E03D 5/04

Special constructions of flushing devices , {e.g. closed flushing system} operated mechanically or hydraulically {(or pneumatically) also details such as push buttons, levers and pull-card therefor} directly by the seat or cover {combined with devices for opening and closing shutters in the bowl outlet and/or with devices for raising and lowering seat or cover; Raising or lowering seat and/or cover by flushing or by the flushing mechanism}