APPARATUS FOR TREATING CONTINUOUS SURFACES Russian patent published in 1997 - IPC

FIELD: surface cleaning equipment. SUBSTANCE: apparatus has hydrovacuum heads connected by pipelines through vacuum distributing unit with vacuum source and washing liquid reservoir, and drive for moving hydrovacuum heads over surface to be treated. Vacuum distributing unit is regulated by control system. Drive is formed as linear vacuum engine, whose stem is connected with one head and cylinder is coupled with other head. Apparatus is provided with mechanism for turning it in plane of surface subjected to treatment and has coupling and wheel kinematically connected with stem. Cylinder is connected with head by coupling. EFFECT: increased efficiency, simplified construction and improved quality of cleaned surface. 5 cl, 2 dwg