US 12,402,769 B2
Wet-and-dry floor brush for vacuum cleaner
Zhuang Bian, Jiangsu (CN); and Pierre-Louis Bodin, Vernon (FR)
Assigned to SEB S.A., (FR)
Appl. No. 17/618,052
Filed by SEB S.A., Ecully (FR)
PCT Filed Dec. 20, 2019, PCT No. PCT/EP2019/086591
§ 371(c)(1), (2) Date Dec. 10, 2021,
PCT Pub. No. WO2020/249248, PCT Pub. Date Dec. 17, 2020.
Claims priority of application No. 201910504305.9 (CN), filed on Jun. 12, 2019; and application No. 201920874703.5 (CN), filed on Jun. 12, 2019.
Prior Publication US 2022/0304537 A1, Sep. 29, 2022
Int. Cl. A47L 11/40 (2006.01); A47L 5/12 (2006.01)
CPC A47L 11/4083 (2013.01) [A47L 5/12 (2013.01); A47L 11/4088 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A wet-and-dry floor brush for a vacuum cleaner, comprising:
a floor brush body including at least one dust suction port at a bottom of the floor brush body; and
a wet mopping device comprising a base plate for having a mop cloth mounted thereto, and a liquid supply tank located on an upper side of the base plate for supplying a cleaning liquid to the mop cloth, the base plate including a number of liquid discharge holes, and a lower portion of the liquid supply tank including a liquid outlet in fluid communication with the number of liquid discharge holes;
wherein the liquid outlet is provided with a valve for opening and closing the liquid outlet, and the liquid supply tank includes an external action member which is operable by a user, wherein the action member and the valve are disposed in a manner allowing a transmission of rotational motion such that the user is able to open or close the liquid outlet by operating the action member by applying a force on the action member toward the base plate such that the action member contacts a plug to open the valve;
wherein the base plate includes a cavity and a venting pipe connecting the cavity with the liquid supply tank, the venting pipe protruding from an upper surface of the base plate and up to above a maximum fill level of liquid in the liquid supply tank.