Window cleaning appliance - with rubber wiper strip above block of viscose sponge

摘要

An appliance to clean blackboards and windows has a strip of wiper rubber (1) in direct contact with absorbent material (2,3) made of cellulose (viscose rayon) or similar material. Reinforcing elements (4,6) permit the rubber to be fixed to the edge (7). A handle passes through the plate (4) and is fixed to the plate (6). On pulling the appliance downward, the clean water contained in the sponge (3) wets the glass pane and the dirty water is displaced by the wiper into the sponge (2,3). ADVANTAGE - This prevents dirty water from dropping to the floor; it combines cleaning with drying.