Patent · US Active

Roller brush assembly and cleaning device

US11344172B2 · kind B2 · utility

2Cited by

5References

14Claims

0Family size

Inventors

Xiaowei Xu · Longbeilingcun, CN
Yuan-Chuen Chen · Taichung, TW
Xianmin Wei · Suzhou, CN
Daming SHEN · Suzhou, CN

Key dates

Filing date	Mar 19, 2019
Grant date	May 31, 2022
Priority date	—
Expiry date	Mar 27, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA47L2201/00
WIPO fieldFurniture, games
WIPO sectorOther fields

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.