# US 12,108,924 B1 · Roller brush, floor brush head, brush bristle structure, and vacuum cleaner > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,108,924 B1 - Document ID: US12108924B1 - Status: Granted - Kind: B1 - Application number: 18/746,469 - Filed: 2024-06-18 - Published: 2024-10-10 - Granted: 2024-10-08 - Earliest claimed: 2024-04-08 - Assignees: Yida Electric Technology (Suzhou) Co., LTD - Applicants: Yida Electric Technology (Suzhou) Co., LTD - Inventors: Tianbo Xing; Jundong Xing - Web page: https://patentgrep.com/patent/US12108924B1 ## CPC - A47L 9/0477: {Rolls} - A46B 9/02: Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups - A47L 9/04: with driven brushes or agitators - A47L 11/282: having rotary tools - A47L 11/40: Parts or details of machines not {provided for in} groups A47L11/02 - A47L11/38, {or not restricted to one of these groups}, e.g. handles, arrangements of switches, skirts, buffers, levers - A46B 13/001: {Cylindrical or annular brush bodies} - A47L 9/0606: {rigidly anchored brushes, combs, lips or pads} - A47L 9/0613: {with means specially adapted for picking up threads, hair or the like, e.g. brushes, combs, lint pickers or bristles pads} - A47L 11/4041: {Roll shaped surface treating tools} - A47L: DOMESTIC WASHING OR CLEANING (brushes A46B; cleaning quantities of bottles or of other hollow articles of one kind B08B9/00; laundry D06F); SUCTION CLEANERS IN GENERAL (cleaning in general B08) - A46B: BRUSHES (handles not integral with brushware B25G) ## Abstract The present disclosure discloses a roller brush, a floor brush head, a brush bristle structure, and a vacuum cleaner. The roller brush of the present disclosure includes a roller brush substrate, at least one group of first cleaning slots arranged in group are formed in the roller brush substrate, the number of first cleaning slots in each group arranged in group is at least three, and the first cleaning slots in each group are close to one another. Actions of the cleaning members do not interfere with one another, especially, during surface cleaning for a carpet and the like, dust scrabbled by the first cleaning member in one group can be effectively scraped away by the second cleaning member arranged in the same group and close to the first cleaning member and cannot be beaten into the carpet again. ## Claims ### Claim 1 A roller brush, comprising a roller brush substrate (12), at least one cleaning member mounting portion (1) being arranged on the roller brush substrate (12), each cleaning member mounting portion (1) comprising at least one group of first cleaning slots (11) arranged in group, and the first cleaning slots (11) being configured to arrange cleaning members, wherein the number of the first cleaning slots (11) in each group arranged in group is at least three, the first cleaning slots (11) in each group are close to one another, a space d between slot walls close to each other of any two adjacent first cleaning slots (11) in each group does not exceed 18 mm, in the case that the number of groups of first cleaning slots (11) is one, an angle difference β between central axes of any two adjacent first cleaning slots (11) in each group of first cleaning slots (11) arranged in group on a circumferential surface located on the same cylinder using a central axis of the roller brush substrate (12) as a circle center is less than 360/n, wherein n is the number of the first cleaning slots (11) in each group arranged in group, and in the case that the number of groups of first cleaning slots (11) is greater than or equal to two, an angle difference α between two first cleaning slots (11) close to each other of any two adjacent groups of first cleaning slots (11) is greater than the angle difference β between the two first cleaning slots (11) close to each other in each group. ### Claim 2 (depends on 1) The roller brush according to claim 1, wherein at least one cyclone groove (2) is further formed in a surface of the roller brush substrate (12), at least one of two first cleaning slots (11) located on an outermost side in each group of first cleaning slots (11) is adjacent to the cyclone groove (2), an internal groove wall of one side of the cyclone groove (2) away from the central axis a of the roller brush substrate (12) is a large-diameter groove wall (21), an internal groove wall of one side of the cyclone groove (2) close to the central axis a is a small-diameter groove wall (22), and a distance D between cylindrical surfaces on which the large-diameter groove wall (21) and the small-diameter groove wall (22) are located along a section perpendicular to a and in a radial direction of the roller brush substrate (12) is greater than 2 mm. ### Claim 3 (depends on 2) The roller brush according to claim 2, wherein two sides of the two first cleaning slots (11) on the outermost side in each group of first cleaning slots (11) are each provided with one cyclone groove (2), and the large-diameter groove wall (21) is arranged on one side close to the first cleaning slot (11) adjacent to the large-diameter groove wall. ### Claim 4 (depends on 1) The roller brush according to claim 1, further comprising at least one group of second cleaning portion (3), each group of second cleaning portion (3) comprising two second cleaning slots (31) distributed on the roller brush substrate (12) at an angle difference of 180 degrees, and a distance between the second cleaning slots (31) and the first cleaning slots (11) close to the second cleaning slots (31) being greater than a distance between two adjacent first cleaning slots (11) in each group arranged in group. ### Claim 5 (depends on 2) The roller brush according to claim 2, further comprising at least one group of second cleaning portion (3), each group of second cleaning portion (3) comprising two second cleaning slots (31) distributed on the roller brush substrate (12) at an angle difference of 180 degrees, and a distance between the second cleaning slots (31) and the first cleaning slots (11) close to the second cleaning slots (31) being greater than a distance between two adjacent first cleaning slots (11) in each group arranged in group. ### Claim 6 (depends on 3) The roller brush according to claim 3, further comprising at least one group of second cleaning portion (3), each group of second cleaning portion (3) comprising two second cleaning slots (31) distributed on the roller brush substrate (12) at an angle difference of 180 degrees, and a distance between the second cleaning slots (31) and the first cleaning slots (11) close to the second cleaning slots (31) being greater than a distance between two adjacent first cleaning slots (11) in each group arranged in group. ### Claim 7 (depends on 1) The roller brush according to claim 1, wherein protrusions (4) protruding outwards away from a surface of the roller brush substrate (12) are further arranged between any two groups of first cleaning slots (11). ### Claim 8 (depends on 1) The roller brush according to claim 1, wherein the number of groups of first cleaning slots (11) is an even number, every two groups of first cleaning slots (11) with an angle difference being 180 degrees in a circumferential direction of the roller brush substrate (12) form a cleaning unit, and at least one cleaning unit is arranged on the roller brush substrate (12). ### Claim 9 (depends on 1) A floor brush head, comprising the roller brush according to claim 1, at least one type of cleaning members being capable of being arranged in each first cleaning slot (11), and the cleaning member extending from one end towards the other end in a length direction of a roller brush substrate (12). ### Claim 10 (depends on 2) A floor brush head, comprising the roller brush according to claim 2, at least one type of cleaning members being capable of being arranged in each first cleaning slot (11), and the cleaning member extending from one end towards the other end in a length direction of a roller brush substrate (12). ### Claim 11 (depends on 3) A floor brush head, comprising the roller brush according to claim 3, at least one type of cleaning members being capable of being arranged in each first cleaning slot (11), and the cleaning member extending from one end towards the other end in a length direction of a roller brush substrate (12). ### Claim 12 (depends on 4) A floor brush head, comprising the roller brush according to claim 4, at least one type of cleaning members being capable of being arranged in each first cleaning slot (11), and the cleaning member extending from one end towards the other end in a length direction of a roller brush substrate (12). ### Claim 13 (depends on 7) A floor brush head, comprising the roller brush according to claim 7, at least one type of cleaning members being capable of being arranged in each first cleaning slot (11), and the cleaning member extending from one end towards the other end in a length direction of a roller brush substrate (12). ### Claim 14 (depends on 8) A floor brush head, comprising the roller brush according to claim 8, at least one type of cleaning members being capable of being arranged in each first cleaning slot (11), and the cleaning member extending from one end towards the other end in a length direction of a roller brush substrate (12). ### Claim 15 (depends on 14) The floor brush head according to claim 14, wherein three cleaning members are arranged on a cleaning member mounting portion (1) and are a first cleaning member (131), a second cleaning member (132) and a third cleaning member (133) in sequence, and in the case that the roller brush is in a rotating state, the three cleaning members arranged on each group of cleaning member mounting portion (1) sequentially rotate towards a to-be-cleaned surface respectively in an order of the first cleaning member (131), the second cleaning member (132) and the third cleaning member (133). ### Claim 16 (depends on 15) The floor brush head according to claim 15, wherein the first cleaning member (131) is a hard brush bristle cleaning member, the second cleaning member (132) is a strip-shaped cleaning member, the third cleaning member (133) is a soft brush bristle cleaning member, a hardness of brush bristles of the third cleaning member (133) is less than a hardness of brush bristles of the first cleaning member (131), and a height of the third cleaning member (133) is equal to or greater than a height of the second cleaning member (132) in the case that a height of the first cleaning member (131) is less than the height of the second cleaning member (132); and the height of the third cleaning member (133) is greater than the height of the second cleaning member (132) in the case that the height of the first cleaning member (131) is equal to the height of the second cleaning member (132). ### Claim 17 (depends on 9) A vacuum cleaner, comprising the floor brush head according to claim 9. ### Claim 18 (depends on 12) A vacuum cleaner, comprising the floor brush head according to claim 12. ### Claim 19 (depends on 14) A vacuum cleaner, comprising the floor brush head according to claim 14. ### Claim 20 (depends on 15) A vacuum cleaner, comprising the floor brush head according to claim 15.