SUCKING-IN WASHER AND HEAD OF VACUUM CLEANER EQUIPPED WITH SUCKING-IN WASHER Russian patent published in 2007 - IPC A47L9/06 

FIELD: domestic appliances.

SUBSTANCE: sucking-in washer has suck-in opening where sucking-in force is created; air channel formed as closed space with preset area and depth. Air channel is separated to first area with specific width and lengths, which area is disposed in front; and second area with specific width and length, which area is disposed behind. There is sucking-in opening in air channel. Scrapper is disposed in air channel. Length of scrapper is longer than length of end of air channel. Scrapper is used for scrapping fibers of carpet while cleaning it. Sucking-in washer has side passes for moving air, which passes are formed at both side ends of air channel. Head of vacuum cleaner has case with internal section where sucking-in force is created; internal air channel in form of closed space with specific area and depth at lower part of case, which makes contact with floor, and scrapper. Air channel is separated to first area with specific length and width, which area is disposed in front, and second area with specific width and length disposed behind. There is sucking-in opening of internal section made in channel. Scrapper, that is longer than end of edge of internal air channel, is disposed inside first of internal air channel and it intends for scrapping fibers of carpet while cleaning it. Front plate and back plate is inserted movable ahead and behind air channel. Both plates form external air channel when cleaning floor. Aid for switching modes is disposed in case. The aid fixes front plate and back plate due to pushing them in and pulling them out.

EFFECT: improved efficiency of cleaning.

18 cl, 14 dwg