| 摘要 |
A liquid dispensing device for use in the flush cistern of a water closet comprises a strap for suspending the device in the cistern, a container of liquid (5), a body housing a piston (9') in a piston chamber having a outlet for liquid to be pumped from the device by movement of the piston, and a conduit for supplying liquid from the container to the piston chamber, wherein the piston is operated electrically e.g. by a solenoid. |
