DEVICE FOR SURFACE CLEANING Russian patent published in 1999 - IPC

FIELD: cleaning of surfaces of transport facilities, applicable for washing of glazed surfaces of windows of apartments and offices, as well as for transfer of liquids in conditions of life. SUBSTANCE: the device uses a washing component, for instance a brush, pressure source made of elastic material, and a valve for supply of detergent to the washing component. It is furnished with an auxiliary valve installed at the inlet of detergent to the pipeline, and the pressure source is located between the two valves and communicates with the pipeline through holes. The valve that feeds detergent to the washing component is made as a ball whose travel is restricted on the side of the pressure source by a seat, and on the side of the washing component - by a restricting bush with slotted grooves in the axial direction. The pressure source is rigidly attached to the ball valve feed pipe connection. EFFECT: enhanced convenience of use and simplified design. 2 cl, 1 dwg