Cleaning device for the surface of a facade

Abstract

A cleaning device (9) for a facade surface (3) of a building (1), comprising at least one elongate wiper strip unit (10) movable back and forth along at least one guide rail unit (6) by means of a stationarily arranged drive motor (45), the wiper strip unit extending at right angles to the guide rail unit (6), and comprising at least one cleaning fluid line (29) with which spray nozzles (31) directed towards the surface (2) to be cleaned are connected; for a simple, space-saving design thereof, the wiper strip unit (10) includes at least one carrier (19) slidingly guided in the guide rail unit (6), the carrier being tightly connected to a linear driving element (32), e.g. a toothed belt (33) that is movable along the guide rail unit (6), the stationarily arranged drive motor (45) being associated with this driving element.

Dependencies are inferred from the claim text.