EP0789521A1 - Waschbürste für autowaschanlagen - Google Patents
Waschbürste für autowaschanlagenInfo
- Publication number
- EP0789521A1 EP0789521A1 EP95936578A EP95936578A EP0789521A1 EP 0789521 A1 EP0789521 A1 EP 0789521A1 EP 95936578 A EP95936578 A EP 95936578A EP 95936578 A EP95936578 A EP 95936578A EP 0789521 A1 EP0789521 A1 EP 0789521A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning elements
- washing brush
- brush according
- shaft
- cleaning
- 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.)
- Granted
Links
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
Definitions
- the invention relates to a washing brush for car washes with a rotatable shaft on which plate-shaped cleaning elements made of a flexible material are held next to one another and at a distance from one another perpendicularly to the axis of rotation of the shaft and non-rotatably connected to it.
- Such a washing brush is known for example from G 93 09 920 Ul.
- the cleaning elements are circular in cross-section, and it has been found that cleaning elements of this type have a tendency to permanently fold over at the edge when the washing brush approaches a surface to be cleaned. As a result, uncleaned strips can remain between adjacent cleaning elements that have turned over in opposite directions.
- Such braking is usually used in washing systems to regulate the immersion depth of the washing brush, that is to say the distance between the washing brush of the surface to be cleaned. This is only possible to a very limited extent in the known washing brushes of this configuration.
- the object of the invention is to design a generic washing brush in such a way that the disadvantages mentioned are avoided.
- such a polygonal cross-section means that the disc-shaped cleaning elements do not permanently flip to one side when they lie against a surface to be cleaned, but that the polygonal cross-section results in a constantly new arrangement of the disc-shaped Cleaning elements on the surface to be cleaned.
- the cleaning element lies against the surface in different directions, so that the distribution direction is evenly distributed. This leads to a complete cleaning of the painted area, uncleaned strips cannot remain.
- the braking effect on such washing brushes is greater than when round disk-shaped cleaning elements are used. This makes it possible to regulate the distance between the washing brush using conventional means.
- the axis of rotation will penetrate the cleaning elements in the area center of gravity, but in a preferred embodiment it is also provided that the axis of rotation deliberately passes through the cleaning elements outside the area center of gravity.
- cleaning elements of the same geometry but of different sizes can be arranged on a shaft; it is also possible to arrange cleaning elements of different geometry on a shaft.
- the cleaning elements can have a wide variety of shapes, for example the shape of equilateral triangles, isosceles triangles, preferably with an aspect ratio between 1 and 3, or rectangles with an aspect ratio between 1 and 10.
- edge regions of the cleaning elements are divided by incisions into strips ending at the edge of the cleaning elements.
- the cleaning effect is increased by this stripe division. additionally increased.
- the incisions can run parallel to one another in groups. In particular, it can be provided that the incisions run parallel to lines of symmetry of the polygonal cross section. If the polygonal cross sections have several lines of symmetry, then several groups of differently oriented cuts result.
- the width-thickness ratio of the strips is between 2 and 20.
- the cleaning elements have a push-through opening with a polygonal cross-section for the shaft and that the shaft with a corresponding polygonal cross-section establishes a non-rotatable and positive connection with the cleaning element.
- disk-shaped spacers are mounted on the shaft between adjacent cleaning elements, these preferably have smaller dimensions than the cleaning elements.
- the cleaning elements can consist of a porous, water-permeable material, for example a foam or in particular a non-woven fabric.
- FIG. 1 shows a perspective view of a first preferred exemplary embodiment of a washing brush with rectangular cleaning elements which are rotated relative to one another;
- FIG. 2 a side view of a rectangular cleaning element with strips formed by incisions
- FIG. 3 a cleaning element in the form of an isosceles triangle
- FIG. 4 a cleaning element in the form of an equilateral triangle with strips formed by incisions and
- FIG. 5 a plan view of a plurality of cleaning elements on a washing brush, offset angularly relative to one another.
- FIG. 1 a square shaft 1 of a shortened washing brush 2 is shown, as can be used in conventional car washes, in particular for cleaning the roof.
- a number of flat cleaning elements 3 are arranged side by side, each of which has the shape of a rectangular plate.
- Each cleaning element 3 has a passage opening 4 through which the shaft 1 passes perpendicularly.
- Both the shaft 1 and the passage openings 4 are formed with complementary polygonal cross sections, so that a rotationally fixed connection between the shaft 1 and the cleaning elements 3 is obtained by positive locking.
- the rectangular cleaning elements 3 consist, for example, of a layer of a nonwoven fabric or of a flexible, porous foam.
- adjacent cleaning elements 3 are rotated relative to one another by 90 °, so that the elongated rectangles each protrude radially at different angular positions.
- Spacers 5 are arranged between the individual cleaning elements 3, the outer dimensions of which are considerably smaller than the outer dimensions of the cleaning elements 3.
- the cleaning elements 3 assume the position shown in FIG. 1, in which they extend exactly in a plane perpendicular to the turning axis defined by the shaft 1, only when the shaft 1 is rotated, since the cleaning elements 3 consist of a flexible and partially limp material. When rotating, however, the cleaning elements 3 stretch under the action of the centrifugal force and thereby lay with their narrow edges on surfaces to be cleaned. The installation takes place initially in the corner area of the cleaning elements 3 and also only in the cleaning elements which protrude beyond the adjacent cleaning elements in a certain angular range. As a result, the surface to be cleaned is always hit by different edges, so that the cleaning elements 3 can turn differently on one or the other side during further rotation and ensure that no uncleaned areas remain. In addition, the impact of the edges on the surface to be cleaned results in a striking agitation, which improves the cleaning effect compared to the permanent installation of circular cleaning elements.
- a further improvement of this cleaning effect can be achieved if part of the surface of the cleaning element 3 is separated by incisions 6 in strips 7 which extend to the edge of the cleaning element.
- These incisions 6 are preferably directed parallel to one another and continue to run parallel to the axes of symmetry of the polygonal cross section of the cleaning element.
- the incisions run parallel to the long edge of the rectangle only on one side of the rectangle and produce a family of parallel strips 7 there.
- the passage opening 4 is located in the area not divided by incisions 6 and outside the center of gravity.
- a plurality of groups of strips 7 can be produced, the incisions 6 each running in parallel in the groups, but in different groups with different directions according to the symmetry properties of the respective cleaning element 3.
- the cleaning element 3 has the cross section of an equilateral triangle, this results in three groups of strips rotated by 120 ° relative to each other.
- FIG. 3 there is a cleaning element 3 in the form of an isosceles triangle shown, in this case no strips 7 are formed.
- a cleaning element 3 in the form of an isosceles triangle shown, in this case no strips 7 are formed.
- FIG. 5 it can be seen how cleaning elements with the cross section of an equilateral triangle are held on shaft 1 offset by 180 ° relative to one another, so that the washing brush is given the cross-sectional shape of a six-pointed star.
Landscapes
- Brushes (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19944439586 DE4439586A1 (de) | 1994-11-05 | 1994-11-05 | Waschbürste für Autowaschanlagen |
DE4439586 | 1994-11-05 | ||
PCT/EP1995/004279 WO1996013998A1 (de) | 1994-11-05 | 1995-11-01 | Waschbürste für autowaschanlagen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0789521A1 true EP0789521A1 (de) | 1997-08-20 |
EP0789521B1 EP0789521B1 (de) | 1999-09-01 |
Family
ID=6532590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95936578A Expired - Lifetime EP0789521B1 (de) | 1994-11-05 | 1995-11-01 | Waschbürste für autowaschanlagen |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0789521B1 (de) |
JP (1) | JPH09511718A (de) |
DE (2) | DE4439586A1 (de) |
ES (1) | ES2137543T3 (de) |
WO (1) | WO1996013998A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2958461B1 (de) | 2013-09-05 | 2016-08-17 | Favagrossa Edoardo S.r.l. | Rotationsbürste für kraftfahrzeugwaschanlagen |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19718589C2 (de) * | 1997-05-02 | 1999-11-04 | Wesumat Gmbh | Arbeitswalze, insbesondere Waschwalze für Fahrzeugwaschanlagen |
DE29707909U1 (de) * | 1997-05-02 | 1998-09-03 | Wesumat Fahrzeugwaschanlagen GmbH, 86156 Augsburg | Arbeitswalze, insbesondere Waschwalze für Fahrzeugwaschanlagen |
DE19830514C1 (de) * | 1998-07-08 | 2000-01-20 | Wesumat Gmbh | Arbeitswalze, insbesondere für Fahrzeugwaschanlagen |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2233476C3 (de) * | 1972-07-07 | 1976-01-08 | Lothar 8720 Schweinfurt Oehring | Vorrichtung zum Waschen von relativ dazu bewegten Kraftfahrzeugen |
IT8521027V0 (it) * | 1985-03-07 | 1985-03-07 | Favagrossa Edoardo & Figlio | Spazzola per rulli di lavaggio, particolarmente studiata per impianti automatici di lavaggio. |
US4756044A (en) * | 1987-01-27 | 1988-07-12 | Clark Gaylord J | Tire brush |
DE9309920U1 (de) * | 1993-07-03 | 1993-09-23 | Freudenberg Haushaltsprodukte Augsburg KG, 86161 Augsburg | Vorrichtung zum waschen von fahrzeugen |
-
1994
- 1994-11-05 DE DE19944439586 patent/DE4439586A1/de not_active Withdrawn
-
1995
- 1995-11-01 EP EP95936578A patent/EP0789521B1/de not_active Expired - Lifetime
- 1995-11-01 DE DE59506740T patent/DE59506740D1/de not_active Expired - Fee Related
- 1995-11-01 WO PCT/EP1995/004279 patent/WO1996013998A1/de active IP Right Grant
- 1995-11-01 JP JP8515033A patent/JPH09511718A/ja active Pending
- 1995-11-01 ES ES95936578T patent/ES2137543T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9613998A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2958461B1 (de) | 2013-09-05 | 2016-08-17 | Favagrossa Edoardo S.r.l. | Rotationsbürste für kraftfahrzeugwaschanlagen |
Also Published As
Publication number | Publication date |
---|---|
JPH09511718A (ja) | 1997-11-25 |
DE4439586A1 (de) | 1996-05-09 |
DE59506740D1 (de) | 1999-10-07 |
EP0789521B1 (de) | 1999-09-01 |
WO1996013998A1 (de) | 1996-05-17 |
ES2137543T3 (es) | 1999-12-16 |
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