Patent ID: 8959705
Filing Date: 2015-02-24
Classification: A47L

Abstract:
1. An automatic robot for cleaning smooth surfaces, comprising: a base having a traveling device, a source of negative pressure, a water feed line and a water drain line, the traveling device being configured to automatically move the base on a smooth surface to be cleaned, the water feed line being configured to apply from 1 gram to 15 grams of water for each square meter of the smooth surface to the smooth surface using a capillary effect and the water drain line being configured to drain dirty water from the smooth surface, the water drain line being disposed so as to be adjacent the smooth surfaces and including a straight bundle of at least one of fibers, tubes and filaments configured to remove the water from the smooth surface using the capillary effect and having a negative pressure from the source of negative pressure such that the water removed by the capillary effect is immediately suctioned through the straight bundle.