IP Library › Granted Patent US 12,532,994
Granted Patent B2
US 12,532,994 · App. 18/088,929 · Granted Jan 27, 2026

Cleaning brush and kit thereof

Inventors: Siwen Wang (Zhejiang, CN); Yongdong Wang (Zhejiang, CN); Hui Hu (Zhejiang, CN)
Assignee: Ningbo Shijia Cleaning Tools Co., Ltd
A47K17/00A46B15/0095A46D1/0238A47K11/10A46B2200/304
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Quick Facts
Patent No.
US 12,532,994
App. No.
18/088,929
Granted
Jan 27, 2026
Kind
B2
Abstract

A cleaning brush includes a brush handle, a brush head connected to the brush handle, and a plurality of bristles attached to the surface of the brush head, the cross section of the bristles in at least some areas on the surface of the brush head is polygonal; a cleaning brush kit includes the cleaning brush and a storage box corresponding to the cleaning brush; a side wall of the storage box is provided with an adsorption member, and the adsorption member enables the storage box to be attached to a smooth and hard surface.

Claims (18)

1 . A cleaning brush kit, comprising;

a cleaning brush; and

a storage box configured to house the cleaning brush, wherein the storage box has a side wall, the side wall of the storage box is provided with an adsorption member, and the adsorption member enables the storage box to be attached to a smooth surface and a hard surface,

the storage box comprises:

a seat body having an upper end and a lower end,

a barrel body, wherein the seat body is movably sleeved with the barrel body,

the seat body includes:

a base and a bracket having an upper end, a lower end, a first side end and a second side end, the bracket is placed on the base,

a mounting block extending outwardly from the second side end of the bracket, wherein the barrel body is provided with an escaping groove configured to receive the mounting block,

wherein the storage box includes a socket integrated in the mounting block, the socket has an opening, and the adsorption member is provided with a plug-in block, the plug-in block is configured to be inserted into the socket.

2 . The cleaning brush kit according to claim 1 , wherein the adsorption member is a suction cup.

3 . The cleaning brush kit according to claim 1 , wherein the storage box further comprising an elastic element, the elastic element is disposed between the seat body and the barrel body, the seat body has an outer part, the barrel body is provided with an inner barrel placed in the seat body, the inner barrel is provided with an accommodating cavity, wherein the upper end of the seat body is hinged with a barrel cover, the barrel cover opens and closes as the barrel body moves in a vertical direction, the seat body is provided with an air vent at a lower end of the barrel cover, when the cleaning brush is placed inside the inner barrel, the barrel body moves downward with respect to the seat body against an elastic force produced by the elastic element, to drive the barrel cover to be closed at the upper end of the seat body and enable the air vent to connect the inner barrel with outer part of the seat body.

4 . The cleaning brush kit according to claim 3 , wherein the air vent is provided at the upper end of the bracket, the barrel cover is hinged to the upper end of the bracket, and the inner barrel is sleeved inside the bracket.

5 . The cleaning brush kit according to claim 3 , wherein the barrel cover is provided with an abutting part corresponding to a hinged end thereof, wherein the barrel body is provided with an inclined surface part which abuts against the abutting part and is matched therewith in a guiding manner, and wherein the inclined surface part inclines upward from inside to outside.

6 . The cleaning brush kit according to claim 1 , wherein the cleaning brush further comprising a brush handle, a brush head having an upper surface and a lower surface, the brush head is connected to the brush handle, and a plurality of bristles having a predefined cross section, the plurality of bristles are attached on the upper surface of the brush head and lower surface of the brush head.

7 . The cleaning brush kit according to claim 6 , wherein the brush head is flat, and the cross section of the plurality of bristles are perpendicular to the upper surface of the brush head and the lower surface of the brush head.

8 . The cleaning brush kit according to claim 6 , wherein the cross sections of the plurality of bristles attached on the on the upper surface of the brush head and lower surface of the brush head of the brush head are polygonal.

9 . The cleaning brush kit according to claim 6 , wherein the cross section of the plurality of bristles is rectangular.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 5, 2026
From: WANG, SIWEN; WANG, YONGDONG; HU, HUI
To: NINGBO SHIJIA CLEANING TOOLS CO., LTD
Reel/Frame 073357/0500 →
Priority Claims (1)
CN 202222257832.4 · Aug 26, 2022 · national
Continuity (1)
Related Publication 20240065495A1 · Feb 29, 2024
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