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. 29, 2026

Filed:

Jun. 02, 2022
Applicant:

Beijing Roborock Technology Co., Ltd., Beijing, CN;

Inventors:

Yunlong Yang, Beijing, CN;

Liang Qiao, Beijing, CN;

Lei Zhang, Beijing, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A47L 11/30 (2006.01); A47L 11/40 (2006.01);
U.S. Cl.
CPC ...
A47L 11/30 (2013.01); A47L 11/4016 (2013.01); A47L 11/4083 (2013.01); A47L 11/4088 (2013.01);
Abstract

A cleaning device is disclosed that includes a main body, a cleaning assembly, and a connection mechanism. The cleaning device further includes a cleaning liquid supply system including a cleaning liquid reservoir and a cleaning liquid output pipeline; and a dirt recovery system including a dirt reservoir, a dirt suction pipeline and a fan assembly. The connection mechanism is configured to connect the main body and the cleaning assembly, and includes at least two rotational connection portions, rotation axes of which are not parallel to each other; and the at least two rotational connection portions are configured to enable the main body to rotate relative to the cleaning assembly about the rotation axis of each of the at least two rotational connection portions.


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