FLOOR SWEEPING MACHINE Russian patent published in 2003 - IPC

FIELD: floor washing and drying equipment. SUBSTANCE: machine has casing incorporating tank for washing solution and vacuumized tank for waste liquid, brush unit, mud trap connected through flexible hose with vacuumized tank for waste liquid, and three drive wheels. One immovable drive wheel is positioned immediately after brush unit and two movable drive wheels are arranged before mud trap. Vacuumized tank is equipped with chamber for pumping and filtering of air flow, said chamber being provided with branch pipe, whose upper cut is positioned higher than suction branch pipe of vacuuming unit. Mud trap is attached by means of hanger for rotation in two mutually perpendicular planes. Disk brushes are pivotally attached to reducer hollow shaft. Hanger for mud trap has two flat springs and screw drive for adjusting of inclination angle. EFFECT: improved operating characteristics, simplified construction and prolonged service life of floor sweeping machine. 2 cl, 5 dwg