EP1437453B1 - Roller blind - Google Patents

Roller blind Download PDF

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Publication number
EP1437453B1
EP1437453B1 EP03024819A EP03024819A EP1437453B1 EP 1437453 B1 EP1437453 B1 EP 1437453B1 EP 03024819 A EP03024819 A EP 03024819A EP 03024819 A EP03024819 A EP 03024819A EP 1437453 B1 EP1437453 B1 EP 1437453B1
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EP
European Patent Office
Prior art keywords
toothed belt
guide rail
roller blind
shaft
drive means
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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
Application number
EP03024819A
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German (de)
French (fr)
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EP1437453A3 (en
EP1437453A2 (en
Inventor
Karl-Heinz Pöstges
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Postges Sabine
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Postges Sabine
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Publication of EP1437453A2 publication Critical patent/EP1437453A2/en
Publication of EP1437453A3 publication Critical patent/EP1437453A3/en
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Publication of EP1437453B1 publication Critical patent/EP1437453B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • 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
    • E04F10/0607—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 with guiding-sections for supporting the movable end of the 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
    • E04F10/0644—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 with mechanisms for unrolling or balancing the blind
    • E04F10/0648—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 with mechanisms for unrolling or balancing the blind acting on the roller tube
    • 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
    • E04F10/0644—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 with mechanisms for unrolling or balancing the blind
    • E04F10/0655—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 with mechanisms for unrolling or balancing the blind acting on the movable end, e.g. front bar

Definitions

  • the invention relates to a roller blind with a driven shaft on which a continuous, connected at its free end with a rod curtain is wound up or unwound to form a roll, wherein the rod is movable by means of at least one guided in each guide rail drive means, the parallel extending chambers for guiding the drive means, wherein in each drive means positively engages a drive wheel, which is arranged next to the winding axially parallel to the shaft at one end of the guide rail, and a compensating device for compensating the differences in length between the track unwound curtain and the covered Distance of the drive means at the same rotational angle of shaft and drive wheel, wherein the chambers of the guide rail surrounding the drive means on all sides, at the opposite end of the drive wheel guide rail is arranged a deflection for the drive means, one of Ends of the drive means is connected to a carriage, which is guided in a channel located between the two chambers of the guide rail, wherein the connection between the drive means and carriage by a longitudinal slot between one of the chambers and the
  • Comparable blinds are known from the prior art and are used in particular if, due to the course of the guide rails, a secure unwinding of the curtain is not ensured solely on account of the rod arranged at its end, also referred to as drop tube or drop rod. This can be low, for example, when shading from horizontal or horizontal inclined roof surfaces, such as a winter garden, the case.
  • DE 35 46 093 A1 discloses a drive device for movable fabric covers with both sides of the drive shaft attached discs for the drawstring, which is attached to the drop bar of the curtain and pulled over a arranged at the extreme end of the guide rollers pulley.
  • the profile of the guide rails has a closed guide chamber for the drawstring.
  • DE 44 19 853 C1 proposes a generic roller blind in which the drive means a push belt in place the known traction cables is used.
  • the members of the thrust belt have on their faces bearing surfaces that allow a stable position of the subsequent member. So that the push belt can wrap around the drive gear or follow a curved course of the curtain, the members of the push belt are pivotable connected with each other. For this purpose, they are strung on a flexible strand, such as a steel cable, like a pearl necklace. In general, it is necessary that the thrust belt is guided in a guide.
  • guide rails are provided with an E-shaped cross section for the formation of two adjacent chambers, which are open to the other guide rail.
  • the compensating device may be integrated into the push belt in the form of a preloaded spring disposed between the one end of the push belt and the end of the strand extending beyond that end.
  • link chains Due to the high weight of the link chain, the use of the roller blind according to DE 199 35 729 C2 makes high demands at its attachment.
  • link chains are quite expensive.
  • the axial play of the individual links must be taken into account, since the chain is subjected to both tension and compression.
  • it is necessary that the link chain is surrounded on all sides positively by the chambers in the guide rail, which are lined with plastic profiles.
  • a roller blind is known from DE 197 07 607 A1, the lower end of which is movable by a guided in a guide rail timing belt, which is guided in parallel chambers.
  • the present invention seeks to provide a roller blind that does not have the aforementioned disadvantages, in particular weight advantages, a simpler packaging of the drive means allows and is more reliable.
  • the arrangement of the other, third chamber in the guide rail simplifies the assembly of the toothed belt, since its opposite end of the carriage after deflection on the toothed belt pulley can not abut the carriage, but is guided separately in the other chamber. At the same time thereby the reliability of the roller blind is improved.
  • the pulleys in the region of the deflection generally prevent lateral slipping of the belt
  • the timing belt is surrounded in the region of each pulley in particular form-fitting of a guide profile, which saves space and cost as an integral part of a Housing for driving the blinds can be configured.
  • the compensating device consists of a torsion spring arranged inside the hollow shaft, in particular a helical spring, which has an end on the hollow shaft and with the other end on an inner concentric with the hollow shaft Drive shaft is fixed, which is rotatable relative to the hollow shaft and rotatably connected to each pulley.
  • the inner, completely through the outer hollow shaft extending drive shaft connects the two next to the winding arranged pulleys, so that only one drive for both pulleys is required.
  • a first with the hollow shaft and a second connected to the drive shaft in particular hollow cylindrical driver may be provided, which receives the ends of the torsion spring.
  • the compensating device in the shaft of the drop bar can be moved up to the ends of the guide rails.
  • the driver connected to the drive shaft has a projection which points in the axial direction of the drive shaft and which extends into the intermediate space between the spiral spring and the drive shaft.
  • the projection prevents the spiral spring from being placed on the drive shaft under load and damaging it.
  • the projection is preferably arranged directly below the receiving of the coil spring in the driver.
  • roller blind consists essentially of a driven cloth shaft 2, arranged on the sides of drive wheels in the form of toothed pulleys 3 (Figure 2) positively engage in each case a toothed belt 4, and guide rails 5 for guiding the toothed belt 4 and a sliding guided carriage 6.
  • the curtain 38 is on the one hand connected to the fabric shaft 2 and on the other hand with a transverse bar 7, which in turn engages in the carriage 6.
  • the toothed belt pulleys 3 are non-rotatably connected to a drive shaft 9, which is arranged concentrically to the cloth shaft 2.
  • the toothed belt pulleys 3 and thus the drive shaft 9 are supported on bearings, not shown, on the housing 12 of the roller blind 1.
  • the roller shutter motor is connected in a conventional manner with the drive shaft.
  • the rotatable relative to the drive shaft 9 cloth shaft 2 is supported by drivers 18a, b, which are located at the outer ends of the annular space between cloth and drive shaft (2.9).
  • the drivers 18a, 18b are formed as sleeves with groove-shaped, longitudinally extending recesses 41 and 42, respectively.
  • the sleeve shown in Figure 4 (A) engages with their recesses 41 in corresponding recesses 43 of the drive shaft 9, while in the recesses 42 of the sleeve shown in Figure 4b corresponding recesses 44 of the fabric shaft 2 engage.
  • the driver 18a connected to the drive shaft 9 has a projection 46 pointing in the axial direction thereof in the space between a coil spring 16 and the drive shaft 9 extends. The projection prevents accidental placement of the coil spring 16 on the drive shaft.
  • the coil spring 16 In the annular space between the roller tube 2 and the drive shaft 9 is the coil spring 16, the rectilinear ends 17a, 17b stuck in hollow cylindrical, extending in the axial direction spring retainers 45a, 45b of the cylindrical sleeves.
  • the toothed belt 4 is forcibly guided in chambers 24, 25, 26 of the guide rail 5.
  • Figure 5 it can be seen how the chambers 24, 25 and 26 surround the toothed belt, not shown, on all sides.
  • the chamber 25 has a longitudinal slot 29 extending over the entire path of movement through which the teeth of the toothed belt engage in the depressions 22 of the carriage 6.
  • the carriage 6 itself is guided in a channel 28 of the guide rail 5 located between the chambers 24, 25, wherein the channel 28 in the direction of the curtain 38 has a longitudinal slot 31 (see also Figure 1), through which the cross bar with the carriage connected is.
  • the fastening groove 32 which can be seen further from FIG. 5, for example, receives screws which connect the guide rails 5 with brackets 35 (see FIG.
  • the roller shutter motor is set in motion, which is set in rotation via the drive shaft 9, the cloth shaft 2 and the toothed belt pulleys 3.
  • the toothed belt moves with the carriage 6 from the position shown in Figure 2 (A) of the timing belt pulleys 3, in the direction of a lower deflection 37 for the timing belt 4.
  • Toothed belt 4 through the channel 25 via the deflection 37 in the channel 24 to the toothed belt pulley 3 occur during extension of the curtain only tensile forces in the timing belt.
  • the carriage 6 If the curtain is to be retracted again from the opened position of the roller blind and thus wound onto the cloth shaft 2, the carriage 6 must be moved from the position shown in FIG. 2 (B) into the position shown in FIG. 2 (A). Supported by the energy stored in the coil spring 16 of the compensation device, the toothed belt pushes the carriage 6 in the retraction direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Abstract

Toothed belts are the drives for a roller blind, moving within guide rails (5), with their free ends connected to a running slide to carry the blind by a rod between them. Toothed belts are the drives for a roller blind, moving within guide rails (5), with their free ends connected to a running slide to carry the blind by a rod between them. The guide rail has chambers (24-26) which shroud the toothed belts on all sides, with a longitudinal slit (29) for the belt teeth to project through and engage the slides which travel through a channel (28) between the belt levels, with an opening (31) for the blind rod. One end of the rail has a groove profile (32) for its mounting.

Description

Die Erfindung betrifft ein Rollo mit einer angetriebenen Welle auf der ein durchgehender, an seinem freien Ende mit einem Stab verbundener Behang unter Bildung eines Wickels auf - bzw. abgewickelt wird, wobei der Stab mittels mindestens einem in jeweils einer Führungsschiene geführten Antriebsmittel bewegbar ist, die parallel verlaufende Kammern zur Führung des Antriebsmittels aufweist, bei dem in jedes Antriebsmittel formschlüssig ein Antriebsrad eingreift, das neben dem Wickel achsparallel zu dessen Welle an einem Ende der Führungsschiene angeordnet ist, sowie einer Ausgleichsvorrichtung zum Ausgleichen der Längenunterschiede zwischen der Strecke abgewickelten Behanges und der zurückgelegten Strecke des Antriebsmittels bei gleichem Drehwinkel von Welle und Antriebsrad, wobei die Kammern der Führungsschiene das Antriebsmittel allseitig umgeben, an dem dem Antriebsrad gegenüberliegenden Ende der Führungsschiene eine Umlenkung für das Antriebsmittel angeordnet ist, eines der Enden des Antriebsmittels mit einem Laufwagen verbunden ist, der in einem zwischen den beiden Kammern befindlichen Kanal der Führungsschiene geführt ist, wobei die Verbindung zwischen Antriebsmittel und Laufwagen durch einen Längsschlitz zwischen einer der Kammern und dem Kanal der Führungsschiene erfolgt, sowie der Kanal einen weiteren Längsschlitz als Durchgang für den mit dem Laufwagen verbundenen Stab aufweist.The invention relates to a roller blind with a driven shaft on which a continuous, connected at its free end with a rod curtain is wound up or unwound to form a roll, wherein the rod is movable by means of at least one guided in each guide rail drive means, the parallel extending chambers for guiding the drive means, wherein in each drive means positively engages a drive wheel, which is arranged next to the winding axially parallel to the shaft at one end of the guide rail, and a compensating device for compensating the differences in length between the track unwound curtain and the covered Distance of the drive means at the same rotational angle of shaft and drive wheel, wherein the chambers of the guide rail surrounding the drive means on all sides, at the opposite end of the drive wheel guide rail is arranged a deflection for the drive means, one of Ends of the drive means is connected to a carriage, which is guided in a channel located between the two chambers of the guide rail, wherein the connection between the drive means and carriage by a longitudinal slot between one of the chambers and the channel of the guide rail, and the channel is a further longitudinal slot having as a passage for the rod connected to the carriage.

Vergleichbare Rollos sind aus dem Stand der Technik bekannt und werden insbesondere dann eingesetzt, wenn aufgrund des Verlaufs der Führungsschienen ein sicheres Abwickeln des Behangs ausschließlich aufgrund des an seinem Ende angeordneten Stabs, auch als Fallrohr oder Fallstab bezeichnet, nicht gewährleistet ist. Dies kann beispielsweise bei der Beschattung von horizontalen oder gegenüber der Horizontalen nur gering geneigten Dachflächen, beispielsweise eines Wintergartens, der Fall sein.Comparable blinds are known from the prior art and are used in particular if, due to the course of the guide rails, a secure unwinding of the curtain is not ensured solely on account of the rod arranged at its end, also referred to as drop tube or drop rod. This can be low, for example, when shading from horizontal or horizontal inclined roof surfaces, such as a winter garden, the case.

Bei derartigen Rollos ist es erforderlich, dass auf den Fallstab zusätzliche Kräfte wirken. Zu diesem Zweck sind sogenannte Gegenzuganlagen bekannt geworden. Bei diesen Anlagen wird der Behang mittels zweier Zugseile, die an dem Fallstab angreifen, vom Wickel abgezogen. Die beiden Zugseile sind deshalb auf je einer neben den Enden des Wickels auf der Welle angeordneten Spule mit einem dem Wickelsinn des Behangs entgegengesetzten Sinn aufgewickelt und längs des Weges, den der Fallstab zurücklegen kann, zu einer Umlenkeinrichtung geführt und von dort zurück zum Fallstab. Der Aufwand für die Führung der Zugseile, ist relativ groß.In such blinds, it is necessary that act on the drop rod additional forces. For this purpose, so-called counter pull systems have become known. In these systems, the curtain is pulled off the winding by means of two pull ropes which act on the drop bar. The two traction cables are therefore wound on each one arranged next to the ends of the coil on the shaft coil with a sense of Wicklungsinn the curtain opposite sense and along the path, which can cover the drop rod, led to a deflection and from there back to the drop rod. The effort for the leadership of the traction cables, is relatively large.

Weiter offenbart die DE 35 46 093 A1 eine Antriebsvorrichtung für bewegliche Stoffabdeckungen mit beidseitig der Antriebswelle befestigten Scheiben für das Zugband, das an dem Fallstab des Behangs befestigt und über eine am äußersten Ende der Führungsschienen angeordnete Umlenkrolle gezogen ist. Das Profil der Führungsschienen besitzt eine geschlossene Führungskammer für das Zugband.Further, DE 35 46 093 A1 discloses a drive device for movable fabric covers with both sides of the drive shaft attached discs for the drawstring, which is attached to the drop bar of the curtain and pulled over a arranged at the extreme end of the guide rollers pulley. The profile of the guide rails has a closed guide chamber for the drawstring.

Um den Aufwand für die Führung der Zugseile zu verringern und trotzdem relativ große Kräfte sowohl in Zug- als auch in Druckrichtung auf den Fallstab übertragen zu können, schlägt die DE 44 19 853 C1 ein gattungsgemäßes Rollo vor, bei dem als Antriebsmittel ein Schubgliederband an Stelle der bekannten Zugseile Einsatz findet.In order to reduce the cost of the leadership of the traction cables and still be able to transmit relatively large forces in both tensile and compressive direction on the drop rod, DE 44 19 853 C1 proposes a generic roller blind in which the drive means a push belt in place the known traction cables is used.

Um eine gewisse Knicksteifigkeit zu erzielen, weisen die Glieder des Schubgliederbandes an ihren Stirnseiten Anlageflächen auf, die eine stabile Lage des darauf folgenden Gliedes ermöglichen. Damit das Schubgliederband das Antriebszahnrad umschlingen oder einem gekrümmten Verlauf des Behanges folgen kann, sind die Glieder des Schubgliederbandes schwenkbar miteinander verbunden. Hierzu sind sie auf einem flexiblen Strang, beispielsweise einem Stahlseil, nach Art einer Perlenkette aufgereiht. In der Regel ist es notwendig, dass das Schubgliederband in einer Führung geführt ist. Hierzu sind Führungsschienen mit einem E-förmigen Querschnitt zur Bildung von zwei nebeneinander liegenden Kammern vorgesehen, welche zur anderen Führungsschiene hin offen sind. Die Ausgleichsvorrichtung kann in das Schubgliederband in Form einer vorgespannten Feder integriert werden, die zwischen dem einen Ende des Schubgliederbandes und dem über dieses Ende hinausstehenden Ende des Stranges angeordnet ist. Problematisch ist die aufwendige und damit kostspielige Herstellung und Montage des Schubgliederbandes, die insbesondere aus der Herstellung der speziellen Schubglieder und dem Aufreihen der Schubglieder auf einem flexiblen Strang resultieren.In order to achieve a certain buckling resistance, the members of the thrust belt have on their faces bearing surfaces that allow a stable position of the subsequent member. So that the push belt can wrap around the drive gear or follow a curved course of the curtain, the members of the push belt are pivotable connected with each other. For this purpose, they are strung on a flexible strand, such as a steel cable, like a pearl necklace. In general, it is necessary that the thrust belt is guided in a guide. For this purpose, guide rails are provided with an E-shaped cross section for the formation of two adjacent chambers, which are open to the other guide rail. The compensating device may be integrated into the push belt in the form of a preloaded spring disposed between the one end of the push belt and the end of the strand extending beyond that end. The problem is the complex and thus costly production and assembly of the push belt, resulting in particular from the production of special push elements and the stringing of the push elements on a flexible strand.

Um die Montage und Konfektionierung des Antriebsmittels zu vereinfachen, und die im Bereich der Zahnräder auftretenden Antriebsprobleme zu vermeiden, wird in der DE 199 35 729 C2 ein gattungsgemäßes Rollo vorgeschlagen, bei dem das Antriebsmittel eine Laschenkette ist. Die Verwendung einer handelsüblichen Laschenkette vereinfacht die Konfektionierung des Antriebsmittels und löst gleichzeitig die antriebstechnischen Probleme im Bereich der Zahnräder. Als Bindeglied zwischen der handelsüblichen Kette und dem Stab fungiert ein separat in einem Kanal geführtes Zahnstangenprofil. Die problematische Übertragung der Druckkräfte mittels einer Laschenkette wird durch die besonders ausgestaltete, die Laschenkette in zwei getrennten Kammern führende Führungsschiene in Verbindung mit der Umlenkung für die Laschenkette zwischen den beiden Kammern vermieden. Aufgrund der Kettenführung treten in der Laschenkette beim Abwickeln des Behanges ausschließlich Zugkräfte auf.In order to simplify the assembly and assembly of the drive means, and to avoid the occurring in the gear wheels drive problems, a generic roller blind is proposed in DE 199 35 729 C2, in which the drive means is a link chain. The use of a commercially available link chain simplifies the assembly of the drive means and at the same time solves the drive technology problems in the area of the gears. As a link between the commercial chain and the rod acts a separately guided in a channel rack profile. The problematic transmission of pressure forces by means of a link chain is avoided by the specially designed, the link chain in two separate chambers leading guide rail in conjunction with the deflection for the link chain between the two chambers. Due to the chain guide occur in the link chain when unwinding the curtain only tensile forces.

Aufgrund des hohen Gewichts der Laschekette stellt der Einsatz des Rollos nach der DE 199 35 729 C2 hohe Anforderungen an dessen Befestigung. Darüber hinaus sind Laschenketten recht kostspielig. Bei der Konfektionierung der Laschenkette muss das Achsspiel der einzelnen Glieder berücksichtigt werden, da die Kette sowohl auf Zug als auch auf Druck beansprucht wird. Für die Druckbeanspruchung ist es notwendig, dass die Laschekette allseitig formschlüssig von den Kammern in der Führungsschiene umgeben wird, die mit Kunststoffprofilen ausgekleidet sind.Due to the high weight of the link chain, the use of the roller blind according to DE 199 35 729 C2 makes high demands at its attachment. In addition, link chains are quite expensive. When assembling the link chain, the axial play of the individual links must be taken into account, since the chain is subjected to both tension and compression. For the compressive stress, it is necessary that the link chain is surrounded on all sides positively by the chambers in the guide rail, which are lined with plastic profiles.

Schließlich ist aus der DE 197 07 607 A1 ein Rollo bekannt, dessen unteres Ende von einem in einer Führungsschiene geführten Zahnriemen bewegbar ist, der in parallel verlaufenden Kammern geführt ist.Finally, a roller blind is known from DE 197 07 607 A1, the lower end of which is movable by a guided in a guide rail timing belt, which is guided in parallel chambers.

Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, ein Rollo zu schaffen, dass die vorgenannten Nachteile nicht aufweist, insbesondere Gewichtsvorteile aufweist, eine einfachere Konfektionierung des Antriebsmittels ermöglicht und betriebssicherer ist.Based on this prior art, the present invention seeks to provide a roller blind that does not have the aforementioned disadvantages, in particular weight advantages, a simpler packaging of the drive means allows and is more reliable.

Diese Aufgabe wird bei einem Rollo der eingangs erwähnten Art dadurch gelöst, dass

  • jedes Antriebsmittel als geöffneter, zwei Enden a,b) aufweisender Zahnriemen ausgebildet ist,
  • neben der den Längsschlitz aufweisenden Kammer eine weitere Kammer zur Führung des Zahnriemens angeordnet ist,
  • das mit dem Laufwagen verbundene Ende des Zahnriemens in der den Längsschlitz aufweisenden Kammer und das entgegengesetzte Ende in der weiteren Kammer geführt sind und
  • der Laufwagen mit dem Ende des Zahnriemens verbunden ist, das an dem der Zahnriemenscheibe gegenüberliegenden Ende der Führungsschiene umgelenkt wird.
This object is achieved in a roller blind of the type mentioned in that
  • each drive means is designed as an open toothed belt having two ends a, b),
  • next to the longitudinal slot chamber having a further chamber for guiding the toothed belt is arranged
  • the connected to the carriage end of the toothed belt in the longitudinal slot having chamber and the opposite end are guided in the other chamber and
  • the carriage is connected to the end of the toothed belt, which is deflected at the end opposite the toothed belt pulley end of the guide rail.

Die Verwendung des Zahnriemens bringt neben Gewichtsvorteilen eine einfachere Konfektionierung mit sich, da sich dessen Länge bei Druck- und Zugbeanspruchung praktisch nicht verändert. Die bisher üblichen Kunststoffprofile in den Kammern der Führungsschienen sind nicht mehr erforderlich. Beim Abwickeln des Behanges gegen die Federkraft der Ausgleichsvorrichtung werden ausschließlich Zugkräfte über den Zahnriemen übertragen.The use of the belt in addition to weight advantages a simpler packaging with it, as its length practically does not change under compressive and tensile stress. The usual plastic profiles in the chambers of the guide rails are no longer required. When unwinding the curtain against the spring force of the compensating device only tensile forces are transmitted through the timing belt.

Die Anordnung der weiteren, dritten Kammer in der Führungsschiene vereinfacht die Konfektionierung des Zahnriemens, da dessen dem Laufwagen entgegengesetztes Ende nach der Umlenkung an der Zahnriemenscheibe nicht an den Laufwagen anstoßen kann, sondern in der weiteren Kammer separat geführt wird. Gleichzeitig wird hierdurch die Betriebssicherheit des Rollos verbessert.The arrangement of the other, third chamber in the guide rail simplifies the assembly of the toothed belt, since its opposite end of the carriage after deflection on the toothed belt pulley can not abut the carriage, but is guided separately in the other chamber. At the same time thereby the reliability of the roller blind is improved.

Obwohl die Zahnriemenscheiben im Bereich der Umlenkung grundsätzlich ein seitliches Verrutschen des Zahnriemens verhindern, hat es sich in der Praxis als vorteilhaft herausgestellt, wenn der Zahnriemen auch im Bereich jeder Zahnriemenscheibe insbesondere formschlüssig von einem Führungsprofil umgeben ist, das besonders platzsparend und kostengünstig als integraler Bestandteil eines Gehäuses für den Antrieb des Rollos ausgestaltet sein kann.Although the pulleys in the region of the deflection generally prevent lateral slipping of the belt, it has been found in practice advantageous if the timing belt is surrounded in the region of each pulley in particular form-fitting of a guide profile, which saves space and cost as an integral part of a Housing for driving the blinds can be configured.

In einer erfindungsgemäßen Ausgestaltung des Rollos wird vorgeschlagen, dass die Ausgleichsvorrichtung aus einer im Inneren der hohlen Welle angeordneten Torsionsfeder, insbesondere einer Schraubenfeder, besteht, die mit einem Ende an der hohlen Welle und mit dem anderen Ende an einer konzentrisch zu der hohlen Welle angeordneten inneren Antriebswelle befestigt ist, die relativ zu der hohlen Welle drehbar und mit jeder Zahnriemenscheibe drehfest verbunden ist. Die innere, sich vollständig durch die äußere hohle Welle erstreckende Antriebswelle verbindet die beiden neben dem Wickel angeordneten Zahnriemenscheiben, so dass nur noch ein Antrieb für beide Zahnriemenscheiben erforderlich ist. Zur Befestigung der Torsionsfeder an den beiden Wellen kann ein erster mit der hohlen Welle und ein zweiter mit der Antriebswelle verbundener, insbesondere hohlzylindrischer Mitnehmer vorgesehen sein, der die Enden der Torsionsfeder aufnimmt. In Verbindung mit der Ausgleichsvorrichtung in der Welle kann der Fallstab bis an die Enden der Führungsschienen herangefahren werden.In an embodiment of the roller blind according to the invention, it is proposed that the compensating device consists of a torsion spring arranged inside the hollow shaft, in particular a helical spring, which has an end on the hollow shaft and with the other end on an inner concentric with the hollow shaft Drive shaft is fixed, which is rotatable relative to the hollow shaft and rotatably connected to each pulley. The inner, completely through the outer hollow shaft extending drive shaft connects the two next to the winding arranged pulleys, so that only one drive for both pulleys is required. For fixing the torsion spring to the two shafts, a first with the hollow shaft and a second connected to the drive shaft, in particular hollow cylindrical driver may be provided, which receives the ends of the torsion spring. In conjunction with the compensating device in the shaft of the drop bar can be moved up to the ends of the guide rails.

Der mit der Antriebswelle verbundene Mitnehmer weist in einer Ausgestaltung der Erfindung einen in Achsrichtung der Antriebswelle weisenden Vorsprung auf, der sich in den Zwischenraum zwischen der Spiralfeder und der Antriebswelle erstreckt. Der Vorsprung verhindert, dass die sich Spiralfeder unter Belastung auf die Antriebswelle legt und diese beschädigt. Der Vorsprung ist vorzugsweise unmittelbar unterhalb der Aufnahme der Spiralfeder in dem Mitnehmer angeordnet.In one embodiment of the invention, the driver connected to the drive shaft has a projection which points in the axial direction of the drive shaft and which extends into the intermediate space between the spiral spring and the drive shaft. The projection prevents the spiral spring from being placed on the drive shaft under load and damaging it. The projection is preferably arranged directly below the receiving of the coil spring in the driver.

Nachfolgend wird die Erfindung anhand eines Ausführungsbeispieles des näheren erläutert.The invention will be explained with reference to an embodiment of the closer.

Es zeigen:

Figur 1
eine schematische Seitenansicht eines erfindungsgemäßen Rollos,
Figur 2(a),(b)
eine schematische Darstellung der Führung des Zahnriemens des Rollos,
Figur 3
einen Längsschnitt durch die Tuchwelle des Rollos,
Figur 4(a),(b)
Querschnitte durch die Tuchwelle nach Figur 3 jeweils im Bereich der Mitnehmer und
Figur 5
einen Querschnitt durch die Führungsschiene des Rollos.
Show it:
FIG. 1
a schematic side view of a roller blind according to the invention,
FIG. 2 (a), (b)
a schematic representation of the leadership of the belt of the roller blind,
FIG. 3
a longitudinal section through the roller shaft of the roller blind,
FIG. 4 (a), (b)
Cross sections through the fabric shaft of Figure 3 respectively in the region of the driver and
FIG. 5
a cross section through the guide rail of the roller blind.

Das insgesamt mit 1 bezeichnete Rollo besteht im wesentlichen aus einer angetriebenen Tuchwelle 2, an deren Seiten angeordnete Antriebsräder in Form von Zahnriemenscheiben 3 (Figur 2) formschlüssig in jeweils einen Zahnriemen 4 eingreifen, sowie Führungsschienen 5 zur Führung des Zahnriemens 4 sowie einem gleitend geführten Laufwagen 6. Der Behang 38 ist einerseits mit der Tuchwelle 2 und andererseits mit einem Querstab 7 verbunden, der wiederum in den Laufwagen 6 greift.The generally designated 1 roller blind consists essentially of a driven cloth shaft 2, arranged on the sides of drive wheels in the form of toothed pulleys 3 (Figure 2) positively engage in each case a toothed belt 4, and guide rails 5 for guiding the toothed belt 4 and a sliding guided carriage 6. The curtain 38 is on the one hand connected to the fabric shaft 2 and on the other hand with a transverse bar 7, which in turn engages in the carriage 6.

Die Zahnriemenscheiben 3 sind drehfest mit einer konzentrisch zur Tuchwelle 2 angeordneten Antriebswelle 9 verbunden. Die Zahnriemenscheiben 3 und damit die Antriebswelle 9 stützen sich über nicht dargestellte Lager an dem Gehäuse 12 des Rollos 1 ab. Der Rollladenmotor ist in an sich bekannter Weise mit der Antriebswelle verbunden.The toothed belt pulleys 3 are non-rotatably connected to a drive shaft 9, which is arranged concentrically to the cloth shaft 2. The toothed belt pulleys 3 and thus the drive shaft 9 are supported on bearings, not shown, on the housing 12 of the roller blind 1. The roller shutter motor is connected in a conventional manner with the drive shaft.

Die relativ zur Antriebswelle 9 drehbare Tuchwelle 2 stützt sich über Mitnehmer 18a,b ab, die sich an den äußeren Enden des Ringraums zwischen Tuch- und Antriebswelle (2,9) befinden. Die Mitnehmer 18a, 18b sind als Hülsen mit nutenförmigen, in Längsrichtung verlaufenden Vertiefungen 41 bzw. 42 ausgebildet. Die in Figur 4 (A) dargestellte Hülse greift mit ihren Vertiefungen 41 in korrespondierende Vertiefungen 43 der Antriebswelle 9, während in die Vertiefungen 42 der in Figur 4b dargestellten Hülse korrespondierende Vertiefungen 44 der Tuchwelle 2 eingreifen.The rotatable relative to the drive shaft 9 cloth shaft 2 is supported by drivers 18a, b, which are located at the outer ends of the annular space between cloth and drive shaft (2.9). The drivers 18a, 18b are formed as sleeves with groove-shaped, longitudinally extending recesses 41 and 42, respectively. The sleeve shown in Figure 4 (A) engages with their recesses 41 in corresponding recesses 43 of the drive shaft 9, while in the recesses 42 of the sleeve shown in Figure 4b corresponding recesses 44 of the fabric shaft 2 engage.

Der mit der Antriebswelle 9 verbundene Mitnehmer 18a besitzt einen in deren Achsrichtung weisenden Vorsprung 46, der sich in den Zwischenraum zwischen einer Spiralfeder 16 und der Antriebswelle 9 erstreckt. Der Vorsprung verhindert ein ungewolltes Aufsetzen der Spiralfeder 16 auf der Antriebswelle 9.The driver 18a connected to the drive shaft 9 has a projection 46 pointing in the axial direction thereof in the space between a coil spring 16 and the drive shaft 9 extends. The projection prevents accidental placement of the coil spring 16 on the drive shaft. 9

In dem Ringraum zwischen Tuchwelle 2 und Antriebswelle 9 befindet sich die Schraubenfeder 16, deren geradlinig verlaufende Enden 17a, 17b in hohlzylindrischen, in Achsrichtung verlaufenden Federaufnahmen 45a, 45b der zylindrischen Hülsen stecken.In the annular space between the roller tube 2 and the drive shaft 9 is the coil spring 16, the rectilinear ends 17a, 17b stuck in hollow cylindrical, extending in the axial direction spring retainers 45a, 45b of the cylindrical sleeves.

Der Zahnriemen 4 wird in Kammern 24, 25, 26 der Führungsschiene 5 zwangsgeführt. In Figur 5 ist zu erkennen, wie die Kammern 24, 25 und 26 den nicht dargestellten Zahnriemen allseitig umgeben.The toothed belt 4 is forcibly guided in chambers 24, 25, 26 of the guide rail 5. In Figure 5 it can be seen how the chambers 24, 25 and 26 surround the toothed belt, not shown, on all sides.

In Richtung der Vertiefungen 22 des Laufwagens 6 besitzt die Kammer 25 einen über dessen gesamten Bewegungsweg reichenden Längsschlitz 29 durch den die Zähne des Zahnriemens in die Vertiefungen 22 des Laufwagens 6 eingreifen. Der Laufwagen 6 selbst wird in einem zwischen den Kammern 24, 25 befindlichen Kanal 28 der Führungsschiene 5 geführt, wobei der Kanal 28 in Richtung des Behanges 38 einen Längsschlitz 31 (vgl. auch Figur 1) aufweist, durch den hindurch der Querstab mit dem Laufwagen verbunden ist.In the direction of the depressions 22 of the carriage 6, the chamber 25 has a longitudinal slot 29 extending over the entire path of movement through which the teeth of the toothed belt engage in the depressions 22 of the carriage 6. The carriage 6 itself is guided in a channel 28 of the guide rail 5 located between the chambers 24, 25, wherein the channel 28 in the direction of the curtain 38 has a longitudinal slot 31 (see also Figure 1), through which the cross bar with the carriage connected is.

Die aus Figur 5 weiter ersichtliche Befestigungsnute 32 nimmt beispielsweise Schrauben auf, die die Führungsschienen 5 mit Konsolen 35 (vgl. Figur 1) zur Wandmontage verbinden.The fastening groove 32, which can be seen further from FIG. 5, for example, receives screws which connect the guide rails 5 with brackets 35 (see FIG.

Zum Betätigen des Rollos wird der Rollladenmotor in Gang gesetzt, der über die Antriebswelle 9, die Tuchwelle 2 und die Zahnriemenscheiben 3 in Drehung versetzt. Infolge dessen bewegt sich der Zahnriemen mit dem Laufwagen 6 aus der in Figur 2 (A) dargestellten Lage von den Zahnriemenscheiben 3 weg, in Richtung einer unteren Umlenkung 37 für den Zahnriemen 4. Aufgrund der in Figuren 2 (A,B) dargestellten Führung des Zahnriemens 4 durch den Kanal 25 über die Umlenkung 37 in den Kanal 24 zu der Zahnriemenscheibe 3 treten beim Ausfahren des Behanges ausschließlich Zugkräfte in dem Zahnriemen auf. Sobald sich der Laufwagen 6 etwas in Richtung der Umlenkung 37 bewegt hat, gleitet das freie Ende 19 a in die weitere Kammer 26 der Führungsschiene 5, die parallel und unmittelbar neben der Kammer 25 angeordnet ist.To operate the roller blind, the roller shutter motor is set in motion, which is set in rotation via the drive shaft 9, the cloth shaft 2 and the toothed belt pulleys 3. As a result, the toothed belt moves with the carriage 6 from the position shown in Figure 2 (A) of the timing belt pulleys 3, in the direction of a lower deflection 37 for the timing belt 4. Due to the leadership shown in Figures 2 (A, B) Toothed belt 4 through the channel 25 via the deflection 37 in the channel 24 to the toothed belt pulley 3 occur during extension of the curtain only tensile forces in the timing belt. Once the carriage 6 has moved slightly in the direction of the deflection 37, the free end slides 19 a in the further chamber 26 of the guide rail 5, which is arranged parallel and immediately adjacent to the chamber 25.

Beim Ab- bzw. Aufwickeln des Behanges nimmt der Durchmesser des Wickels auf der Tuchwelle 2 ab bzw. zu. Folglich nimmt auch die Strecke des abgewickelten Behanges je Umdrehung der Tuchwelle 2 ab oder zu. Der Vorschub des Laufwagens 6 je Umdrehung der Antriebswelle 9 bleibt indes konstant. Um diesen mit abnehmendem Wickeldurchmesser größer werdenden Längenunterschied auszugleichen, ist die Schraubenfeder 16 zwischen Tuchwelle 2 und Antriebswelle 9 angeordnet. In der Ausgangsposition nach Figur 2 (A) ist die Schraubenfeder 16 spannungslos und wird zunehmend während des Abwickelns gespannt, so dass in der voll ausgefahrenen Position des Behanges in Figur 2 (B) die maximale Spannung in dem Tuch herrscht. Diese Tuchspannung unterstützt wirksam das Einfahren des Behanges und reduziert die Höhe der über den Zahnriemen zu übertragenden Schubkräfte.When unwinding or winding up the curtain, the diameter of the roll on the fabric shaft 2 decreases or decreases. Consequently, the distance of the unwound Behanges per turn of the fabric shaft 2 decreases or to. The feed of the carriage 6 per revolution of the drive shaft 9, however, remains constant. In order to compensate for this increasing with decreasing winding diameter difference in length, the coil spring 16 between the fabric shaft 2 and drive shaft 9 is arranged. In the starting position of Figure 2 (A), the coil spring 16 is de-energized and is increasingly stretched during unwinding, so that in the fully extended position of the curtain in Figure 2 (B) the maximum tension prevails in the blanket. This fabric tension effectively aids retraction of the curtain and reduces the amount of shear forces to be transmitted through the timing belt.

Soll der Behang aus der geöffneten Position des Rollos wieder eingefahren und damit auf die Tuchwelle 2 aufgewickelt werden, muss der Laufwagen 6 aus der in Figur 2 (B) dargestellten Position in die in Figur 2 (A) dargestellte Position verfahren werden. Unterstützt durch die in der Schraubenfeder 16 der Ausgleichsvorrichtung gespeicherte Energie schiebt der Zahnriemen den Laufwagen 6 in Einfahrrichtung.If the curtain is to be retracted again from the opened position of the roller blind and thus wound onto the cloth shaft 2, the carriage 6 must be moved from the position shown in FIG. 2 (B) into the position shown in FIG. 2 (A). Supported by the energy stored in the coil spring 16 of the compensation device, the toothed belt pushes the carriage 6 in the retraction direction.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

Nr.No. Bezeichnungdescription Nr.No. Bezeichnungdescription 1.1. Rolloroller blind 21.21st -- 2.Second Tuchwellefabric roller 22.22nd Vertiefungenwells 3.Third Zahnriemenscheibentoothed pulleys 23.23rd -- 4.4th Zahnriementoothed belt 24.24th Kammerchamber 5.5th Führungsschieneguide rail 25.25th Kammerchamber 6.6th Laufwagencarriage 26.26th weitere Kammeranother chamber 7.7th StabRod 27.27th -- 8.8th. -- 28.28th Kanalchannel 9.9th Antriebswelledrive shaft 29.29th Längsschlitz (Kammer)Longitudinal slot (chamber) 10.10th -- 30.30th -- 11.11th -- 31.31st Längsschlitz (Kanal)Longitudinal slot (channel) 12.12th Gehäusecasing 32.32nd Befestigungsnutemounting groove 13.13th -- 33.33rd -- 14.14th -- 34.34th -- 15.15th -- 35.35th Konsolenconsoles 16.16th Schraubenfedercoil spring 3636 Wandwall 17.a,b17.a, b Enden (Schraubenfeder)Ends (coil spring) 37.37th Umlenkungredirection 18.a,b18.a, b Mitnehmertakeaway 38.38th Behangcurtain 19.a,b19.a, b Enden des ZahnriemensEnds of the toothed belt 39.39th -- 20.20th -- 40.40th -- 41. 42.41. 42. Vertiefungen (Mitnehmer)Recesses (driver) 43.43rd Vertiefungen (Antriebswelle)Recesses (drive shaft) 44.44th Vertiefungen (Tuchwelle)Depressions (cloth wave) 45.a,b45.a, b AufnahmenRecordings 46.46th Vorsprunghead Start

Claims (8)

  1. A roller blind
    - having a driven shaft (2) on which a continuous hanging (38), the free end of which is connected to a
    rod (7), is rolled and unrolled, forming a wound roll,
    - wherein the rod (7) is movable via at least one drive means (4), each of which is guided in a guide rail (5), which guide rail has chambers (24, 25) extending parallel to the guide for the drive means(4),
    - in which a drive wheel (3) is in positive locking engagement with each drive means (4) and is situated beside the wound roll and axially parallel to the shaft (2) thereof on one end of the guide rail (5),
    - and a compensator (16, 18a, 18b) for compensating the differences in length between the section of unwound hanging (38) and the distance travelled by the drive means (4) for the same angle of rotation of the shaft (2) and drive wheel (3), wherein the chambers (24, 25) of the guide rail (5) surround the drive means (4) on all sides,
    - a pulley (37) for the drive means (4) is situated on the end of the guide rail (5) opposite the drive wheel (3),
    - one of the ends (19b) of the drive means is connected to a carriage (6), which is guided in a channel (28) in the guide rail (5) located between the two chambers (24, 24), wherein the connection between the drive means (4) and the carriage (6) is provided by a longitudinal slot (29) between one of the chambers (25) and the channel (28) in the guide rail (5), and
    - the channel (28) has a further longitudinal slot (31) as a passthrough for the rod (7) that is connected to the carriage (6),
    characterised in that
    - each drive means (4) is configured as an open, toothed belt (4) with two ends (19 a,b)
    - a further chamber (26) is situated beside the chamber (25) that is furnished with the longitudinal slot (29) in order to guide the toothed belt (4),
    - the end (19 b) of the toothed belt that is connected to the carriage (6) is guided in the chamber (25) that is furnished with the longitudinal slot (29) and the opposite end (19 a) is guided in the other chamber (26), and
    - the carriage is connected to the end (19 b) of the toothed belt that is redirected at the end of the guide rail (5) opposite the toothed belt pulley (3).
  2. The roller blind as recited in claim 1, characterised in that the toothed belt (4) is surrounded in positive locking manner by a guiding profile in the area of each toothed belt pulley (3).
  3. The roller blind as recited in either of claims 1 or 2, characterised in that the compensating device consists of a torsion spring (16), particularly a helical spring, situated inside the hollow shaft (2), one end (17b) of the spring being fixed to the hollow shaft (2), and the other end (17a) thereof being fixed to an inner drive shaft (9) that is disposed concentrically with the hollow shaft and is connected in rotatable manner to the hollow shaft (2) and in non-rotating manner to each toothed belt pulley (3a, 3b).
  4. The roller blind as recited in claim 3, characterised in that a first and a second driving dog (18a, 18b) are connected to the hollow shaft (2) and the drive shaft (9) respectively and seat the ends (17a, 17b) of the torsion spring (16).
  5. The roller blind as recited in claim 4, characterised in that the driving dog (18a) that is connected to the drive shaft has a projection (46) that points in the axial direction of the drive shaft (9) and extends along the space between the helical spring (16) and the drive shaft (9).
  6. The roller blind as recited in claim 5, characterised in that the projection (46) is situated directly below the seating (45a) of the helical spring (16) in the driving dog (18a).
  7. The roller blind as recited in any of claims 1 to 6, characterised in that the toothed belt (4) is made from plastic, particularly polyamide.
  8. The roller blind as recited in any of claims 1 to 7, characterised in that the contour of the carriage (6) includes recesses (22), wherein the clearance of the recesses matches the clearance of the teeth on the toothed belt (4), and the teeth of the toothed belt (4) engage in the recesses (22) through the longitudinal slot (29) between the chamber (25) and the channel (28) in the guide rail (5).
EP03024819A 2003-01-09 2003-10-31 Roller blind Expired - Lifetime EP1437453B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10300426A DE10300426B4 (en) 2003-01-09 2003-01-09 roller blind
DE10300426 2003-01-09

Publications (3)

Publication Number Publication Date
EP1437453A2 EP1437453A2 (en) 2004-07-14
EP1437453A3 EP1437453A3 (en) 2005-01-19
EP1437453B1 true EP1437453B1 (en) 2006-11-29

Family

ID=32478175

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03024819A Expired - Lifetime EP1437453B1 (en) 2003-01-09 2003-10-31 Roller blind

Country Status (3)

Country Link
EP (1) EP1437453B1 (en)
AT (1) ATE346999T1 (en)
DE (2) DE10300426B4 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105952201A (en) * 2016-05-19 2016-09-21 周丐社 Livestock breeding site sunshade device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE502007006928D1 (en) 2006-09-27 2011-05-26 Bos Gmbh Manually operated window blind

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3546093A1 (en) * 1985-12-24 1987-07-02 Hassinger Gmbh Co Kg DRIVE DEVICE FOR MOVABLE FABRIC COVERS
DE3700745A1 (en) * 1987-01-13 1988-07-21 Warema Renkhoff Gmbh & Co Kg Folding net curtain (folding blind) for interior shading of in particular conservatories or the like
DE4419853C1 (en) * 1994-06-07 1995-09-21 Ulrich Johannes Hinderer Roller=shutter winding onto shaft
CH691916A5 (en) * 1997-01-15 2001-11-30 Nyffenegger Storenfabrik Ag Device with an adjustable body for protection against light and / or weathering and / or burglary and / or redirecting light.
DE19935729C2 (en) * 1999-07-29 2002-11-14 Poestges Sabine roller blind
DE19963862C2 (en) * 1999-12-30 2003-08-14 Mhz Sonnenschutztech Gmbh shading device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105952201A (en) * 2016-05-19 2016-09-21 周丐社 Livestock breeding site sunshade device

Also Published As

Publication number Publication date
EP1437453A3 (en) 2005-01-19
ATE346999T1 (en) 2006-12-15
DE50305831D1 (en) 2007-01-11
DE10300426B4 (en) 2006-10-05
DE10300426A1 (en) 2004-09-16
EP1437453A2 (en) 2004-07-14

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