VACUUM CLEANER NOZZLES FOR FLOOR CLEANING Russian patent published in 2010 - IPC A47L9/02 

FIELD: personal use articles.

SUBSTANCE: floor nozzle is designed for vacuum cleaner and is used for floor cleaning. The floor nozzle contains widening suction channel in the suction hole, front edge going perpendicularly to the main direction of the main movement and at least one first front floor roller and one second front floor roller which are placed at different distances from the front edge. The first front floor roller is installed before suction hole and the second front roller is installed behind suction hole. Suction hole is placed near the first front roller at a longer distance from the front edge than from the second front floor roller. Suction hole has bent form or it has hollow with first front floor roller for to provide different mentioned distances. Additional rear floor rollers which are placed at the same distance from the front edge are placed behind first and second front floor rollers.

EFFECT: removal of knock on the joints, when the vacuum cleaner nozzle is moved and improvement of it's working capacity at a frontal direction.

5 cl, 3 dwg