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:
May. 18, 2021
Filed:
Sep. 14, 2017
Applicant:
Samsung Electronics Co., Ltd., Suwon, KR;
Inventors:
Sang Sik Yoon, Suwon, KR;
Byung Chan Kim, Yongin, KR;
Byoung In Lee, Suwon, KR;
Jun Hwa Lee, Suwon, KR;
Jae Young Jung, Suwon, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/04 (2006.01); A47L 9/28 (2006.01); G05D 1/02 (2020.01); A47L 11/40 (2006.01);
U.S. Cl.
CPC ...
A47L 9/04 (2013.01); A47L 9/2847 (2013.01); A47L 9/2852 (2013.01); A47L 11/4072 (2013.01); G05D 1/0225 (2013.01); G05D 1/0242 (2013.01); G05D 1/0255 (2013.01); A47L 2201/02 (2013.01); A47L 2201/04 (2013.01); G05D 2201/0203 (2013.01);
Abstract
A robot cleaner includes a body to travel on a floor; an obstacle sensing unit to sense an obstacle approaching the body; an auxiliary cleaning unit pivotably mounted to a bottom of the body, to be extendable and retractable; and a control unit to control extension or retraction of the auxiliary cleaning unit based on a pivot angle formed by the auxiliary cleaning unit with respect to a travel direction of the body when the obstacle is sensed.