexible members between the first and second winding units, and wherein the cleaning unit is provided with a drive for displacing the cleaning unit along the container wall.