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1. (WO2018162276) CLEANING ROBOT AND METHOD FOR CLEANING

Pub. No.:    WO/2018/162276    International Application No.:    PCT/EP2018/054739
Publication Date: Fri Sep 14 01:59:59 CEST 2018 International Filing Date: Wed Feb 28 00:59:59 CET 2018
IPC: A47L 11/24
Applicants: ALFRED KÄRCHER SE & CO. KG
Inventors: DIEHL, Ralph
HAYN, Henning
HENRY, Justin
ZERWES, Marius
Title: CLEANING ROBOT AND METHOD FOR CLEANING
Abstract:
The invention relates to a self-propelled and self-steering floor cleaning device, comprising two cleaning rollers (46, 52, 150) that are rotationally driven by at least one drive unit (78, 84, 158) and have cleaning elements (64) for cleaning a floor surface (12), said cleaning rollers (46, 52, 150) being oriented at an angle (80) with respect to each other and the floor-cleaning device (10; 110; 120; 140) being movable across the floor surface (12) with the cleaning rollers (46, 52, 150) rotating. The invention further relates to a method for cleaning a floor surface.