DRAIN ACCESSORIES Russian patent published in 2000 - IPC

FIELD: sanitary appliances (top-actuated flushing cisterns for water-closet pans and the like). SUBSTANCE: drain accessories include overflow unit with float and shutoff valves, cap, start button, and overflow unit operating mechanism. Overflow unit is built up of two coaxial lengthwise adjustable tubes with float and shutoff valve mounted on lower end of external tube. Internal tube is hinged to operating mechanism by means of link; operating mechanism is hinged to start button and to flushing cistern cover by means of stiff suspension. Start button is installed on flushing cistern cover by means of vertically moving spring-loaded bushing. Cap may be rigidly fixed to flushing cistern bottom. EFFECT: simplified design, reduced metal input. 3 cl, 1 dwg