SUCTION DEVICE OF VACUUM CLEANER Russian patent published in 2008 - IPC A47L9/02 A47L9/06 

FIELD: items of personal and household use.

SUBSTANCE: suction device of the vacuum cleaner is made in a triangular form and has two lateral edges (5, 6), which make up the pointed part of the suction device. Along the lateral edges (5, 6) there are two suction channels (19, 20), open on the side of the surface being cleaned. The lower surface of the suction device (1) has parallel scraping plates (45, 46), thus the scraping plates run from one lateral edge (5, 6) to the other lateral edge (6, 5). The suction device (1) has a back edge (9) which connects the specified lateral edges (5, 6). The scraping plates (45, 46) can be put at an inclination of 20° in relation to the back edge.

EFFECT: to increase the efficiency of collecting dirt.

10 cl, 4 dwg