Operating device for expiration bell of a flushing cistern, has hydraulic lifting device and solenoid valve formed as one unit for moving lifting arm to operate expiration bell

摘要

The device has a hydraulic lifting device for operating an expiration bell (4), and solenoid valve (15) operated by a gate circuit based on the hydraulic pressure of the hydraulic lifting device. The hydraulic lifting device and the solenoid valve form a unit (7) for moving a lifting arm (6) to operate the expiration bell. An Independent claim is included for the flushing cistern in which the expiration bell operating device is used.