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:
Sep. 23, 2025
Filed:
Oct. 14, 2020
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Hwang Kim, Seoul, KR;
Sanghoon Han, Seoul, KR;
Youngjun Jeon, Seoul, KR;
Byungho Yoon, Seoul, KR;
Soohyun Kim, Seoul, KR;
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/28 (2006.01); A47L 9/00 (2006.01); A47L 11/40 (2006.01); B62D 61/12 (2006.01);
U.S. Cl.
CPC ...
A47L 9/009 (2013.01); A47L 9/2852 (2013.01); A47L 11/4066 (2013.01); A47L 11/4072 (2013.01); B62D 61/12 (2013.01); A47L 2201/00 (2013.01); A47L 2201/04 (2013.01); B60B 2200/49 (2013.01);
Abstract
The present invention relates to a robot vacuum cleaner comprising sub-wheels having variable rotational positions, the robot vacuum cleaner comprising subframes rotatably attached to main frames to ground the sub-wheels when in a constrained state.