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.

Date of Patent:
Aug. 11, 2026

Filed:

Jan. 24, 2022
Applicants:

Jiangsu Midea Cleaning Appliances Co., Ltd., Suzhou, CN;

Midea Group Co., Ltd., Foshan, CN;

Inventors:

Zhihong Qiu, Suzhou, CN;

Jianming Huang, Suzhou, CN;

Yakun Wang, Suzhou, CN;

Min Wei, Suzhou, CN;

Fuping Cheng, Suzhou, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/04 (2006.01);
U.S. Cl.
CPC ...
A47L 9/0411 (2013.01); A47L 9/0433 (2013.01); A47L 9/0444 (2013.01); A47L 9/0455 (2013.01); A47L 9/0477 (2013.01);
Abstract

Provided is a floor brush assembly for a vacuum cleaner. The floor brush assembly includes a roller brush component and a driving mechanism. A roller brush body of the roller brush component is rotatably mounted in a sleeve. The roller brush body is provided with bristles arranged in an elongated shape to form a bristle portion. The sleeve of the roller brush component has an avoidance opening of an elongated shape, and the bristle portion and the avoidance opening are arranged to directly face towards each other in a radial direction of the roller brush body. A first driving member of the driving mechanism is configured to drive the roller brush body to rotate, and a second driving member is configured to drive the sleeve to rotate. The first driving member and the second driving member are eccentrically arranged to allow the bristle portion to be selectively extended or retracted through the avoidance opening.


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