EP4043661B1 - Shading device with drainage channel - Google Patents

Shading device with drainage channel Download PDF

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Publication number
EP4043661B1
EP4043661B1 EP22155888.5A EP22155888A EP4043661B1 EP 4043661 B1 EP4043661 B1 EP 4043661B1 EP 22155888 A EP22155888 A EP 22155888A EP 4043661 B1 EP4043661 B1 EP 4043661B1
Authority
EP
European Patent Office
Prior art keywords
cover
drainage channel
shading device
cloth
sliding
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.)
Active
Application number
EP22155888.5A
Other languages
German (de)
French (fr)
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EP4043661A1 (en
Inventor
Remo Haueter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stobag AG
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Stobag AG
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Publication date
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Publication of EP4043661A1 publication Critical patent/EP4043661A1/en
Application granted granted Critical
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0666—Accessories
    • E04F10/0677—Accessories acting as centre bearing
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0685—Covers or housings for the rolled-up blind
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0692—Front bars
    • E04F10/0696—Front bars with means to attach an auxiliary screen

Definitions

  • the invention relates to a shading device according to the preamble of claim 1.
  • a shading device of the type mentioned can be, for example, an awning, in particular an articulated arm awning or a so-called vertical awning, or a conservatory shading.
  • an awning is assumed as an example, but the invention is not limited thereto.
  • a fabric in an awning, can be adjusted between a stretched position, in which it shades a desired area, and a retracted position, wound up on a fabric shaft.
  • the roller tube runs essentially horizontally and can be attached to a substructure, for example a building wall or a stand structure, via holders on a supporting structure, for example in the form of brackets or a connecting profile or guide rails.
  • the roller tube of the awning is accommodated in a box-like housing, but there are also awning designs in which the roller tube is exposed.
  • an awning is shown in which a shell-shaped cover is arranged below the fabric shaft, which surrounds the fabric shaft and the fabric wound thereon. The purpose of the cover is to protect the roller tube and the rolled-up fabric from unwanted external influences.
  • the cover is arranged essentially concentrically to the roller tube and has a concave shape in the direction of the roller tube. If the cloth is wound up on the cloth shaft in a wet state, for example after it has rained, the water contained in the cloth drips onto the section of the cover arranged under the cloth shaft and collects in it.
  • the awning In order to be able to drain water that is in the housing, the awning must be in accordance with the EP 0 792 978 A1 provided that in a lower area of the cover and in particular in the area of the lower apex of the cover, a channel-shaped drainage channel is arranged, which extends in the longitudinal direction of the roller tube.
  • Water that is in the rolled-up fabric runs on the inside of the cover to its lower area and enters the channel-shaped drainage channel, in which the water is drained in the longitudinal direction of the awning and thus in the longitudinal direction of the fabric shaft, i.e. parallel to it and is discharged at a suitable position.
  • the water drips also not down out of the awning, but it is diverted and disposed of in the desired way.
  • the object of the invention is to provide a shading device of the type mentioned, in which a sliding coating can be attached in a simplified manner to the side of the cover facing the roller tube.
  • this object is achieved by a shading device having the features of claim 1 . It is provided that on the side of the cover facing the roller tube, a sliding coating is arranged at least in sections, which ends in the drainage channel or completely lines it. According to the invention, the basic idea is to use the drainage channel for precise positioning and attachment of the sliding coating to use. This facilitates the assembly of the sliding lining.
  • the sliding coating is formed by an inherently stable, prefabricated sliding shell, in particular made of plastic, which is attached to the shell-shaped cover.
  • “Inherently stable” is intended to mean that the sliding shell retains its basic shape and structure when supported at certain points under its own weight and does not collapse, as would be the case with a foil or fabric that is slack under pressure.
  • the sliding shell is designed as an injection molded part or as an extruded profile bar.
  • the sliding coating is formed by an inherently stable, prefabricated sliding shell, this can preferably be placed on the cover and fastened to it in an exchangeable manner.
  • the sliding shell can be attached to the cover by latching and/or clamping and/or screwing and/or gluing.
  • a latching element or an undercut can be formed on or in the drainage channel.
  • the sliding coating is formed by a layer of material or a film applied to the shell-shaped cover.
  • the applied layer of material can be, for example, a sprayed or painted layer of paint or lacquer.
  • a prefabricated film can be provided on the cover hang up and attach to this and in particular to glue.
  • the material of the sliding lining or the sliding shell has a lower coefficient of friction than the material of the cover.
  • the sliding coating or the sliding shell is preferably made of a plastic which, in combination with the material of the cloth, has good sliding properties and low friction.
  • a corresponding plastic should be able to be injected or preferably extruded in order to be able to form the sliding shell as an extruded strand.
  • Additives can be mixed into the plastic to reduce static on the cloth when it is being wound or unwound.
  • An awning usually has a projection rod which is connected to the edge of the cloth facing away from the cloth shaft.
  • the sliding coating or the sliding shell is only arranged on a section of the cover facing the dropout bar. A section of the cover facing away from the dropout bar is then free of sliding lining.
  • the drainage channel is an integral part of the cover.
  • the cover is preferably made of plastic or metal, with the drainage channel being integrated into the cross-sectional shape of the cover and thus being a monolithic part of the cover.
  • the drainage channel can be open on the side facing the roller tube, i.e. it can be designed as a so-called gravity channel. This ensures that unwanted foreign bodies, such as leaves that got into the awning together with the fabric, cannot clog the drainage channel because the water can flow around the foreign bodies.
  • the drainage channel can be formed by bending the cover.
  • the cover with an integrated drainage channel is preferably designed as an extruded profile.
  • the cover and the drainage channel are produced as separate components.
  • the drainage channel can then be attached to the cover, for example welded, glued or latched, or arranged at a distance from the cover below it.
  • the drainage channel is preferably arranged on the underside of the cover facing away from the roller tube, it being possible for the drainage channel to be arranged either in direct contact with the cover or as an integrated part of it or at a distance from the cover.
  • the water emerging from the rolled-up cloth then flows on the inside of the cover to its lower area, it being possible for at least one through-opening to be formed in the cover above the drainage channel which the water flows from above into the drainage canal.
  • the passage opening can be formed by a bore, but it is preferably provided that the passage opening is a slot running in the longitudinal direction of the drainage channel.
  • slots can be provided, which are arranged at a distance one behind the other in the longitudinal direction of the roller tube or the drainage channel.
  • a relatively long slot which can preferably extend over at least 60% of the axial length of the cover, in particular over at least 80% of the axial length of the cover and possibly also over the entire axial length of the cover.
  • the cover consists of a single, one-piece component.
  • the cover can be composed of at least two shell parts that engage with each other. Each shell part extends in the longitudinal direction of the cover, so that the cross section of the cover is formed by the shell parts.
  • the shell parts can be locked together or welded or glued together.
  • the shell parts are preferably each formed as a partial shell and can be arranged such that their area of engagement, ie the region of mutual engagement, is located at the lower vertex of the cross-section of the cover formed by the shell parts.
  • the drainage channel is then preferably formed in the engagement area of the shell parts.
  • the sliding coating can be arranged on both shell parts or only on one of the shell parts.
  • the roller tube and the cover can be housed in a box-like housing which is attached to a support structure.
  • the support structure can be a building wall or a support frame.
  • the cover is preferably arranged in the housing and mounted on the housing.
  • the drainage channel can extend over only a portion of the axial length and preferably over the entire axial length of the cover. In particular, it is provided that the drainage channel extends over at least 80% of the axial length of the cover.
  • At least one of the axial ends of the drainage channel is arranged in an axial end area of the housing.
  • the water flowing in the drainage channel can be discharged from the drainage channel.
  • a diversion device is arranged on at least one of the axial ends of the drainage channel.
  • the drainage device can be a continuing drainage channel in the form of a channel or a hose.
  • the drainage channel can have any desired cross-section; it is preferably provided that the drainage channel has a V-shaped or a rectangular or a trapezoidal cross-section. It should Drainage channel have at least a cross-sectional area of 20mm 2 and in particular at least 40mm 2 .
  • the shape and size of the cross-section of the drainage channel depend on the size of the cloth wound up and thus on the maximum amount of water to be drained off.
  • the drainage channel preferably consists of a single channel extending in the longitudinal direction of the roller tube.
  • two channels arranged next to one another can also be provided, which are preferably connected to one another via a passage at points spaced apart in the longitudinal direction of the drainage channel, in order to enable equalization of the liquid level.
  • FIG. 1 shows a schematic representation of a cross section through a shading device 10 according to the invention in the form of an awning.
  • the shading device 10 has a box-like housing 13, which is perpendicular to the plane of 1 extends.
  • a roller tube 12 that extends in the longitudinal direction of the housing 13 and rotates around a perpendicular to the plane of the drawing in 1 running axis of rotation D is rotatable.
  • a cloth 11 is wound onto the cloth shaft 12 and is in engagement at its front end with a drop-out rod 14 which can be extended, ie moved away from the housing 13 or drawn towards the housing 13, as indicated by the double file A.
  • the shading device 10 can be attached by means of the housing 13 to a support device 15, not shown in detail, which can be, for example, a building wall.
  • a shell-shaped cover 16 is arranged, which runs at a distance below the roller tube 12 and is also perpendicular to the plane of the drawing 1 extends.
  • the cover 16 is designed as a half-shell which is arranged essentially concentrically to the axis of rotation D and surrounds the roller tube 12 on its underside at a distance.
  • the cloth roll that is thus located on the cloth shaft 12 is so thick that it rests against the inner wall of the cover 16 and is supported by it.
  • the drainage channel 19 is formed by molding the cover 16 and is thus an integral, monolithic part of the cover 16.
  • the drainage channel 19 is arranged on the underside of the cover 16 facing away from the roller tube 12 and is open in the direction of the cover 16, so that water from above, ie can flow into the drainage channel 19 from the side of the cover 16 facing the roller tube 12 .
  • the water can flow along the inner wall of the cover 16 facing the cloth shaft 12 and enter the drainage channel 19 designed as an open channel.
  • the water flows in the longitudinal direction, i.e. parallel to the axis of rotation D of the roller tube 12, preferably to an axial end area of the drainage channel 19 and/or the roller tube 12 and/or the housing 13, where it can be drained off by means of a drainage device 23, which can only be drawn through is indicated by an arrow, are discharged from the shading device 10.
  • the sliding coating 24 is formed by a prefabricated, inherently stable sliding shell 24a, which is attached to the shell-shaped cover 16 and locked with it. At its lower end facing the drainage channel 19, the sliding coating 24 engages in the drainage channel 19, but without lining it completely, and engages behind a projection 17a formed on the cover 16. At its opposite end, facing away from the drainage channel 19, the sliding coating 24 encompasses an upper projection 17b of the cover 16, so that the sliding coating 24 is held on the cover 16 in a form-fitting manner.
  • a downwardly extendable valance (not shown) is arranged in the projection bar 14 and is mounted on a valance shaft 25 can be wound up and unwound from this.
  • a valance cover 26 is arranged below the valance corrugation 25 and has a valance drainage channel 27 in its lower apex region. The construction of the valance cover 26 and the valance drainage channel 27 can correspond to the construction of the cover 16 or the drainage channel 19 .
  • the sliding coating 24 is not applied over the entire surface of the cover 16, but only in accordance with figure 1 right portion 16a of the cover 16, which faces the dropout bar 14.
  • One of the dropout rod 14 facing away, according to 1 left section 16b of the cover 16 is free of sliding linings.
  • the design according to 2 differs from the design according to 1 characterized in that now also in the section 16b of the cover 16, which faces away from the extension bar 14, a sliding coating 24 of the structure mentioned is arranged.
  • the sliding linings 24 grab with their lower, ends facing the drainage channel 19 each into the drainage channel 19, but without lining it completely.
  • the drainage channel 19 has a rectangular cross section which is open towards the top in the direction of the roller tube 12 .
  • the cover 16 and the drainage channel 19 are designed as a one-piece, monolithic component.
  • 4 shows an alternative embodiment, according to which the cover 16 and the drainage channel 19 are designed as separate components and then joined together.
  • the drainage channel 19 can be welded or latched or glued to the cover 16 .
  • figure 5 12 shows a further alternative, in which the cross-section of the cover 16 is composed of two shell parts 18a and 18b which are connected or engaged with one another in a connection area 20.
  • FIG. The connection area 20 is arranged at or in the lower apex of the cover 16 and in the connection area 20 the drainage channel 19 is formed by a downwardly protruding bead of at least one of the shell parts 18a.
  • the drainage channel 19 has a V-shaped cross-section and one shell part 18b carries the sliding coating 24 of the structure mentioned on its side facing the roller tube 12 .
  • the cross section of the drainage channel 19 is increased, but it still has a substantially rectangular cross-section and is connected via an upper passage opening 21 to the inside of the cover 16 facing the roller tube 12 .
  • the design of the drainage channel 19 according to 7 differs in that the drainage channel 19 now has a trapezoidal cross-section, with the larger trapezoidal side being arranged on the lower side of the cross-section facing away from the roller tube 12 .
  • the drainage channel 19 consists of two spaced apart channels 19a which run parallel to one another and in the longitudinal direction of the roller tube 12.
  • the two channels 19a can be connected to one another via openings in one or more areas spaced apart from one another in the longitudinal direction of the roller tube 12 .
  • the design according to 9 differs from the design according to 8 in that a support area 28 is arranged between the two grooves 19a, which can come into contact with the outer surface of the cloth 11 wound up on the cloth shaft 12 and supports it accordingly.

Description

Die Erfindung betrifft eine Beschattungsvorrichtung gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a shading device according to the preamble of claim 1.

Bei einer Beschattungsvorrichtung der genannten Art kann es sich beispielsweise um eine Markise, insbesondere eine Gelenkarm-Markise oder eine sogenannte Vertikal-Markise, oder um eine Wintergarten-Beschattung handeln. Im Folgenden wird beispielhaft von einer Markise ausgegangen, jedoch ist die Erfindung darauf nicht beschränkt.A shading device of the type mentioned can be, for example, an awning, in particular an articulated arm awning or a so-called vertical awning, or a conservatory shading. In the following, an awning is assumed as an example, but the invention is not limited thereto.

Bei einer Markise kann ein Tuch zwischen einer aufgespannten Position, in der es einen gewünschten Bereich abschattet, und einer eingezogenen, auf einer Tuchwelle aufgewickelten Position verstellt werden. Die Tuchwelle verläuft im Wesentlichen horizontal und kann über Halter an einer Tragkonstruktion beispielsweise in Form von Bügeln oder eines Anschlussprofils oder Führungsschienen an einer Unterkonstruktion, beispielsweise einer Gebäudewand oder einer Ständerkonstruktion angebracht sein.In an awning, a fabric can be adjusted between a stretched position, in which it shades a desired area, and a retracted position, wound up on a fabric shaft. The roller tube runs essentially horizontally and can be attached to a substructure, for example a building wall or a stand structure, via holders on a supporting structure, for example in the form of brackets or a connecting profile or guide rails.

In vielen Fällen ist die Tuchwelle der Markise in einem kastenartigen Gehäuse aufgenommen, jedoch gibt es auch Markisenkonstruktionen, bei denen die Tuchwelle frei liegt. In der EP 0 792 978 A1 ist eine Markise gezeigt, bei der unterhalb der Tuchwelle eine schalenförmige Abdeckung angeordnet ist, die die Tuchwelle und das darauf aufgewickelte Tuch umgibt. Die Abdeckung dient dem Zweck, die Tuchwelle und das aufgewickelte Tuch vor ungewollten äußeren Einflüssen zu schützen.In many cases, the roller tube of the awning is accommodated in a box-like housing, but there are also awning designs in which the roller tube is exposed. In the EP 0 792 978 A1 an awning is shown in which a shell-shaped cover is arranged below the fabric shaft, which surrounds the fabric shaft and the fabric wound thereon. The purpose of the cover is to protect the roller tube and the rolled-up fabric from unwanted external influences.

Die Abdeckung ist im Wesentlichen konzentrisch zur Tuchwelle angeordnet und in Richtung der Tuchwelle konkav geformt. Wenn das Tuch beispielsweise nach einem Regen in nassem Zustand auf der Tuchwelle aufgewickelt wird, tropft das im Tuch enthaltene Wasser auf den unter der Tuchwelle angeordneten Abschnitt der Abdeckung und sammelt sich in dieser. Um Wasser, das sich im Gehäuse befindet, ableiten zu können, ist bei der Markise gemäß der EP 0 792 978 A1 vorgesehen, dass in einem unteren Bereich der Abdeckung und insbesondere im Bereich des unteren Scheitelpunktes der Abdeckung ein rinnenförmiger Entwässerungskanal angeordnet ist, der sich in Längsrichtung der Tuchwelle erstreckt.The cover is arranged essentially concentrically to the roller tube and has a concave shape in the direction of the roller tube. If the cloth is wound up on the cloth shaft in a wet state, for example after it has rained, the water contained in the cloth drips onto the section of the cover arranged under the cloth shaft and collects in it. In order to be able to drain water that is in the housing, the awning must be in accordance with the EP 0 792 978 A1 provided that in a lower area of the cover and in particular in the area of the lower apex of the cover, a channel-shaped drainage channel is arranged, which extends in the longitudinal direction of the roller tube.

Wasser, das sich in dem aufgewickelten Tuch befindet, läuft auf der Innenseite der Abdeckung zu deren unteren Bereich und tritt dort in den rinnenförmigen Entwässerungskanal ein, in dem das Wasser in Längsrichtung der Markise und somit in Längsrichtung der Tuchwelle, d.h. parallel dazu abgeleitet wird und an geeigneter Position abgeführt wird. Auf diese Weise ist es einerseits vermieden, dass sich das Wasser in dem Tuch staut und zu einer Verunreinigung oder Beschädigung des Tuches führt, andererseits tropft das Wasser auch nicht nach unten aus der Markise heraus, sondern es wird in gewünschter Weise abgeleitet und entsorgt.Water that is in the rolled-up fabric runs on the inside of the cover to its lower area and enters the channel-shaped drainage channel, in which the water is drained in the longitudinal direction of the awning and thus in the longitudinal direction of the fabric shaft, i.e. parallel to it and is discharged at a suitable position. In this way, on the one hand, it is avoided that the water accumulates in the cloth and leads to contamination or damage to the cloth, and on the other hand, the water drips also not down out of the awning, but it is diverted and disposed of in the desired way.

Auch aus der EP 3 392 425 B1 ist es bekannt, die Abdeckung so auszubilden, dass die Tuchwelle zumindest mit dem vollständig aufgewickelten Tuch auf der der Tuchwelle zugewandten Seite der Abdeckung anliegt und durch die Abdeckung abgestützt wird. Auf diese Weise soll eine übermäßige Durchbiegung der Tuchwelle in Folge der Last des aufgewickelten Tuches vermieden werden. Zumindest in der letzten Phase der Einzugsbewegung des Tuches gleitet das Tuch über die Oberfläche der schalenförmigen Abdeckung. Um die Reibung zwischen dem Tuch und der Oberfläche der schalenförmigen Abdeckung zu minimieren, können gemäß der EP 3 392 425 B1 reibungsmindernde Einlagen oder Auflagen an der Abstützung vorgesehen sein. Die Anbringung von reibungsmindernden Einlagen oder Auflagen ist hinsichtlich der Montage ungünstig und zeitaufwändig und somit teuer.Also from the EP 3 392 425 B1 it is known to design the cover in such a way that the fabric shaft rests, at least with the completely wound up fabric, on the side of the cover facing the fabric shaft and is supported by the cover. In this way, excessive deflection of the roller tube as a result of the load of the rolled-up cloth is to be avoided. At least in the last phase of the drawing-in movement of the cloth, the cloth slides over the surface of the dish-shaped cover. In order to minimize the friction between the cloth and the surface of the cup-shaped cover, according to the EP 3 392 425 B1 friction-reducing deposits or conditions may be provided on the support. The attachment of friction-reducing inserts or pads is unfavorable and time-consuming in terms of assembly and therefore expensive.

Der Erfindung liegt die Aufgabe zugrunde, eine Beschattungsvorrichtung der genannten Art zu schaffen, bei der ein Gleitbelag auf der der Tuchwelle zugewandten Seite der Abdeckung in vereinfachter Weise angebracht werden kann.The object of the invention is to provide a shading device of the type mentioned, in which a sliding coating can be attached in a simplified manner to the side of the cover facing the roller tube.

Diese Aufgabe wird erfindungsgemäß durch eine Beschattungsvorrichtung mit den Merkmalen des Anspruchs 1 gelöst. Dabei ist vorgesehen, dass auf der der Tuchwelle zugewandten Seite der Abdeckung zumindest abschnittsweise ein Gleitbelag angeordnet ist, der in dem Entwässerungskanal endet oder diesen vollständig auskleidet. Erfindungsgemäß wird von der Grundüberlegung ausgegangen, den Entwässerungskanal zur genauen Positionierung und Anbringung des Gleitbelages mit heranzuziehen. Dies erleichtert die Montage des Gleitbelags.According to the invention, this object is achieved by a shading device having the features of claim 1 . It is provided that on the side of the cover facing the roller tube, a sliding coating is arranged at least in sections, which ends in the drainage channel or completely lines it. According to the invention, the basic idea is to use the drainage channel for precise positioning and attachment of the sliding coating to use. This facilitates the assembly of the sliding lining.

In bevorzugter Ausgestaltung der Erfindung ist vorgesehen, dass der Gleitbelag von einer eigenstabilen, vorgefertigten Gleitschale insbesondere aus Kunststoff gebildet ist, die an der schalenförmigen Abdeckung angebracht ist. "Eigenstabil" soll bedeuten, dass die Gleitschale bei punktueller Abstützung unter Eigengewicht ihre grundsätzliche Form und Struktur beibehält und nicht in sich zusammenfällt, wie es bei einer druckschlaffen Folie oder einem Gewebe der Fall wäre. In einer möglichen Ausgestaltung der Erfindung kann vorgesehen sein, dass die Gleitschale als Spritzgussteil oder als extrudierter Profilstab ausgestaltet ist.In a preferred embodiment of the invention, it is provided that the sliding coating is formed by an inherently stable, prefabricated sliding shell, in particular made of plastic, which is attached to the shell-shaped cover. "Inherently stable" is intended to mean that the sliding shell retains its basic shape and structure when supported at certain points under its own weight and does not collapse, as would be the case with a foil or fabric that is slack under pressure. In a possible embodiment of the invention it can be provided that the sliding shell is designed as an injection molded part or as an extruded profile bar.

Wenn der Gleitbelag von einer eigenstabilen, vorgefertigten Gleitschale gebildet ist, kann diese vorzugsweise in auswechselbarer Weise auf die Abdeckung aufgesetzt und an dieser befestigt werden. Die Befestigung der Gleitschale an der Abdeckung kann durch eine Verrastung und/oder eine Klemmung und/oder eine Verschraubung und/oder eine Verklebung erfolgen. Um die Gleitschale zu verrasten, kann an oder in dem Entwässerungskanal ein Rastelement oder eine Hinterschneidung ausgebildet sein.If the sliding coating is formed by an inherently stable, prefabricated sliding shell, this can preferably be placed on the cover and fastened to it in an exchangeable manner. The sliding shell can be attached to the cover by latching and/or clamping and/or screwing and/or gluing. In order to latch the sliding shell, a latching element or an undercut can be formed on or in the drainage channel.

In alternativer Ausgestaltung der Erfindung kann vorgesehen sein, dass der Gleitbelag von einer auf die schalenförmige Abdeckung aufgebrachten Materialschicht oder einer Folie gebildet ist. Bei der aufgebrachten Materialschicht kann es sich beispielsweise um eine aufgespritzte oder aufgestrichene Farb- oder Lackschicht handeln. Alternativ kann vorgesehen sein, eine vorgefertigte Folie auf die Abdeckung aufzulegen und an dieser zu befestigen und insbesondere zu verkleben.In an alternative embodiment of the invention, it can be provided that the sliding coating is formed by a layer of material or a film applied to the shell-shaped cover. The applied layer of material can be, for example, a sprayed or painted layer of paint or lacquer. Alternatively, a prefabricated film can be provided on the cover hang up and attach to this and in particular to glue.

Das Material des Gleitbelags oder der Gleitschale weist einen geringeren Reibungskoeffizienten als das Material der Abdeckung auf.The material of the sliding lining or the sliding shell has a lower coefficient of friction than the material of the cover.

Der Gleitbelag oder die Gleitschale besteht vorzugsweise aus einem Kunststoff, der in Kombination mit dem Material des Tuches gute Gleiteigenschaften und nur geringe Reibung aufweist. Ein entsprechender Kunststoff sollte spritzbar oder vorzugsweise extrudierbar sein, um die Gleitschale als extrudierten Strang ausbilden zu können. In den Kunststoff können Zusatzstoffe eingemischt werden, um die statische Aufladung des Tuches beim Aufwickeln oder Abwickeln zu verringern.The sliding coating or the sliding shell is preferably made of a plastic which, in combination with the material of the cloth, has good sliding properties and low friction. A corresponding plastic should be able to be injected or preferably extruded in order to be able to form the sliding shell as an extruded strand. Additives can be mixed into the plastic to reduce static on the cloth when it is being wound or unwound.

Eine Markise weist üblicherweise eine Ausfallstange auf, die an der der Tuchwelle abgewandten Kante des Tuches mit diesem verbunden ist. In bevorzugter Ausgestaltung der Erfindung ist vorgesehen, dass der Gleitbelag oder die Gleitschale nur auf einem der Ausfallstange zugewandten Abschnitt der Abdeckung angeordnet ist. Ein der Ausfallstange abgewandter Abschnitt der Abdeckung ist dann gleitbelagfrei.An awning usually has a projection rod which is connected to the edge of the cloth facing away from the cloth shaft. In a preferred embodiment of the invention, it is provided that the sliding coating or the sliding shell is only arranged on a section of the cover facing the dropout bar. A section of the cover facing away from the dropout bar is then free of sliding lining.

In einer möglichen Ausgestaltung der Erfindung ist vorgesehen, dass der Entwässerungskanal einstückiger Bestandteil der Abdeckung ist. Die Abdeckung besteht vorzugsweise aus Kunststoff oder Metall, wobei der Entwässerungskanal in die Querschnittsform der Abdeckung integriert und somit monolithischer Bestandteil der Abdeckung sein kann.In a possible embodiment of the invention it is provided that the drainage channel is an integral part of the cover. The cover is preferably made of plastic or metal, with the drainage channel being integrated into the cross-sectional shape of the cover and thus being a monolithic part of the cover.

Der Entwässerungskanal kann auf seiner der Tuchwelle zugewandten Seite offen sein, d.h. als sogenanntes Freispiegelgerinne ausgebildet sein. Auf diese Weise ist sichergestellt, dass auch unerwünschte Fremdkörper beispielsweise Blätter, die zusammen mit dem Tuch in die Markise gelangt sind, den Entwässerungskanal nicht verstopfen können, da das Wasser die Fremdkörper umströmen kann.The drainage channel can be open on the side facing the roller tube, i.e. it can be designed as a so-called gravity channel. This ensures that unwanted foreign bodies, such as leaves that got into the awning together with the fabric, cannot clog the drainage channel because the water can flow around the foreign bodies.

Wenn die Abdeckung aus Metall besteht, kann der Entwässerungskanal durch einen Biegevorgang an der Abdeckung ausgebildet werden.When the cover is made of metal, the drainage channel can be formed by bending the cover.

Wenn die Abdeckung aus Kunststoff besteht, ist die Abdeckung mit integriertem Entwässerungskanal vorzugsweise als Stranggussprofil ausgebildet.If the cover is made of plastic, the cover with an integrated drainage channel is preferably designed as an extruded profile.

In einer alternativen Ausgestaltung der Erfindung kann vorgesehen sein, dass die Abdeckung und der Entwässerungskanal als separate Bauteile hergestellt werden. Der Entwässerungskanal kann dann an der Abdeckung angebracht, beispielsweise verschweißt, verklebt oder verrastet sein oder in Abstand zu der Abdeckung unterhalb von dieser angeordnet sein.In an alternative embodiment of the invention it can be provided that the cover and the drainage channel are produced as separate components. The drainage channel can then be attached to the cover, for example welded, glued or latched, or arranged at a distance from the cover below it.

Vorzugsweise ist der Entwässerungskanal auf der der Tuchwelle abgewandten Unterseite der Abdeckung angeordnet, wobei der Entwässerungskanal entweder in direkter Anlage mit der Abdeckung oder als integrierter Bestandteil von dieser oder mit Abstand zur Abdeckung angeordnet sein kann. Das aus dem aufgerollten Tuch austretende Wasser strömt dann auf der Innenseite der Abdeckung zu deren unterem Bereich, wobei in der Abdeckung oberhalb des Entwässerungskanals zumindest eine Durchlassöffnung ausgebildet sein kann, durch die das Wasser von oben in den Entwässerungskanal entströmt. Die Durchlassöffnung kann von einer Bohrung gebildet sein, vorzugsweise ist jedoch vorgesehen, dass die Durchlassöffnung einen in Längsrichtung des Entwässerungskanals verlaufender Schlitz ist.The drainage channel is preferably arranged on the underside of the cover facing away from the roller tube, it being possible for the drainage channel to be arranged either in direct contact with the cover or as an integrated part of it or at a distance from the cover. The water emerging from the rolled-up cloth then flows on the inside of the cover to its lower area, it being possible for at least one through-opening to be formed in the cover above the drainage channel which the water flows from above into the drainage canal. The passage opening can be formed by a bore, but it is preferably provided that the passage opening is a slot running in the longitudinal direction of the drainage channel.

Es können mehrere Schlitze vorgesehen sein, die in Längsrichtung der Tuchwelle bzw. des Entwässerungskanals auf Abstand hintereinander angeordnet sind. Alternativ ist es jedoch auch möglich, einen relativ langen Schlitz vorzusehen, der sich vorzugsweise über zumindest 60% der axialen Länge der Abdeckung, insbesondere über zumindest 80% der axialen Länge der Abdeckung und gegebenenfalls auch über die gesamte axiale Länge der Abdeckung erstrecken kann.Several slots can be provided, which are arranged at a distance one behind the other in the longitudinal direction of the roller tube or the drainage channel. Alternatively, however, it is also possible to provide a relatively long slot, which can preferably extend over at least 60% of the axial length of the cover, in particular over at least 80% of the axial length of the cover and possibly also over the entire axial length of the cover.

In einer möglichen Ausgestaltung der Erfindung kann vorgesehen sein, dass die Abdeckung aus einem einzigen, einstückigen Bauteil besteht. Alternativ kann die Abdeckung aus zumindest zwei Schalenteilen zusammengesetzt sein, die miteinander in Eingriff stehen. Jedes Schalenteil erstreckt sich in Längsrichtung der Abdeckung, so dass der Querschnitt der Abdeckung von den Schalenteilen gebildet ist. Die Schalenteile können miteinander verrastet oder auch miteinander verschweißt oder verklebt sein.In one possible embodiment of the invention, it can be provided that the cover consists of a single, one-piece component. Alternatively, the cover can be composed of at least two shell parts that engage with each other. Each shell part extends in the longitudinal direction of the cover, so that the cross section of the cover is formed by the shell parts. The shell parts can be locked together or welded or glued together.

Die Schalenteile sind vorzugsweise jeweils als Teil-Schale ausgebildet und können so angeordnet sein, dass ihr Eingriffsbereich, d.h. der Bereich des gegenseitigen Eingriffs, im unteren Scheitelpunkt des Querschnitts der durch die Schalenteile gebildeten Abdeckung angeordnet ist. Vorzugsweise ist dann der Entwässerungskanal im Eingriffsbereich der Schalenteile ausgebildet. Der Gleitbelag kann an beiden Schalenteilen oder auch nur an einem der Schalenteile angeordnet sein.The shell parts are preferably each formed as a partial shell and can be arranged such that their area of engagement, ie the region of mutual engagement, is located at the lower vertex of the cross-section of the cover formed by the shell parts. The drainage channel is then preferably formed in the engagement area of the shell parts. The sliding coating can be arranged on both shell parts or only on one of the shell parts.

Die Tuchwelle und die Abdeckung können in einem kastenartigen Gehäuse aufgenommen sein, das an einer Tragkonstruktion angebracht ist. Bei der Tragkonstruktion kann es sich um eine Gebäudewand oder auch um einen Tragrahmen handeln.The roller tube and the cover can be housed in a box-like housing which is attached to a support structure. The support structure can be a building wall or a support frame.

Vorzugsweise ist die Abdeckung in diesem Fall in dem Gehäuse angeordnet und an dem Gehäuse gelagert.In this case, the cover is preferably arranged in the housing and mounted on the housing.

Der Entwässerungskanal kann sich über nur einen Anteil der axialen Länge und vorzugsweise über die gesamte axiale Länge der Abdeckung erstrecken. Insbesondere ist vorgesehen, dass der Entwässerungskanal sich über zumindest 80% der axialen Länge der Abdeckung erstreckt.The drainage channel can extend over only a portion of the axial length and preferably over the entire axial length of the cover. In particular, it is provided that the drainage channel extends over at least 80% of the axial length of the cover.

In Weiterbildung der Erfindung kann vorgesehen sein, dass zumindest eines der axialen Enden des Entwässerungskanals in einem axialen Endbereich des Gehäuses angeordnet ist. In diesem axialen Endbereich des Gehäuses kann das in dem Entwässerungskanal strömende Wasser aus dem Entwässerungskanal abgeführt werden. Zu diesem Zweck kann vorgesehen sein, dass an zumindest einem der axialen Enden des Entwässerungskanals eine Ableitvorrichtung angeordnet ist. Bei der Ableitvorrichtung kann es sich um einen weiterführenden Ableitkanal in Form einer Rinne oder eines Schlauches handeln.In a development of the invention, it can be provided that at least one of the axial ends of the drainage channel is arranged in an axial end area of the housing. In this axial end area of the housing, the water flowing in the drainage channel can be discharged from the drainage channel. For this purpose it can be provided that a diversion device is arranged on at least one of the axial ends of the drainage channel. The drainage device can be a continuing drainage channel in the form of a channel or a hose.

Der Entwässerungskanal kann jeden beliebigen Querschnitt aufweisen, vorzugsweise ist vorgesehen, dass der Entwässerungskanal einen V-förmigen oder einen rechteckigen oder einen trapezförmigen Querschnitt aufweist. Dabei sollte der Entwässerungskanal mindestens eine Querschnittsfläche von 20mm2 und insbesondere von zumindest 40mm2 aufweisen.The drainage channel can have any desired cross-section; it is preferably provided that the drainage channel has a V-shaped or a rectangular or a trapezoidal cross-section. It should Drainage channel have at least a cross-sectional area of 20mm 2 and in particular at least 40mm 2 .

Die Form und die Größe des Querschnitts des Entwässerungskanals sind von der Größe des aufgewickelten Tuches und somit von der maximalen Menge des abzuleitenden Wassers abhängig.The shape and size of the cross-section of the drainage channel depend on the size of the cloth wound up and thus on the maximum amount of water to be drained off.

Vorzugsweise besteht der Entwässerungskanal aus einer einzigen sich in Längsrichtung der Tuchwelle erstreckenden Rinne. Alternativ können jedoch auch zwei nebeneinander angeordnete Rinnen vorgesehen sein, die vorzugsweise an in Längsrichtung des Entwässerungskanals beabstandeten Stellen jeweils über einen Durchlass miteinander verbunden sind, um einen Ausgleich des Flüssigkeitsspiegels zu ermöglichen.The drainage channel preferably consists of a single channel extending in the longitudinal direction of the roller tube. Alternatively, however, two channels arranged next to one another can also be provided, which are preferably connected to one another via a passage at points spaced apart in the longitudinal direction of the drainage channel, in order to enable equalization of the liquid level.

Weitere Einzelheiten und Merkmale der Erfindung sind aus der folgenden Beschreibung von Ausführungsbeispielen unter Bezugnahme auf die Zeichnungen ersichtlich. Es zeigen:

Fig. 1
einen Querschnitt durch eine erfindungsgemäße Beschattungsvorrichtung,
Fig. 2
eine erste alternative Ausgestaltung der Abdeckung,
Fig. 3
eine zweite alternative Ausgestaltung der Abdeckung,
Fig. 4
eine dritte alternative Ausgestaltung der Abdeckung,
Fig. 5
eine vierte alternative Ausgestaltung der Abdeckung,
Fig. 6
eine fünfte alternative Ausgestaltung der Abdeckung,
Fig. 7
eine sechste alternative Ausgestaltung der Abdeckung,
Fig. 8
eine siebte alternative Ausgestaltung der Abdeckung und
Fig. 9
eine achte alternative Ausgestaltung der Abdeckung.
Further details and features of the invention are evident from the following description of exemplary embodiments with reference to the drawings. Show it:
1
a cross section through a shading device according to the invention,
2
a first alternative embodiment of the cover,
3
a second alternative embodiment of the cover,
4
a third alternative embodiment of the cover,
figure 5
a fourth alternative embodiment of the cover,
6
a fifth alternative embodiment of the cover,
7
a sixth alternative embodiment of the cover,
8
a seventh alternative embodiment of the cover and
9
an eighth alternative embodiment of the cover.

Fig. 1 zeigt in schematischer Darstellung einen Querschnitt durch eine erfindungsgemäße Beschattungsvorrichtung 10 in Form einer Markise. Die Beschattungsvorrichtung 10 weist ein kastenartiges Gehäuse 13 auf, das sich senkrecht zur Zeichenebene von Fig. 1 erstreckt. In dem Gehäuse 13 ist eine sich in Längsrichtung des Gehäuses 13 erstreckende Tuchwelle 12 angeordnet, die um eine senkrecht zur Zeichenebene in Fig. 1 verlaufende Drehachse D drehbar ist. Auf der Tuchwelle 12 ist ein Tuch 11 aufgewickelt, das an seinem vorderen Ende mit einer Ausfallstange 14 in Eingriff steht, die ausgefahren, d.h. vom Gehäuse 13 wegbewegt oder zum Gehäuse 13 hingezogen werden kann, wie es durch den Doppelfeil A angedeutet ist. 1 shows a schematic representation of a cross section through a shading device 10 according to the invention in the form of an awning. The shading device 10 has a box-like housing 13, which is perpendicular to the plane of 1 extends. Arranged in the housing 13 is a roller tube 12 that extends in the longitudinal direction of the housing 13 and rotates around a perpendicular to the plane of the drawing in 1 running axis of rotation D is rotatable. A cloth 11 is wound onto the cloth shaft 12 and is in engagement at its front end with a drop-out rod 14 which can be extended, ie moved away from the housing 13 or drawn towards the housing 13, as indicated by the double file A.

Wenn die Ausfallstange 14 vom Gehäuse 13 wegbewegt wird, d.h. nach rechts in Fig. 1, wird das Tuch 11 von der Tuchwelle 12 abgewickelt und aufgespannt.When the dropout bar 14 is moved away from the housing 13, i.e. to the right in 1 , the fabric 11 is unwound from the fabric shaft 12 and stretched.

Wenn die Ausfallstange 14 eingezogen und zum Gehäuse 13 hinbewegt wird, d.h. nach links in Fig. 1, wird das Tuch 11 auf die Tuchwelle 12 aufgewickelt.When the dropout rod 14 is retracted and moved towards the housing 13, i.e. to the left in 1 , the fabric 11 is wound onto the fabric shaft 12.

Die Beschattungsvorrichtung 10 kann mittels des Gehäuses 13 an einer nicht näher dargestellten Tragvorrichtung 15 angebracht werden, bei der es sich beispielsweise um eine Gebäudewand handeln kann.The shading device 10 can be attached by means of the housing 13 to a support device 15, not shown in detail, which can be, for example, a building wall.

In dem Gehäuse 13 ist eine schalenförmige Abdeckung 16 angeordnet, die mit Abstand unterhalb der Tuchwelle 12 verläuft und sich ebenfalls senkrecht zur Zeichenebene in Fig. 1 erstreckt. Die Abdeckung 16 ist als Halbschale ausgebildet, die im Wesentlichen konzentrisch zur Drehachse D angeordnet ist und die Tuchwelle 12 auf deren Unterseite mit Abstand umgreift.In the housing 13, a shell-shaped cover 16 is arranged, which runs at a distance below the roller tube 12 and is also perpendicular to the plane of the drawing 1 extends. The cover 16 is designed as a half-shell which is arranged essentially concentrically to the axis of rotation D and surrounds the roller tube 12 on its underside at a distance.

Wenn das Tuch 11 weitestgehend oder vollständig auf die Tuchwelle 12 aufgewickelt ist, ist die dadurch auf der Tuchwelle 12 befindlichen Tuchrolle so dick, dass sie an der Innenwandung der Abdeckung 16 anliegt und von dieser abgestützt wird.When the cloth 11 is largely or completely wound onto the cloth shaft 12, the cloth roll that is thus located on the cloth shaft 12 is so thick that it rests against the inner wall of the cover 16 and is supported by it.

Im tiefsten Bereich, d.h. im unteren Scheitelpunkt der Abdeckung 16 ist ein rinnenförmiger Entwässerungskanal 19 mit einem V-förmigen Querschnitt angeordnet. Der Entwässerungskanal 19 ist durch Formung der Abdeckung 16 gebildet und somit ein einstückiger, monolithischer Bestandteil der Abdeckung 16.In the lowest area, i.e. at the lower apex of the cover 16, there is a gutter-shaped drainage channel 19 with a V-shaped cross section. The drainage channel 19 is formed by molding the cover 16 and is thus an integral, monolithic part of the cover 16.

Der Entwässerungskanal 19 ist auf der der Tuchwelle 12 abgewandten Unterseite der Abdeckung 16 angeordnet und in Richtung der Abdeckung 16 offen, so dass Wasser von oben, d.h. von der der Tuchwelle 12 zugewandten Seite der Abdeckung 16 in den Entwässerungskanal 19 einströmen kann.The drainage channel 19 is arranged on the underside of the cover 16 facing away from the roller tube 12 and is open in the direction of the cover 16, so that water from above, ie can flow into the drainage channel 19 from the side of the cover 16 facing the roller tube 12 .

Wenn das Tuch 11 in nassem Zustand aufgewickelt wird oder wenn in sonstiger Weise von oben Wasser in das Gehäuse 13 eintritt, kann das Wasser an der der Tuchwelle 12 zugewandten Innenwandung der Abdeckung 16 entlang strömen und in den als Freispiegelgerinne ausgebildete Entwässerungskanal 19 eintreten. In dem Entwässerungskanal 19 strömt das Wasser in Längsrichtung, d.h. parallel zur Drehachse D der Tuchwelle 12 bis vorzugsweise zu einem axialen Endbereich des Entwässerungskanals 19 und/oder der Tuchwelle 12 und/oder des Gehäuses 13 und kann dort mittels einer Ableitvorrichtung 23, die nur durch einen Pfeil angedeutet ist, aus der Beschattungsvorrichtung 10 abgeführt werden.If the cloth 11 is wound up when wet or if water enters the housing 13 from above in some other way, the water can flow along the inner wall of the cover 16 facing the cloth shaft 12 and enter the drainage channel 19 designed as an open channel. In the drainage channel 19, the water flows in the longitudinal direction, i.e. parallel to the axis of rotation D of the roller tube 12, preferably to an axial end area of the drainage channel 19 and/or the roller tube 12 and/or the housing 13, where it can be drained off by means of a drainage device 23, which can only be drawn through is indicated by an arrow, are discharged from the shading device 10.

Auf der inneren, der Tuchwelle 12 zugewandten Seite der Abdeckung 16 ist ein Gleitbelag 24 insbesondere aus Kunststoff angeordnet. Der Gleitbelag 24 ist von einer vorgefertigten, eigenstabilen Gleitschale 24a gebildet, die an der schalenförmigen Abdeckung 16 angebracht und mit dieser verrastet ist. An seinem unteren, dem Entwässerungskanal 19 zugewandten Ende greift der Gleitbelag 24 in den Entwässerungskanal 19 ein, ohne diesen jedoch vollständig auszukleiden, und hintergreift einen an der Abdeckung 16 ausgebildeten Vorsprung 17a. An seinem entgegengesetzten, dem Entwässerungskanal 19 abgewandten Ende umgreift der Gleitbelag 24 einen oberen Vorsprung 17b der Abdeckung 16, so dass der Gleitbelag 24 formschlüssig an der Abdeckung 16 gehalten ist.On the inner side of the cover 16 facing the roller tube 12, there is a sliding coating 24, in particular made of plastic. The sliding coating 24 is formed by a prefabricated, inherently stable sliding shell 24a, which is attached to the shell-shaped cover 16 and locked with it. At its lower end facing the drainage channel 19, the sliding coating 24 engages in the drainage channel 19, but without lining it completely, and engages behind a projection 17a formed on the cover 16. At its opposite end, facing away from the drainage channel 19, the sliding coating 24 encompasses an upper projection 17b of the cover 16, so that the sliding coating 24 is held on the cover 16 in a form-fitting manner.

In der Ausfallstange 14 ist ein nach unten ausfahrbarer Volant (nicht dargestellt) angeordnet, der auf einer Volant-Welle 25 aufwickelbar und von dieser abwickelbar ist. Unterhalb der Volant-Welle 25 ist eine Volant-Abdeckung 26 angeordnet, die in ihrem unteren Scheitelbereich einen Volant-Entwässerungskanal 27 aufweist. Der konstruktive Aufbau der Volant-Abdeckung 26 und des Volant-Entwässerungskanals 27 kann dem konstruktiven Aufbau der Abdeckung 16 bzw. des Entwässerungskanals 19 entsprechen.A downwardly extendable valance (not shown) is arranged in the projection bar 14 and is mounted on a valance shaft 25 can be wound up and unwound from this. A valance cover 26 is arranged below the valance corrugation 25 and has a valance drainage channel 27 in its lower apex region. The construction of the valance cover 26 and the valance drainage channel 27 can correspond to the construction of the cover 16 or the drainage channel 19 .

Wie Figur 1 zeigt, ist der Gleitbelag 24 nicht vollflächig auf die Abdeckung 16 aufgebracht, sondern nur in dem gemäß Figur 1 rechten Abschnitt 16a der Abdeckung 16 angeordnet, der der Ausfallstange 14 zugewandt ist. Ein der Ausfallstange 14 abgewandter, gemäß Fig. 1 linker Abschnitt 16b der Abdeckung 16 ist gleitbelagfrei.How figure 1 shows, the sliding coating 24 is not applied over the entire surface of the cover 16, but only in accordance with figure 1 right portion 16a of the cover 16, which faces the dropout bar 14. One of the dropout rod 14 facing away, according to 1 left section 16b of the cover 16 is free of sliding linings.

Wenn die Ausfallstange 14 ausgefahren und dadurch das Tuch 11 gespannt und aufgespannt wird, wird die Tuchwelle 12 mit dem darauf aufgewickeltem Tuch 11 gegen den der Ausfallstange 14 zugewandten Abschnitts 16a der Abdeckung 16 gespannt, so dass zwischen der Außenseite des aufgewickelten Tuches 11 und diesem Abschnitt 16a der Abdeckung 16 hohe Reibungskräfte auftreten würden, die durch den auf der Abdeckung 16 angeordneten Gleitbelag 24 gemindert werden.When the extension bar 14 is extended and the cloth 11 is stretched and stretched as a result, the cloth shaft 12 with the cloth 11 wound on it is tensioned against the section 16a of the cover 16 facing the extension bar 14, so that between the outside of the wound cloth 11 and this section 16a of the cover 16 high frictional forces would occur, which are reduced by the sliding coating 24 arranged on the cover 16.

Die folgenden Figuren zeigen Abwandlungen des konstruktiven Aufbaus der Abdeckung 16 und/oder des Gleitbelags 24 und/oder des wellenförmigen Entwässerungskanals 19:
Die Ausgestaltung gemäß Fig. 2 unterscheidet sich von der Ausgestaltung gemäß Fig. 1 dadurch, dass nunmehr auch in dem Abschnitt 16b der Abdeckung 16, der der Ausfallstange 14 abgewandt ist, ein Gleitbelag 24 des genannten Aufbaus angeordnet ist. Die Gleitbeläge 24 greifen mit ihren unteren, dem Entwässerungskanal 19 zugewandten Enden jeweils in den Entwässerungskanal 19 ein, ohne diesen jedoch vollständig auszukleiden. Eine Ausgestaltung, bei der nur ein einzelner Gleitbelag 24 vorgesehen ist, der den Entwässerungskanal 19 vollständig auskleidet, ist in Fig. 3 dargestellt.The following figures show modifications of the structural design of the cover 16 and/or the sliding coating 24 and/or the undulating drainage channel 19:
The design according to 2 differs from the design according to 1 characterized in that now also in the section 16b of the cover 16, which faces away from the extension bar 14, a sliding coating 24 of the structure mentioned is arranged. The sliding linings 24 grab with their lower, ends facing the drainage channel 19 each into the drainage channel 19, but without lining it completely. An embodiment in which only a single sliding coating 24 is provided, which completely lines the drainage channel 19, is in 3 shown.

Gemäß den Fig. 2 und 3 weist der Entwässerungskanal 19 einen rechteckigen, nach oben in Richtung der Tuchwelle 12 offenen Querschnitt auf.According to the Figures 2 and 3 the drainage channel 19 has a rectangular cross section which is open towards the top in the direction of the roller tube 12 .

Gemäß den Fig. 1, 2 und 3 sind die Abdeckung 16 und der Entwässerungskanal 19 als einstückiges, monolithisches Bauteil ausgebildet. Fig. 4 zeigt eine alternative Ausgestaltung, wonach die Abdeckung 16 und der Entwässerungskanal 19 als separate Bauteile ausgebildet und anschließend zusammengefügt sind. Der Entwässerungskanal 19 kann mit der Abdeckung 16 verschweißt oder verrastet oder verklebt sein.According to the 1 , 2 and 3 the cover 16 and the drainage channel 19 are designed as a one-piece, monolithic component. 4 shows an alternative embodiment, according to which the cover 16 and the drainage channel 19 are designed as separate components and then joined together. The drainage channel 19 can be welded or latched or glued to the cover 16 .

Fig. 5 zeigt eine weitere Alternative, wobei der Querschnitt der Abdeckung 16 aus zwei Schalenteilen 18a und 18b zusammengesetzt ist, die in einem Verbindungsbereich 20 miteinander verbunden sind bzw. in Eingriff stehen. Der Verbindungsbereich 20 ist an oder in dem unteren Scheitelpunkt der Abdeckung 16 angeordnet und im Verbindungsbereich 20 ist der Entwässerungskanal 19 durch eine nach untern hervorstehende Sicke zumindest eines der Schalenteile 18a ausgebildet. Der Entwässerungskanal 19 weist einen V-förmigen Querschnitt auf und das eine Schalenteil 18b trägt auf seiner der Tuchwelle 12 zugewandten Seite den Gleitbelag 24 genannten Aufbaus. figure 5 12 shows a further alternative, in which the cross-section of the cover 16 is composed of two shell parts 18a and 18b which are connected or engaged with one another in a connection area 20. FIG. The connection area 20 is arranged at or in the lower apex of the cover 16 and in the connection area 20 the drainage channel 19 is formed by a downwardly protruding bead of at least one of the shell parts 18a. The drainage channel 19 has a V-shaped cross-section and one shell part 18b carries the sliding coating 24 of the structure mentioned on its side facing the roller tube 12 .

Gemäß Fig. 6 ist der Querschnitt des Entwässerungskanals 19 vergrößert, jedoch besitzt er weiterhin einen im Wesentlichen rechteckigen Querschnitt und steht über eine obere Durchlassöffnung 21 mit der der Tuchwelle 12 zugewandten Innenseite der Abdeckung 16 in Verbindung.According to 6 the cross section of the drainage channel 19 is increased, but it still has a substantially rectangular cross-section and is connected via an upper passage opening 21 to the inside of the cover 16 facing the roller tube 12 .

Die Ausgestaltung des Entwässerungskanals 19 gemäß Fig. 7 unterscheidet sich dadurch, dass der Entwässerungskanal 19 nunmehr ein trapezförmigen Querschnitt besitzt, wobei die größere Trapez-Seite auf der unteren, der Tuchwelle 12 abgewandten Seite des Querschnitts angeordnet ist.The design of the drainage channel 19 according to 7 differs in that the drainage channel 19 now has a trapezoidal cross-section, with the larger trapezoidal side being arranged on the lower side of the cross-section facing away from the roller tube 12 .

Gemäß Fig. 8 besteht der Entwässerungskanal 19 aus zwei auf Abstand nebeneinander angeordneten Rinnen 19a, die parallel zueinander und in Längsrichtung der Tuchwelle 12 verlaufen. Die beiden Rinnen 19a können an einer oder mehreren in Längsrichtung der Tuchwelle 12 voneinander beabstandeten Bereichen über Durchlässe miteinander verbunden sein.According to 8 the drainage channel 19 consists of two spaced apart channels 19a which run parallel to one another and in the longitudinal direction of the roller tube 12. The two channels 19a can be connected to one another via openings in one or more areas spaced apart from one another in the longitudinal direction of the roller tube 12 .

Die Ausgestaltung gemäß Fig. 9 unterscheidet sich von der Ausgestaltung gemäß Fig. 8 dadurch, dass zwischen den beiden Rinnen 19a ein Stützbereich 28 angeordnet ist, der mit der Außenoberfläche des auf der Tuchwelle 12 aufgewickelten Tuches 11 in Anlage kommen kann und dieses entsprechend abstützt. The design according to 9 differs from the design according to 8 in that a support area 28 is arranged between the two grooves 19a, which can come into contact with the outer surface of the cloth 11 wound up on the cloth shaft 12 and supports it accordingly.

Claims (14)

  1. Shading device (10) comprising a cloth (11) and a cloth shaft (12) onto which the cloth (11) can be wound and from which it can be unwound, a concave cover (16) being arranged below the cloth shaft (12), which cover supports the cloth shaft (12) and the cloth (11) wound thereon over a partial circumference, a trough-shaped drainage channel (19) being arranged in a lower region of the cover (16), which channel extends in the longitudinal direction of the cloth shaft (12), characterized in that a sliding lining (24) is arranged on at least portions of the side of the cover (16) facing the cloth shaft (12), which sliding lining ends in or completely lines the drainage channel (19).
  2. Shading device according to claim 1, characterized in that the sliding lining (24) is formed by an inherently stable, prefabricated sliding shell (24a) which is attached to the concave cover (16).
  3. Shading device according to claim 2, characterized in that the sliding shell (24a) is locked to the cover (16).
  4. Shading device according to claim 1, characterized in that the sliding lining (24) is formed by a material layer or a film applied to the concave cover (16).
  5. Shading device according to any of claims 1 to 4, characterized in that the shading device (10) has a front bar (14) connected to the cloth (11), and in that the sliding lining (24) is arranged only on a portion (16a) of the cover (16) facing the front bar (24).
  6. Shading device according to claim 1, characterized in that the drainage channel (19) is an integral component of the cover (16).
  7. Shading device according to any of claims 1 to 6, characterized in that the drainage channel (19) is arranged on the underside of the cover (16) facing away from the cloth shaft (12), and in that a passage opening (21) is formed in the cover (16) above the drainage channel (19).
  8. Shading device according to claim 7, characterized in that the passage opening (21) is a slot (22) extending in the longitudinal direction of the cloth shaft (12).
  9. Shading device according to any of claims 1 to 8, characterized in that the cover (16) is composed of at least two shell parts (18a, 18b) which are in engagement with one another.
  10. Shading device according to claim 9, characterized in that the drainage channel (19) is formed in a connecting region (20) of the shell parts (18a, 18b).
  11. Procurement device according to any of claims 1 to 10,
    characterized in that the cloth shaft (12) is accommodated in a box-like housing (13) attached to a support structure (15), and in that the cover (16) is arranged in the housing (13).
  12. Shading device according to any of claims 1 to 11, characterized in that the drainage channel (19) extends over at least 80% of the axial length of the cover (16).
  13. Shading device according to any of claims 1 to 12, characterized in that a discharge device (23) is arranged at at least one of the axial ends of the drainage channel (19).
  14. Shading device according to any of claims 1 to 13, characterized in that the drainage channel (19) has a V-shaped or rectangular or trapezoidal cross section (19a, 19b).
EP22155888.5A 2021-02-10 2022-02-09 Shading device with drainage channel Active EP4043661B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021103137.0A DE102021103137A1 (en) 2021-02-10 2021-02-10 shading device

Publications (2)

Publication Number Publication Date
EP4043661A1 EP4043661A1 (en) 2022-08-17
EP4043661B1 true EP4043661B1 (en) 2023-05-24

Family

ID=80445967

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22155888.5A Active EP4043661B1 (en) 2021-02-10 2022-02-09 Shading device with drainage channel

Country Status (2)

Country Link
EP (1) EP4043661B1 (en)
DE (1) DE102021103137A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19607818A1 (en) 1996-03-01 1997-09-04 Schmitz Werke Awning, especially cassette awning
DE19716829C2 (en) 1997-04-22 2003-09-25 Weiermann Dieter Weinor awning
DE20001537U1 (en) 2000-01-31 2000-07-06 Roedelbronn Gmbh Sleeve awning
DE10150709C2 (en) 2001-10-13 2003-12-11 Erhardt Markisenbau Gmbh awning
DE102004022352B4 (en) 2004-04-29 2013-07-11 Giovanni Scaffidi awning
DE102006059470B4 (en) * 2006-03-13 2010-05-06 Weinor Gmbh & Co. Kg Support device for supporting a wrapping bale, and shading and / or visual protection device
EP3392425B1 (en) 2017-04-21 2020-01-08 Weinor GmbH & Co. KG Horizontal support with vertical shading and adjustable support

Also Published As

Publication number Publication date
DE102021103137A1 (en) 2022-08-11
EP4043661A1 (en) 2022-08-17

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