# US 10,479,330 B2 · Rotary brush for washing systems, particularly for vehicles

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- Number: US 10,479,330 B2
- Document ID: US10479330B2
- Status: Granted
- Kind: B2
- Application number: 15/446,912
- Filed: 2017-03-01
- Published: 2017-09-07
- Granted: 2019-11-19
- Earliest claimed: 2016-03-01
- Assignees: Favagrossa Edoardo S.R.L.
- Applicants: Favagrossa Edoardo S.R.L.
- Inventors: Leonardo Favagrossa
- Web page: https://patentgrep.com/patent/US10479330B2

## CPC

- B60S 3/06: with rotary bodies contacting the vehicle {(hand-held B60S3/048)}
- A46B 5/0095: {Removable or interchangeable brush heads}
- A46B 9/005: {where the brushing material is not made of bristles, e.g. sponge, rubber or paper}
- A46B 9/02: Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B 9/026: {where the surface of the brush body or carrier is not in one plane, e.g. not flat (A46B9/005 takes precedence)}
- A46B 13/006: {formed by winding a strip tuft in a helix about the body}
- B60S 3/002: {Vehicle drying apparatus}
- A46B 2200/3046: Brushes for cleaning cars or parts thereof
- B60S: SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- A46B: BRUSHES (handles not integral with brushware B25G)

## Abstract

A rotary brush for automatic vehicle washing systems, said brush comprising a central unit (2) and a plurality of cleaning elements (3), operatively supported by and coupled to said central unit (2) through removable coupling means (7); the cleaning elements (3) being removable from said central unit (2) and it being possible to replace and/or remove them without requiring the removal of said central unit from the rotary structure; said central unit (2) comprises a rigid shaft (4) that supports a plurality of supporting elements (5) comprising a plurality of lugs (53) to which the cleaning elements (3) are fastened; the rotary brush is characterized in that said cleaning elements (3) comprise bands (33), fringed and fringeless, helically arranged on said central unit (2) in such a way that each band (33) is coupled to a plurality of supporting elements (5).

## Claims

### Claim 1

A rotary brush for automatic vehicle washing systems, said brush comprising a central unit (2) and a plurality of cleaning elements (3), operatively supported by and coupled to said central unit (2) through removable coupling means (7); said cleaning elements (3) being removable from said central unit (2) and may be replaced and/or removed without requiring the removal of said central unit from the rotary structure; said central unit (2) comprising a rigid shaft (4) that supports a plurality of supporting elements (5) comprising a plurality of lugs (53) to which the cleaning elements (3) are connected; said cleaning elements (3) comprising a plurality of bands (33), fringed and/or fringeless, helically arranged on said central unit (2) in such a way that each band (33) is coupled to a plurality of supporting elements (5); said removable coupling means (7) being selected from the group consisting of hook-and-loop fastener, zips, buttons, clips, hooks, pins, and combinations thereof.

### Claim 2 (depends on 1)

A brush, according to claim 1, wherein said cleaning elements (3) comprise additional bands (31), fringed and/or fringeless, arranged in a ring-line manner on said central unit (2) in such a way that each band (31) of said additional bands arranged in a ring-line manner is integrally supported by a single supporting element (5).

### Claim 3 (depends on 2)

A brush, according to claim 2, wherein said cleaning elements (3) comprise flag elements, fringed and fringeless, individually arranged on each said lug (53) of said central unit (2) in such a way that each supporting element (5) supports a plurality of said additional bands (31) arranged in a ring-line manner on said central unit (2).

### Claim 4 (depends on 1)

A brush, according to claim 1, wherein each said supporting element (5) comprises a clamping ring (52) and a plurality of lugs (53), undulated and/or not undulated, adapted to support said cleaning elements (3).

### Claim 5 (depends on 1)

A brush, according to claim 1, wherein said cleaning elements (3) are associated with said lugs (53) through removable coupling means (7).

### Claim 6 (depends on 1)

A brush, according to claim 1, wherein said cleaning elements (3) are made of materials selected from expanded or non-expanded materials, closed or not closed-cell materials, felt, fabric, microfiber, laminated and coupled materials, or any other materials adapted to perform washing/drying operations of motor vehicles, and which can be assembled separately or intermixed with one another.

### Claim 7 (depends on 1)

A brush, according to claim 1, wherein said supporting elements are integrally moulded from a rigid plastic material.