Patent ID: 8302254
Filing Date: 2012-11-06
Classification: A47L

Abstract:
1. Dirt-collecting device for a floor-cleaning machine, for picking up a liquid from a floor surface which is to be cleaned, comprising: a carrier, at least one wiping member for wiping the floor surface, a suction channel which opens out into a suction mouth, the carrier and the at least one wiping member forming boundaries of the suction channel, a free cross-sectional area of the suction channel, through which a suction stream can pass, decreases, at least in one channel portion, in a direction away from the suction mouth, at least one channel-narrowing member disposed in the suction channel, the at least one channel-narrowing member being produced separately from the carrier, a surface portion of the at least one channel-narrowing member at least partially delimiting the free cross-sectional area of the suction channel, through which the suction stream can pass, an inclined surface portion of the surface portion being inclined relative to at least one of a channel-bounding portion of the carrier and a corresponding portion of the at least one wiping member, which bounds the suction channel, wherein: