EP1428456B1 - Roller for rotating cylindrical brushes applicable in any industrial, road-related or other sector - Google Patents
Roller for rotating cylindrical brushes applicable in any industrial, road-related or other sector Download PDFInfo
- Publication number
- EP1428456B1 EP1428456B1 EP03026175A EP03026175A EP1428456B1 EP 1428456 B1 EP1428456 B1 EP 1428456B1 EP 03026175 A EP03026175 A EP 03026175A EP 03026175 A EP03026175 A EP 03026175A EP 1428456 B1 EP1428456 B1 EP 1428456B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- holes
- bristles
- tufts
- planes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B13/00—Brushes with driven brush bodies or carriers
- A46B13/001—Cylindrical or annular brush bodies
- A46B13/003—Cylindrical or annular brush bodies made up of a series of annular brush rings; Annular brush rings therefor
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/30—Brushes for cleaning or polishing
- A46B2200/3066—Brush specifically designed for use with street cleaning machinery
Definitions
- the present invention relates to a roller for rotating cylindrical brushes that can be applied in any industrial, road-related or other sector.
- large cylindrical brushes which have tufts of bristles or filaments, which can be even 30 centimeters long and even more than 4 meters wide and are installed and actuated so that they can rotate about a horizontal axis for cleaning and treating any surface, for example courtyards, streets, squares, industrial buildings or the like.
- the arrangement of the tufts of bristles in these kinds of roller does not entail particular problems and ensures a good result in terms of cleaning and/or treatment, without leaving any untreated regions.
- Brushes are also known which are constituted by a plurality of rings adapted to be assembled and packed side by side, optionally with spacers interposed, on a central tubular core: such rings have bristles that usually extend at right angles to the rotation axis (radial direction) and are usually arranged on planes that are perpendicular to the axis of the central tubular core.
- the radial arrangement of the bristles forms dirt release regions between the contiguous rows of bristles; due to the linear motion of the roller on the surface to be cleaned, said release regions assume the shape of narrow elongated streaks of dirt that are deposited by the roller itself.
- roller brushes are available from the documents US-A- 3 688 335 , US-A- 5 598 600 , GB-A- 2 086 717 and DE-A- 3 342 833 .
- the aim of the present invention is to eliminate the above-noted drawbacks of the prior art, by providing a roller for rotating cylindrical brushes that can be applied in any industrial, road-related or other sector and does not leave streaks of dirt on the surfaces on which it acts, removes dirt forcefully also by means of lateral motion components, can be fitted with filaments of different kinds, operates without the need for high pressures and therefore has a reduced wear and reduces the stresses affecting the mechanical parts.
- an object of the present invention is to provide a roller for rotating cylindrical brushes that is simple, relatively easy to provide in practice, safe in use and effective in operation.
- roller for rotating cylindrical brushes that can be applied in any industrial, road-related or other sector, of the kind constituted by a central support, on the outer surface of which a plurality of holes for inserting and fixing respective tufts of bristles are distributed with a constant spacing, characterized in that said support is constituted by at least one cylindrical ring and in that said holes are arranged on planes that are perpendicular to the axis of the roller and are successively and alternately inclined on either side with respect to planes that are radial or parallel to radial planes that pass through the axis of the cylinder and through the respective hole in order to sweep, with the ends of the bristles, two bands arranged laterally to the row of tufts.
- the reference numeral 1 generally designates a roller for rotating cylindrical brushes that can be applied in any industrial, road-related or other sector according to the invention.
- the roller 1 is of the type that comprises a central support 2, which is constituted by at least one cylindrical ring 3 formed by molding or by extruding a material such as plastics, wood, metal alloys, which has a cylindrical tubular shape and a maximum thickness for example of thirty millimeters.
- the rollers are keyed on a substantially horizontal rotating actuation shaft A, and in relation to this, for example, in a preferred embodiment the central hole of the support has at least one radial slot 4 for rotary coupling to a corresponding external longitudinal rib for coupling of the shaft A.
- the presence and size of the slot 4 are closely correlated to the shape and dimensions of the support, and in some cases the slot may not be present: clearly, the mutual staggering of the different rings 3 becomes necessary when a plurality of rings are present, in which case the longitudinal rib also acts as an element for staggering the different rings.
- the radial slot 4 may have any shape and dimensions, and a different number of rings 3 may be present.
- the bases of the support are cut along two parallel planes that are perpendicular to the direction of the axis a of the cylindrical ring.
- the reference numeral 5 designates tufts of bristles that are distributed along the ring 3 and lie on planes that are perpendicular to the axis a of the ring; in particular, they can be either actually radial or parallel to a radial plane but slightly offset by a short extent from said plane; with this distribution of the tufts of bristles, actuating the roller in one direction produces a sort of soft brushing of the treated surface, while rotation in the opposite direction has a more forceful scraping effect on the surface.
- the tufts 5 have one of their ends inserted and secured by means of a metal staple or glued or heat-sealed in a corresponding hole 6 of the support, that is arranged with its open end on a plane perpendicular to axis a and support, which is radial or parallel to a plane that is radial but slightly offset by a short extent from said plane.
- the holes 6 have axes I, II, III... XVI (see figure 5-6 ) that are successively and alternately inclined on either side by angles that are comprised between 0 and 35 positive degrees and between 0 and 35 negative degrees with respect to radial planes that pass through the axis of the cylinder and through the respective hole in order to sweep, with the ends of the bristles, two bands located laterally to the row of tufts.
- the tufts of bristles are made of synthetic material (such as for example polypropylene and/or nylon and/or polyester), natural material (of animal or plant origin), and/or metallic material, and can be distributed in the holes with different characteristics, alternating tufts of a certain material with tufts of a different material; the tufts may also be made of bristles having several diameters and/or different materials; it is possible to alternate on the shaft A rings provided with bristles and spacer rings 7 that are likewise cylindrical and have no bristles.
- the width of the support 2 may be any, even up to the full length of the roller, or can be slightly wider than a row of tufts: in this case, a spacer ring of any width can be interposed between the supports and the holes for the tufts can be distributed on any number of rows and be arranged so that they are aligned or mutually offset: in particular, the holes can be distributed along rings or along a cylindrical spiral having any spacing pitch correlated to the cleaning requirements of the roller: the pitch of the spiral may be any, and as the pitch increases the alternating inclination of the bristles on either side must also increase.
- the operation of the invention is as follows: by means of the rotation of the shaft A that moves the support or pack of supports 2, the crest of the free end of the tufts 5 oscillates laterally on either side, affecting a certain width of the surface to be cleaned in front of the roller that is larger than the distance between two contiguous rows of tufts: in practice, with the rotation of the roller through 360 degrees, the ends of the bristles have, with respect to the surface to be cleaned, two mutually perpendicular movements: a longitudinal one, tangentially to the free ends of the bristles, and a transverse one, produced by the inclination of the bristles on either side.
- the bristles are slightly longer than the bristles inserted in the support radially in a conventional manner; in this manner, the wear of the bristles is reduced and accordingly the roller has a longer life.
Landscapes
- Brushes (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
Description
- The present invention relates to a roller for rotating cylindrical brushes that can be applied in any industrial, road-related or other sector.
- In the particular sector of brushes for industrial, road-related or other uses, large cylindrical brushes are known which have tufts of bristles or filaments, which can be even 30 centimeters long and even more than 4 meters wide and are installed and actuated so that they can rotate about a horizontal axis for cleaning and treating any surface, for example courtyards, streets, squares, industrial buildings or the like.
- The arrangement of the tufts of bristles in these kinds of roller does not entail particular problems and ensures a good result in terms of cleaning and/or treatment, without leaving any untreated regions.
- Brushes are also known which are constituted by a plurality of rings adapted to be assembled and packed side by side, optionally with spacers interposed, on a central tubular core: such rings have bristles that usually extend at right angles to the rotation axis (radial direction) and are usually arranged on planes that are perpendicular to the axis of the central tubular core.
- The radial arrangement of the bristles forms dirt release regions between the contiguous rows of bristles; due to the linear motion of the roller on the surface to be cleaned, said release regions assume the shape of narrow elongated streaks of dirt that are deposited by the roller itself.
- Moreover, with the arrangement of the tufts of bristles in a ring or roller, there are no lateral motions that tend to better remove dirt from the surface being cleaned and/or treated.
- In conventional brushes it is usually not possible or convenient to arrange bristles made of different materials on the same ring: moreover, the ring requires a certain pressure in order to reach the regions located between two contiguous rings of bristles, and this leads to faster wear and, with wear, to less effective cleaning.
- Examples of roller brushes are available from the documents
US-A- 3 688 335 ,US-A- 5 598 600 ,GB-A- 2 086 717 DE-A- 3 342 833 . - The aim of the present invention is to eliminate the above-noted drawbacks of the prior art, by providing a roller for rotating cylindrical brushes that can be applied in any industrial, road-related or other sector and does not leave streaks of dirt on the surfaces on which it acts, removes dirt forcefully also by means of lateral motion components, can be fitted with filaments of different kinds, operates without the need for high pressures and therefore has a reduced wear and reduces the stresses affecting the mechanical parts.
- Within this aim, an object of the present invention is to provide a roller for rotating cylindrical brushes that is simple, relatively easy to provide in practice, safe in use and effective in operation.
- This aim and this and other objects that will become better apparent hereinafter are achieved by the present roller for rotating cylindrical brushes that can be applied in any industrial, road-related or other sector, of the kind constituted by a central support, on the outer surface of which a plurality of holes for inserting and fixing respective tufts of bristles are distributed with a constant spacing, characterized in that said support is constituted by at least one cylindrical ring and in that said holes are arranged on planes that are perpendicular to the axis of the roller and are successively and alternately inclined on either side with respect to planes that are radial or parallel to radial planes that pass through the axis of the cylinder and through the respective hole in order to sweep, with the ends of the bristles, two bands arranged laterally to the row of tufts.
- Further characteristics and advantages of the present invention will become better apparent from the following detailed description of a preferred but not exclusive embodiment of a roller for rotating cylindrical brushes that can be applied in any industrial, road-related or other sector, illustrated by way of non-limiting example in the accompanying drawings, wherein:
-
Figure 1 is a front view, with tufts shown schematically, of a roller for rotating cylindrical brushes applicable in any industrial, road-related or other sector in a spaced configuration; -
Figure 2 is a front view, with tufts shown schematically, of a roller for rotating cylindrical brushes applicable in any industrial, road-related or other sector with a plurality of rings in a packed configuration; -
Figure 3 is a front view, with tufts shown schematically, of a roller for cylindrical brushes with a single ring with tufts distributed along mutually spaced circles; -
Figure 4 is a front view, with tufts shown schematically, of a roller for cylindrical brushes with a single ring coiled in a cylindrical spiral; -
Figure 5 is a perspective view of a narrow central support with a row of tufts of bristles, in which, for the sake of clarity, a single bristle for each tuft and the imaginary annular band swept by the bristles have been shown; -
Figure 6 is a side view of a support on which sixteen tufts of bristles are distributed, the tufts being numbered progressively with Roman numerals that designate, by means of corresponding black arrows, respective sectional planes; -
Figure 7 is a view of the ordered succession of the cross-sections of the support ofFigure 6 ; -
Figure 8 is a side view of a supporting portion with holes for the tufts of bristles distributed in a cylindrical spiral that is wound along one spacing pitch; -
Figure 9 is a view of the ordered succession of the cross-sections of the support ofFigure 8 . - With reference to the figures, the reference numeral 1 generally designates a roller for rotating cylindrical brushes that can be applied in any industrial, road-related or other sector according to the invention.
- The roller 1 is of the type that comprises a
central support 2, which is constituted by at least onecylindrical ring 3 formed by molding or by extruding a material such as plastics, wood, metal alloys, which has a cylindrical tubular shape and a maximum thickness for example of thirty millimeters. The rollers are keyed on a substantially horizontal rotating actuation shaft A, and in relation to this, for example, in a preferred embodiment the central hole of the support has at least one radial slot 4 for rotary coupling to a corresponding external longitudinal rib for coupling of the shaft A. - The presence and size of the slot 4 are closely correlated to the shape and dimensions of the support, and in some cases the slot may not be present: clearly, the mutual staggering of the
different rings 3 becomes necessary when a plurality of rings are present, in which case the longitudinal rib also acts as an element for staggering the different rings. - Various kinds of element are used to stagger rollers with a plurality of rings, and therefore the radial slot 4 may have any shape and dimensions, and a different number of
rings 3 may be present. - The bases of the support are cut along two parallel planes that are perpendicular to the direction of the axis a of the cylindrical ring.
- The
reference numeral 5 designates tufts of bristles that are distributed along thering 3 and lie on planes that are perpendicular to the axis a of the ring; in particular, they can be either actually radial or parallel to a radial plane but slightly offset by a short extent from said plane; with this distribution of the tufts of bristles, actuating the roller in one direction produces a sort of soft brushing of the treated surface, while rotation in the opposite direction has a more forceful scraping effect on the surface. - The
tufts 5 have one of their ends inserted and secured by means of a metal staple or glued or heat-sealed in acorresponding hole 6 of the support, that is arranged with its open end on a plane perpendicular to axis a and support, which is radial or parallel to a plane that is radial but slightly offset by a short extent from said plane. - The
holes 6 have axes I, II, III... XVI (seefigure 5-6 ) that are successively and alternately inclined on either side by angles that are comprised between 0 and 35 positive degrees and between 0 and 35 negative degrees with respect to radial planes that pass through the axis of the cylinder and through the respective hole in order to sweep, with the ends of the bristles, two bands located laterally to the row of tufts. - The tufts of bristles are made of synthetic material (such as for example polypropylene and/or nylon and/or polyester), natural material (of animal or plant origin), and/or metallic material, and can be distributed in the holes with different characteristics, alternating tufts of a certain material with tufts of a different material; the tufts may also be made of bristles having several diameters and/or different materials; it is possible to alternate on the shaft A rings provided with bristles and
spacer rings 7 that are likewise cylindrical and have no bristles. - The width of the
support 2 may be any, even up to the full length of the roller, or can be slightly wider than a row of tufts: in this case, a spacer ring of any width can be interposed between the supports and the holes for the tufts can be distributed on any number of rows and be arranged so that they are aligned or mutually offset: in particular, the holes can be distributed along rings or along a cylindrical spiral having any spacing pitch correlated to the cleaning requirements of the roller: the pitch of the spiral may be any, and as the pitch increases the alternating inclination of the bristles on either side must also increase. - The operation of the invention is as follows: by means of the rotation of the shaft A that moves the support or pack of
supports 2, the crest of the free end of thetufts 5 oscillates laterally on either side, affecting a certain width of the surface to be cleaned in front of the roller that is larger than the distance between two contiguous rows of tufts: in practice, with the rotation of the roller through 360 degrees, the ends of the bristles have, with respect to the surface to be cleaned, two mutually perpendicular movements: a longitudinal one, tangentially to the free ends of the bristles, and a transverse one, produced by the inclination of the bristles on either side. - Thanks to the inclination of the tufts of
bristles 5, no "dead" regions are left on the surface to be treated: moreover, the inclined distribution of the bristles produces a lateral motion component that tends to improve the final results in terms of cleaning and treatment of surfaces. - Moreover, it is possible to alternate tufts of bristles made of different materials without producing uneven cleaning bands.
- It is also noted that the bristles are slightly longer than the bristles inserted in the support radially in a conventional manner; in this manner, the wear of the bristles is reduced and accordingly the roller has a longer life.
- It has thus been shown that the invention achieves the intended aim and object.
- The invention thus conceived is susceptible of numerous modifications and variations, all of which are within the scope of the appended claims.
- All the details may further be replaced with other technically equivalent ones.
- In practice, the materials used, as well as the shapes and the dimensions, may be any according to requirements without thereby abandoning the scope of the protection of the appended claims.
- Where technical features mentioned in any claim are followed by reference signs, those reference signs have been included for the sole purpose of increasing the intelligibility of the claims and accordingly such reference signs do not have any limiting effect on the interpretation of each element identified by way of example by such reference signs.
Claims (7)
- A roller (1) for rotating cylindrical brushes that can be applied in any industrial, road-related or other sector, of the kind constituted by a central support (2), on the outer surface of which a plurality of holes (6) for inserting and fixing ends of respective tufts of bristles (5) are distributed with a constant spacing, characterized in that said support is constituted by at least one cylindrical ring (3) and in that said holes (6) are arranged with their open end on planes that are perpendicular to the axis (a) of the roller (1), said holes (6) having successively inclined axes (I, II,...XVI), with the holes (6) arranged on diametrically opposed regions of the ring (3) having the axes (II,X; III,XI; IV,XII; V,XIII; VI,XIV; VII,XV; VIII, XVI) alternately inclined on either side with respect to said perpendicular planes that are radial or parallel to radial planes that pass through the axis (a) of the roller (1) and through the respective hole (6) in order to sweep, with the free ends of the bristles that are opposite the ends inserted in said holes (6), two bands arranged laterally to the row of tufts inserted in said holes (6).
- The roller according to claim 1, characterized in that said holes (6) with axes (I,II,...XVI) that are successively and alternately inclined on either side have the axes (I, II; ...XVI) inclined at successively different angles which are comprised between 0 and 35 degrees.
- The roller according to one or more of the preceding claims, characterized in that the tufts of bristles (5) are made of a material of the synthetic and/or natural and/or metallic type.
- The roller according to one or more of the preceding claims, characterized in that said tufts of bristles in a same roller are made of different materials.
- The roller according to one or more of the preceding claims, characterized in that said central support (2) has said plurality of holes (6) distributed with a substantially constant spacing along parallel circles.
- The roller according to one or more of the preceding claims, characterized in that said plurality of holes (6) are distributed on said central support (2) with a constant spacing along a cylindrical spiral.
- The roller according to one or more of the preceding claims, characterized in that the free ends of said bristles (5), during the rotation of the support through 360 degrees, have displacements that are synchronized in two mutually perpendicular directions.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/003,347 US20050081316A1 (en) | 2002-12-13 | 2004-12-06 | Roller for rotating cylindrical brushes applicable in any industrial, road-related or other sector |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000784A ITBO20020784A1 (en) | 2002-12-13 | 2002-12-13 | ROLLER FOR REVOLVING CYLINDRICAL BRUSHES APPLICABLE |
ITBO20020784 | 2002-12-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1428456A1 EP1428456A1 (en) | 2004-06-16 |
EP1428456B1 true EP1428456B1 (en) | 2009-02-25 |
Family
ID=32321409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03026175A Expired - Lifetime EP1428456B1 (en) | 2002-12-13 | 2003-11-17 | Roller for rotating cylindrical brushes applicable in any industrial, road-related or other sector |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1428456B1 (en) |
AT (1) | ATE423488T1 (en) |
DE (1) | DE60326308D1 (en) |
ES (1) | ES2323682T3 (en) |
IT (1) | ITBO20020784A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI20050221A (en) * | 2005-02-25 | 2006-08-26 | Sajakorpi Oy | Brush roller |
NL2001348C2 (en) * | 2008-03-04 | 2009-09-07 | Delaval Holding Ab | Brush for cattle, device comprising such a brush, and method for brushing cattle. |
IT202100033167A1 (en) | 2021-12-31 | 2023-07-01 | Nuova F Lli Dondi S R L | BRUSH FOR CLEANING SURFACES |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3688335A (en) * | 1971-03-02 | 1972-09-05 | Gaylord J Clark | Brush structure |
DE8028996U1 (en) * | 1980-10-31 | 1981-02-26 | Vorwerk & Co Interholding Gmbh, 5600 Wuppertal | ROLLER BRUSH FOR ELECTRIC CARPET BRUSHES |
DE3342833A1 (en) * | 1983-11-26 | 1985-06-05 | Eugen Gutmann GmbH & Co KG, 7250 Leonberg | Elongate cylindrical brush body made of plastic |
US5465451A (en) * | 1989-12-26 | 1995-11-14 | The Scott Fetzer Company | Brushroll |
-
2002
- 2002-12-13 IT IT000784A patent/ITBO20020784A1/en unknown
-
2003
- 2003-11-17 AT AT03026175T patent/ATE423488T1/en active
- 2003-11-17 EP EP03026175A patent/EP1428456B1/en not_active Expired - Lifetime
- 2003-11-17 DE DE60326308T patent/DE60326308D1/en not_active Expired - Lifetime
- 2003-11-17 ES ES03026175T patent/ES2323682T3/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE423488T1 (en) | 2009-03-15 |
DE60326308D1 (en) | 2009-04-09 |
ES2323682T3 (en) | 2009-07-23 |
ITBO20020784A1 (en) | 2004-06-14 |
EP1428456A1 (en) | 2004-06-16 |
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