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. 16, 2021
Filed:
Dec. 29, 2017
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47L 11/40 (2006.01); G01R 33/07 (2006.01);
U.S. Cl.
CPC ...
A47L 11/4061 (2013.01); G01R 33/07 (2013.01); A47L 2201/04 (2013.01);
Abstract
A cleaning robot, which performs cleaning operation while moving, includes a cover, to which external force is applied, a movement frame fastened to the cover, a fixed body provided in the cover, a traveling unit connected to the fixed body, and an elasticity setting part configured to movably support the movement frame to the fixed body, wherein the elasticity setting part includes a sensor configured to sense movement of the movement frame.