Title:
ROBOT VACUUM
Document Type and Number:
WIPO Patent Application WO/2021/060661
Kind Code:
A1
Abstract:
A robot vacuum is provided. A robot vacuum according to one embodiment of the present invention comprises a body, a first rotating plate, a second rotating plate, a first rag, a second rag, a first support wheel, a second support wheel, and a first lower sensor. The first lower sensor senses the relative distance to a floor. The first lower sensor is positioned between the first support wheel and the second support wheel, and is positioned away from the first rotating plate and the second rotating plate farther than the first wheel and the second wheel are positioned away from same. According to an embodiment of the present invention, a robot vacuum can move by being supported by the first rag, the second rag, the first support wheel, and the second support wheel, and can easily avoid a cliff where the floor unexpectedly lowers.
Inventors:
KIM JONG HOON (KR)
KIM YOUNG HO (KR)
AHN GEE YOUNG (KR)
KIM YOUNG HO (KR)
AHN GEE YOUNG (KR)
Application Number:
PCT/KR2020/007164
Publication Date:
April 01, 2021
Filing Date:
June 02, 2020
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
A47L11/40; A47L11/14; A47L11/283; B25J19/00; B25J19/02
Foreign References:
| KR20190015934A | 2019-02-15 | |||
| JP2018099293A | 2018-06-28 | |||
| KR20180106225A | 2018-10-01 | |||
| KR20180105109A | 2018-09-27 | |||
| JP2006087507A | 2006-04-06 |
Attorney, Agent or Firm:
NAM & NAM (KR)
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