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:
Sep. 30, 2025

Filed:

Nov. 16, 2020
Applicant:

Suzhou Ecovacs Software Technology Co., Ltd., Suzhou, CN;

Inventor:

Qi Li, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 11/40 (2006.01); A47L 11/24 (2006.01);
U.S. Cl.
CPC ...
A47L 11/4041 (2013.01); A47L 11/24 (2013.01); A47L 11/4069 (2013.01);
Abstract

A roller brush assembly and a movable device, and the roller brush assembly includes a roller brush, a power transmission apparatus disposed at one end of the roller brush. The power transmission apparatus includes a housing, a bearing, a power output wheel and a rotating shaft, where the power output wheel is fixedly connected with the rotating shaft, the bearing is fixedly mounted on the housing, and the rotating shaft passes through an inner bore of the bearing to drive the rotation of the roller brush. The movable device may effectively prevent threadlike objects such as, hairs and strings from entering the power transmission apparatus, resulting in the rotation failure of the roller brush.


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