DEVICE FOR CLEANING HARD SURFACES, IN PARTICULAR WINDOWS

PCT No. PCT/EP92/01688 Sec. 371 Date Mar. 25, 1994 Sec. 102(e) Date Mar. 25, 1994 PCT Filed Jul. 23, 1992 PCT Pub. No. WO93/02611 PCT Pub. Date Feb. 18, 1993.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 wi...

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Hauptverfasser:	VEIT, EBERHARD, SCHNEIDER, JOSEF, MURRAY, DONALD, W, STORY, MICHAEL CORBETT, DE FILIPPO, ANTONIO, LAMMONS, CARL STEPHEN, KAMM, ROLAND
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BEDS CHAIRS COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING FURNITURE HUMAN NECESSITIES SOFAS SPICE MILLS SUCTION CLEANERS IN GENERAL
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Zusammenfassung:	PCT No. PCT/EP92/01688 Sec. 371 Date Mar. 25, 1994 Sec. 102(e) Date Mar. 25, 1994 PCT Filed Jul. 23, 1992 PCT Pub. No. WO93/02611 PCT Pub. Date Feb. 18, 1993.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.