Patent ID: 8146616

Claim:
A drainage device for arrangement on a floor tile having an aperture for drain water, comprising: an upper inlet aperture into which drain water, having passed through the aperture in the floor tile can enter, seating devices preassembled in a floor area, which can be connected to a drainage pipe, so that drain water, having passed through the inlet aperture, can pass into the drainage pipe, a drain well which can be at least partially received by the seating devices, and which is moveable in relation to the seating devices in such a way that the aperture in the floor tile can be moved in relation to the seating devices, the seating devices and the drain well each comprising a horizontally aligned union connection of the drain well being at least partially received by the union connection of the seating devices, wherein the union connections are able to move relative to one another, thereby enabling the movement of the drain well in relation to the seating devices.