Device for cleaning hard surfaces, in particular windows

Details Device for cleaning hard surfaces, in particular windows Device for cleaning hard surfaces, in particular windows

A - Human Necessities

47

L

A47L 1/08 (2006.01)

Patent

CA 2114322

In order to reduce the energy consumption of the suction unit, on the one hand, and to improve the cleaning effect, on the other hand, of a wiper device for hard surfaces, in particular a window wiper, comprising a slit-shaped suction nozzle, on which a flexible wiper lip is arranged, which protrudes forwardly beyond the suction nozzle, it is suggested that the wiper lip be held on a wall of the suction nozzle and drawn against the opposite wall of the suction nozzle under the influence of a suction stream in the suction nozzle and thereby close the suction nozzle.

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