The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 30, 2019
Filed:
Nov. 03, 2016
Alfred Kärcher Gmbh & Co. KG, Winnenden, DE;
Robart Gmbh, Linz, AT;
Christian Hofner, Welzheim, DE;
Christian Wurm, Waiblingen, DE;
Heiko Hoennige, Weissach im Tal, DE;
Barbara Pfister, Weissach im Tal, DE;
Markus Duenne, Vreden, DE;
Norman Kohler, Reutlingen, DE;
Heiko Blumhardt, Remseck, DE;
Michael Schahpar, Linz, AT;
Harold Artes, Ottensheim, AT;
Alfred Kärcher SE & Co. KG, Winnenden, DE;
robart GmbH, Linz, AT;
Abstract
A self-propelled, self-steering floor cleaner is provided, including a cleaning device with at least one cleaning unit for cleaning a floor surface of a room having at least a section of an obstacle therein that is not in contact with the floor surface, a transmission unit for emitting radiation directed at the obstacle and the floor surface, a detection unit for detecting reflected radiation and providing a detection signal, a control unit coupled to the detection unit, and a chassis for movement on the floor surface including a drive unit coupled to the control unit, it being determinable from the detection signal whether a space and a cleanable floor surface section are present underneath the obstacle, the drive unit being actuatable to move the floor cleaner for cleaning the floor surface section, with at least one cleaning unit. The invention also relates to a method for cleaning a floor surface.