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. 31, 2022
Filed:
Mar. 19, 2019
Applicant:
Midea Robozone Technology Co., Ltd., Suzhou, CN;
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 11/40 (2006.01); A47L 9/04 (2006.01); A46B 5/00 (2006.01); A46B 13/00 (2006.01); A46B 13/02 (2006.01); A47L 11/24 (2006.01);
U.S. Cl.
CPC ...
A47L 11/4041 (2013.01); A46B 5/0037 (2013.01); A46B 13/001 (2013.01); A46B 13/02 (2013.01); A47L 9/0411 (2013.01); A47L 9/0477 (2013.01); A47L 9/0488 (2013.01); A47L 11/24 (2013.01); A47L 11/4069 (2013.01); A46B 2200/3033 (2013.01); A47L 2201/00 (2013.01);
Abstract
A roller brush assembly and a cleaning device are provided. The above roller brush assembly is applied in the cleaning device, including: a main roller brush; an electric motor configured to drive the main roller brush to rotate to sweep a surface to be cleaned; and an auxiliary roller brush driven by the main roller brush to rotate and sweep the surface to be cleaned towards the main roller brush.