VACUUM CLEANER HEAD Russian patent published in 1994 - IPC

FIELD: cleaning technology. SUBSTANCE: head has a box rectangle in plane body with a cover which, in turn, has a window facing the side of a treated surface, a branch pipe connected to the vacuum cleaner and mounted on an axle in the body. The head also has a cylindrical working member with blades for setting it in rotation and cleaning members passing through the window for engagement with the treated surface. Moreover, the head has a main channel with a slot facing the treated surface for catching the air from the atmosphere, and a working medium feed branch pipe. The body has a horizontally positioned partition with holes for passing the cleaning members which forms with the walls of the main channel an additional air flow channel communicating with the base. The additional channel is connected to the branch pipe and the partition holes are located above the window. EFFECT: improved structure. 3 cl, 5 dwg