AUTOMATIC FLOOR SWEEPING MACHINE Russian patent published in 1998 - IPC

FIELD: floor sweeping equipment. SUBSTANCE: machine has frame-base, housing, vessel for washing liquid, vessel for collecting used washing liquid, air suction unit, working tool made in the form of cylindrical drum with rubber scrapers fixed in helical path on drum surface, washing liquid flow rate regulator, washing device made in the form of scraper-grip, and wetting device. Housing is formed by vessels mounted on frame-base and provided with U-shaped dividing members having gaged openings. One dividing member is connected with discharge branch pipe of air suction unit and other dividing member is connected with inlet branch pipe of washing device. Air suction unit and working tool are provided with separate drive mechanisms or have single electric drive. EFFECT: increased efficiency, reduced metal usage and improved maneuverability and provision for dry floor sweeping. 2 cl, 9 dwg