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. 20, 2018
Filed:
Dec. 18, 2014
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/00 (2006.01); B60B 9/00 (2006.01); B60B 11/00 (2006.01); B25F 5/00 (2006.01); B60B 19/02 (2006.01); B60B 19/04 (2006.01); B08B 13/00 (2006.01); A47L 11/40 (2006.01); B60B 15/02 (2006.01); B60B 9/06 (2006.01); B60B 9/10 (2006.01);
U.S. Cl.
CPC ...
A47L 9/009 (2013.01); B25F 5/00 (2013.01); B60B 19/02 (2013.01); B60B 19/04 (2013.01); A47L 11/4072 (2013.01); A47L 2201/00 (2013.01); B08B 13/00 (2013.01); B60B 9/06 (2013.01); B60B 9/10 (2013.01); B60B 11/00 (2013.01); B60B 15/021 (2013.01); B60B 2200/49 (2013.01); B60B 2900/351 (2013.01);
Abstract
An automatic cleaner is provided. The automatic cleaner may include a main body, and a wheel assembly disposed in the main body to allow the main body to move. The wheel assembly may include a drive, a first wheel rotated by a power of the drive, and a second wheel rotated by the power of the drive. The second wheel may include a plurality of contact protrusions on an outer circumferential surface thereof.