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:
Feb. 25, 2020
Filed:
Feb. 23, 2018
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Byungdoo Yim, Seoul, KR;
Inbo Shim, Seoul, KR;
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/28 (2006.01); G05D 1/02 (2006.01); A47L 11/40 (2006.01);
U.S. Cl.
CPC ...
A47L 9/2826 (2013.01); A47L 11/4011 (2013.01); G05D 1/0227 (2013.01); G05D 1/0242 (2013.01); A47L 2201/04 (2013.01); G05D 2201/0215 (2013.01);
Abstract
A robot cleaner comprises: a cleaner body including a controller, and driving wheels having their driving controlled by the controller; a bumper mounted to a bumper mounting portion formed on a front surface of the cleaner body, and configured to be inward moveable by an external force; and a cliff sensor mounted in an opening downward open at a bottom part of the cleaner body, and configured to sense a lower side terrain, wherein the bumper is provided to cover the cliff sensor in a state that the bumper has been inward moved by an external force.