EP1437453A2 - Roller blind - Google Patents

Roller blind Download PDF

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Publication number
EP1437453A2
EP1437453A2 EP03024819A EP03024819A EP1437453A2 EP 1437453 A2 EP1437453 A2 EP 1437453A2 EP 03024819 A EP03024819 A EP 03024819A EP 03024819 A EP03024819 A EP 03024819A EP 1437453 A2 EP1437453 A2 EP 1437453A2
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EP
European Patent Office
Prior art keywords
toothed belt
shaft
guide rail
roller blind
drive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03024819A
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German (de)
French (fr)
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EP1437453A3 (en
EP1437453B1 (en
Inventor
Karl-Heinz Pöstges
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Postges Sabine
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Postges Sabine
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Publication date
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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 the one end, with at its free end curtain connected to a rod to form a wrap - or is processed, the rod by means of at least a drive means guided in a respective guide rail is movable, the parallel chambers for Guide of the drive means, in which in each Drive means positively engages a drive wheel that next to the winding axially parallel to its shaft at one end the guide rail is arranged, and one Compensating device for compensating the differences in length between the distance of the curtain and the distance covered Distance of the drive means at the same angle of rotation of shaft and drive wheel, the chambers of Guide rail surround the drive means on all sides end of the guide rail opposite the drive wheel a deflection for the drive means is arranged, one the ends of the drive means connected to a carriage is in a located between the two chambers Channel of the guide rail is guided, the connection between drive means and carriage by one Longitudinal slot between one of the chambers and the channel of the Guide rail takes place, as well as the channel
  • Comparable blinds are known from the prior art and are used especially when due to the A safe unwinding of the curtain along the guide rails solely due to the arrangement at its end Rods, also known as downpipes or downpipes, are not guaranteed is. This can be the case with shading, for example only slightly from horizontal or horizontal sloping roof surfaces, for example a winter garden, be the case.
  • DE 35 46 093 9 A1 further discloses a drive device for movable fabric covers with the drive shaft on both sides attached washers for the drawstring attached to the Dowel attached to the curtain and over one to the extreme End of the guide rails arranged pulley pulled is.
  • the profile of the guide rails has a closed one Guide chamber for the drawstring.
  • the Links of the push link belt on their end faces contact surfaces on the stable position of the following link enable.
  • the links of the push link belt are pivotable connected with each other.
  • a flexible Strand for example a steel cable, like a String of pearls lined up.
  • the pusher belt is guided in a guide.
  • the compensation device can in the form of a push link belt preloaded spring to be integrated between the one End of the pusher belt and the protruding beyond this end End of the strand is arranged. Is problematic the complex and therefore expensive manufacture and assembly of the pusher belt, especially from the manufacture the special push links and the line-up of the push links result on a flexible strand.
  • roller blind is known from DE 197 07 607 A1, the lower end of which is in a guide rail guided toothed belt is movable in parallel trending chambers is guided.
  • the invention is based on this prior art the task of creating a blind that the aforementioned Does not have disadvantages, in particular Has weight advantages, easier assembly of the drive means and is more reliable.
  • toothed belt also brings weight advantages a simpler assembly with itself, because of that Length practically unchanged under pressure and tensile stress.
  • the usual plastic profiles in the chambers the guide rails are no longer required.
  • the arrangement of the further, third chamber in the guide rail simplifies the assembly of the timing belt, because whose end opposite the carriage after the Deflection on the toothed belt pulley not on the carriage can initiate, but performed separately in the other chamber becomes. At the same time, the operational safety of the Blinds improved.
  • toothed belt pulleys are basically in the area of the deflection prevent the timing belt from sliding sideways, has proven to be advantageous in practice, if the toothed belt is also in the area of each toothed belt pulley especially form-fitting from a guide profile is surrounded, which is particularly space-saving and inexpensive as an integral part of a housing for the Drive of the blind can be configured.
  • the compensating device from an im Inside the hollow shaft arranged torsion spring, in particular a coil spring, which has one end the hollow shaft and the other end concentric on one to the hollow shaft arranged inner drive shaft attached, which is rotatable and relative to the hollow shaft is rotatably connected to each toothed belt pulley.
  • the inner, extending completely through the outer hollow shaft Drive shaft connects the two next to the winding arranged toothed belt pulleys, so that only one drive is required for both toothed belt pulleys.
  • the torsion spring can be attached to the two shafts first with the hollow shaft and a second with the drive shaft connected, in particular hollow cylindrical driver be provided, which receives the ends of the torsion spring.
  • the drop rod can wave to the ends of the guide rails be brought up.
  • the driver connected to the drive shaft points in one Embodiment of the invention in the axial direction of the drive shaft pointing projection that is in the gap extends between the coil spring and the drive shaft.
  • the projection prevents the coil spring from moving under load on the drive shaft and this damaged.
  • the protrusion is preferably immediately below the inclusion of the coil spring arranged in the driver.
  • the roller blind designated as a whole consists essentially of 1 from a driven cloth shaft 2, arranged on the sides Drive wheels in the form of toothed belt pulleys 3 ( Figure 2) positively engage in a toothed belt 4, and Guide rails 5 for guiding the toothed belt 4 and one sliding carriage 6.
  • the curtain 38 is on the one hand with the cloth shaft 2 and on the other hand with a cross bar 7 connected, which in turn engages in the carriage 6.
  • the toothed belt pulleys 3 are non-rotatable with a concentric to the cloth shaft 2 arranged drive shaft 9 connected.
  • the roller shutter motor is in a manner known per se connected to the drive shaft.
  • the cloth shaft 2 rotatable relative to the drive shaft 9 supports itself over drivers 18a, b, which are located at the outer ends of the annulus between the cloth and drive shaft (2.9).
  • the drivers 18a, 18b are designed as sleeves with groove-shaped, longitudinal recesses 41 and 42 respectively educated.
  • the sleeve shown in Figure 4 (A) engages their depressions 41 into corresponding depressions 43 the drive shaft 9, while in the recesses 42 of the in Figure 4b shown sleeve corresponding recesses 44 of the cloth 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 an unwanted Place the spiral spring 16 on the drive shaft 9.
  • the toothed belt 4 is in chambers 24, 25, 26 of the guide rail 5 forced.
  • Figure 5 it can be seen how the Chambers 24, 25 and 26 the toothed belt, not shown, on all sides surround.
  • the carriage 6 In the direction of the recesses 22 of the carriage 6 has the Chamber 25 one over its entire path of movement Longitudinal slot 29 through which the teeth of the toothed belt in the Engage recesses 22 of the carriage 6.
  • the carriage 6 itself is located in one between the chambers 24, 25 Channel 28 of the guide rail 5 guided, the channel 28 in A longitudinal slot 31 in the direction of the curtain 38 (cf. also FIG 1), through which the crossbar with the Carriage is connected.
  • the fastening groove 32 which can also be seen in FIG. 5, takes for example, screws that the guide rails 5 with Connect brackets 35 (see Figure 1) for wall mounting.
  • the carriage 6 must be of the type shown in FIG. 2 (B) Position in the position shown in Figure 2 (A) be moved. Supported by the in the coil spring 16 of the balancing device pushes the energy Toothed belt the carriage 6 in the direction of entry.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (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 the one end, with at its free end curtain connected to a rod to form a wrap - or is processed, the rod by means of at least a drive means guided in a respective guide rail is movable, the parallel chambers for Guide of the drive means, in which in each Drive means positively engages a drive wheel that next to the winding axially parallel to its shaft at one end the guide rail is arranged, and one Compensating device for compensating the differences in length between the distance of the curtain and the distance covered Distance of the drive means at the same angle of rotation of shaft and drive wheel, the chambers of Guide rail surround the drive means on all sides end of the guide rail opposite the drive wheel a deflection for the drive means is arranged, one the ends of the drive means connected to a carriage is in a located between the two chambers Channel of the guide rail is guided, the connection between drive means and carriage by one Longitudinal slot between one of the chambers and the channel of the Guide rail takes place, as well as the channel another Longitudinal slot as a passage for the one with the carriage connected rod.

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 especially when due to the A safe unwinding of the curtain along the guide rails solely due to the arrangement at its end Rods, also known as downpipes or downpipes, are not guaranteed is. This can be the case with shading, for example only slightly from horizontal or horizontal sloping roof surfaces, for example a winter garden, be 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.With such blinds it is necessary that on the drop bar additional forces work. For this purpose, so-called Back-pull systems become known. With these systems the curtain is attached by means of two pull ropes attached to the drop bar attack, pulled off the wrap. The two pull ropes are therefore on one next to the ends of the wrap on the Shaft arranged coil with a winding sense of the curtain opposite sense wound up and along the path that the drop rod can travel, led to a deflection device and from there back to the drop stick. The effort for that Guiding the pulling ropes is relatively large.

Weiter offenbart die DE 35 46 093 9 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.DE 35 46 093 9 A1 further discloses a drive device for movable fabric covers with the drive shaft on both sides attached washers for the drawstring attached to the Dowel attached to the curtain and over one to the extreme End of the guide rails arranged pulley pulled is. The profile of the guide rails has a closed one 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.To reduce the effort involved in guiding the pull cables and nevertheless relatively large forces both in pull and in To be able to transfer the direction of pressure to the drop rod strikes DE 44 19 853 C1 before a generic blind, in which as a drive means a pusher belt instead of the known Pull ropes are 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.To achieve a certain stiffness, the Links of the push link belt on their end faces contact surfaces on the stable position of the following link enable. So that the thrust link belt drives the drive gear loop around or a curved course of the curtain can follow, the links of the push link belt are pivotable connected with each other. For this they are on a flexible Strand, for example a steel cable, like a String of pearls lined up. As a rule, it is necessary that the pusher belt is guided in a guide. For this are guide rails with an E-shaped cross section Formation of two adjacent chambers provided which are open to the other guide rail. The compensation device can in the form of a push link belt preloaded spring to be integrated between the one End of the pusher belt and the protruding beyond this end End of the strand is arranged. Is problematic the complex and therefore expensive manufacture and assembly of the pusher belt, especially from the manufacture the special push links and the line-up of the push links result 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.To assemble and assemble the drive means simplify, and those occurring in the area of gears Avoiding drive problems is described in DE 199 35 729 C2 proposed a generic blind, in which the drive means is a link chain. The use of a commercially available Link chain simplifies assembly of the drive means and at the same time solves the drive technology Gear problems. As a link acts between the standard chain and the rod Rack profile guided separately in a channel. The problematic transmission of the pressure forces by means of a The link chain is created by the specially designed link chain Guide rail leading in two separate chambers in connection with the deflection for the link chain avoided between the two chambers. Because of the chain guide occur in the link chain when unrolling the curtain only pulling 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 insert provides the roller blind according to DE 199 35 729 C2 has high requirements at its attachment. In addition there are link chains quite expensive. When assembling the link chain the axial play of the individual links must be taken into account, because the chain is subject to both tension and pressure becomes. For the pressure load it is necessary that the link chain on all sides of the chambers is surrounded in the guide rail with plastic profiles are lined.

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 in a guide rail guided toothed belt is movable in parallel trending chambers is guided.

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.The invention is based on this prior art the task of creating a blind that the aforementioned Does not have disadvantages, in particular Has weight advantages, easier assembly of the drive means 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 blind of the type mentioned in that
  • each drive means is designed as an open toothed belt having two ends a, b),
  • in addition to the chamber having the longitudinal slot, a further chamber for guiding the toothed belt is arranged,
  • the end of the toothed belt connected to the carriage is guided in the chamber having the longitudinal slot and the opposite end is guided in the further chamber and
  • the carriage is connected to the end of the toothed belt which is deflected at the end of the guide rail opposite the toothed belt pulley.

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 toothed belt also brings weight advantages a simpler assembly with itself, because of that Length practically unchanged under pressure and tensile stress. The usual plastic profiles in the chambers the guide rails are no longer required. When unwinding of the curtain against the spring force of the compensating device only tensile forces are exerted on the toothed belt transfer.

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 further, third chamber in the guide rail simplifies the assembly of the timing belt, because whose end opposite the carriage after the Deflection on the toothed belt pulley not on the carriage can initiate, but performed separately in the other chamber becomes. At the same time, the operational safety of the Blinds 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 toothed belt pulleys are basically in the area of the deflection prevent the timing belt from sliding sideways, has proven to be advantageous in practice, if the toothed belt is also in the area of each toothed belt pulley especially form-fitting from a guide profile is surrounded, which is particularly space-saving and inexpensive as an integral part of a housing for the Drive of the blind 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 proposed that the compensating device from an im Inside the hollow shaft arranged torsion spring, in particular a coil spring, which has one end the hollow shaft and the other end concentric on one to the hollow shaft arranged inner drive shaft attached, which is rotatable and relative to the hollow shaft is rotatably connected to each toothed belt pulley. The inner, extending completely through the outer hollow shaft Drive shaft connects the two next to the winding arranged toothed belt pulleys, so that only one drive is required for both toothed belt pulleys. to The torsion spring can be attached to the two shafts first with the hollow shaft and a second with the drive shaft connected, in particular hollow cylindrical driver be provided, which receives the ends of the torsion spring. In connection with the compensation device in the The drop rod can wave to the ends of the guide rails be brought up.

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.The driver connected to the drive shaft points in one Embodiment of the invention in the axial direction of the drive shaft pointing projection that is in the gap extends between the coil spring and the drive shaft. The projection prevents the coil spring from moving under load on the drive shaft and this damaged. The protrusion is preferably immediately below the inclusion of the coil spring arranged in the driver.

Nachfolgend wird die Erfindung anhand eines Ausführungsbeispieles des näheren erläutert.The invention is described below using an exemplary embodiment explained in more detail.

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:
Figure 1
2 shows a schematic side view of a roller blind according to the invention,
Figure 2 (a), (b)
a schematic representation of the guidance of the toothed belt of the blind,
Figure 3
a longitudinal section through the fabric shaft of the blind,
Figure 4 (a), (b)
Cross sections through the fabric shaft according to Figure 3 each in the area of the driver and
Figure 5
a cross section through the guide rail of the 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 roller blind designated as a whole consists essentially of 1 from a driven cloth shaft 2, arranged on the sides Drive wheels in the form of toothed belt pulleys 3 (Figure 2) positively engage in a toothed belt 4, and Guide rails 5 for guiding the toothed belt 4 and one sliding carriage 6. The curtain 38 is on the one hand with the cloth shaft 2 and on the other hand with a cross bar 7 connected, 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-rotatable with a concentric to the cloth shaft 2 arranged drive shaft 9 connected. The Support toothed belt pulleys 3 and thus the drive shaft 9 over bearings, not shown, on the housing 12 of the blind 1 from. The roller shutter motor is in a manner known per se connected to 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 cloth shaft 2 rotatable relative to the drive shaft 9 supports itself over drivers 18a, b, which are located at the outer ends of the annulus between the cloth and drive shaft (2.9). The drivers 18a, 18b are designed as sleeves with groove-shaped, longitudinal recesses 41 and 42 respectively educated. The sleeve shown in Figure 4 (A) engages their depressions 41 into corresponding depressions 43 the drive shaft 9, while in the recesses 42 of the in Figure 4b shown sleeve corresponding recesses 44 of the cloth 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 an unwanted Place the spiral 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.Located in the annular space between the cloth shaft 2 and the drive shaft 9 the coil spring 16, the rectilinear Ends 17a, 17b in the hollow cylindrical, in the axial direction extending spring receptacles 45a, 45b of the cylindrical sleeves stuck.

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 in chambers 24, 25, 26 of the guide rail 5 forced. In Figure 5 it can be seen how the Chambers 24, 25 and 26 the toothed belt, not shown, on all sides surround.

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 recesses 22 of the carriage 6 has the Chamber 25 one over its entire path of movement Longitudinal slot 29 through which the teeth of the toothed belt in the Engage recesses 22 of the carriage 6. The carriage 6 itself is located in one between the chambers 24, 25 Channel 28 of the guide rail 5 guided, the channel 28 in A longitudinal slot 31 in the direction of the curtain 38 (cf. also FIG 1), through which the crossbar with the Carriage is connected.

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 also be seen in FIG. 5, takes For example, screws that the guide rails 5 with Connect brackets 35 (see Figure 1) for wall mounting.

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 blind, the roller shutter motor is started, the drive shaft 9, the cloth shaft 2 and the Timing belt pulleys 3 set in rotation. As a result, moved the timing belt with the carriage 6 from the figure 2 (A) shown position away from the toothed belt pulleys 3, in Direction of a lower deflection 37 for the toothed belt 4. Due to the leadership of the. Shown in Figures 2 (A, B) Timing belt 4 through the channel 25 via the deflection 37 in the Channel 24 to the toothed belt pulley 3 occur when the Only hang up tensile forces in the toothed belt. As soon as the carriage 6 slightly in the direction of the deflection 37 has moved, the free end 19 a slides into the further chamber 26 of the guide rail 5, which is parallel and immediately adjacent the chamber 25 is arranged.

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.The diameter increases when the curtain is unwound or wound up the winding on the cloth shaft 2 from or to. Hence takes also the distance of the unwound curtain per revolution of Cloth shaft 2 from or to. The feed of the carriage 6 per revolution the drive shaft 9 remains constant. To this as the winding diameter decreases, the difference in length increases to compensate, the coil spring 16 between Cloth shaft 2 and drive shaft 9 arranged. In the starting position according to Figure 2 (A), the coil spring 16 is dead and becomes increasingly tense during unwinding, so that in the fully extended position of the curtain Figure 2 (B) the maximum tension in the cloth. This Fabric tension effectively supports the retraction of the curtain and reduces the height of those to be transmitted via the toothed belt Thrusts.

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 should come out of the open position of the blind again retracted and thus wound onto the fabric shaft 2, the carriage 6 must be of the type shown in FIG. 2 (B) Position in the position shown in Figure 2 (A) be moved. Supported by the in the coil spring 16 of the balancing device pushes the energy Toothed belt the carriage 6 in the direction of entry.

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 timing belt 39.39th -- 20.20th -- 40.40th -- 41. 42.41, 42 Vertiefungen (Mitnehmer)Recesses (driver) 43.43rd Vertiefungen (Antriebswelle)Indentations (drive shaft) 44.44th Vertiefungen (Tuchwelle)Depressions (cloth wave) 45.a,b45.a, b AufnahmenRecordings 46.46th Vorsprunghead Start

Claims (8)

Rollo mit einer angetriebenen Welle (2) auf der ein durchgehender, an seinem freien Ende mit einem Stab (7) verbundener Behang (38) unter Bildung eines Wickels auf - bzw. abgewickelt wird, wobei der Stab (7) mittels mindestens einem in jeweils einer Führungsschiene (5) geführten Antriebsmittel(4) bewegbar ist, die parallel verlaufende Kammern (24, 25) zur Führung des Antriebsmittels (4) aufweist, bei dem in jedes Antriebsmittel (4) formschlüssig ein Antriebsrad (3) eingreift, das neben dem Wickel achsparallel zu dessen Welle (2) an einem Ende der Führungsschiene (5) angeordnet ist, sowie einer Ausgleichsvorrichtung (16, 18a, 18b), zum Ausgleichen der Längenunterschiede zwischen der Strecke abgewickelten Behanges (38) und der zurückgelegten Strecke des Antriebsmittels (4) bei gleichem Drehwinkel von Welle (2) und Antriebsrad (3), wobei die Kammern (24,25) der Führungsschiene (5) das Antriebsmittel (4) allseitig umgeben, an dem dem Antriebsrad (3) gegenüberliegenden Ende der Führungsschiene (5) eine Umlenkung (37) für das Antriebsmittel (4) angeordnet ist, eines der Enden (19b) des Antriebsmittels mit einem Laufwagen (6) verbunden ist, der in einem zwischen den beiden Kammern (24,25) befindlichen Kanal (28) der Führungsschiene (5) geführt ist, wobei die Verbindung zwischen Antriebsmittel (4) und Laufwagen (6) durch einen Längsschlitz (29) zwischen einer der Kammern (25) und dem Kanal (28) der Führungsschiene (5) erfolgt, sowie der Kanal (28) einen weiteren Längsschlitz (31) als Durchgang für den mit dem Laufwagen (6) verbundenen Stab (7) aufweist, dadurch gekennzeichnet, dass jedes Antriebsmittel (4) als geöffneter, zwei Enden (19 a,b) aufweisender Zahnriemen (4) ausgebildet ist, neben der den Längsschlitz (29) aufweisenden Kammer (25) eine weitere Kammer (26) zur Führung des Zahnriemens (4) angeordnet ist, das mit dem Laufwagen (6) verbundene Ende (19 b) des Zahnriemens in der den Längsschlitz (29) aufweisenden Kammer (25) und das entgegengesetzte Ende (19 a) in der weiteren Kammer (25) geführt sind und der Laufwagen mit dem Ende (19 b) des Zahnriemens verbunden ist, das an dem der Zahnriemenscheibe (3) gegenüberliegenden Ende der Führungsschiene (5) umgelenkt wird. roller blind with a driven shaft (2) on which a continuous curtain (38) connected at its free end to a rod (7) is wound up or unwound to form a coil, the rod (7) being movable by means of at least one drive means (4) guided in a respective guide rail (5), which has parallel chambers (24, 25) for guiding the drive means (4), in which a drive wheel (3) engages in a form-fitting manner in each drive means (4), which is arranged next to the winding axially parallel to its shaft (2) at one end of the guide rail (5), as well as a compensating device (16, 18a, 18b) for compensating for the length differences between the path (38) and the distance traveled by the drive means (4) with 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 deflection (37) for the drive means (4) is arranged 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) of the guide rail (5) located between the two chambers (24, 25), the connection between drive means (4) and carriage (6) through a longitudinal slot (29) between one of the chambers (25) and the channel (28) of the guide rail (5), and the channel (28) has a further longitudinal slot (31) as a passage for the rod (7) connected to the carriage (6), characterized in that each drive means (4) is designed as an open toothed belt (4) having two ends (19 a, b), In addition to the chamber (25) with the longitudinal slot (29), a further chamber (26) for guiding the toothed belt (4) is arranged, the end (19 b) of the toothed belt connected to the carriage (6) in the chamber (25) having the longitudinal slot (29) and the opposite end (19 a) in the further chamber (25) and the carriage is connected to the end (19 b) of the toothed belt which is deflected at the end of the guide rail (5) opposite the toothed belt pulley (3). Rollo nach Anspruch 1, dadurch gekennzeichnet, dass der Zahnriemen (4) im Bereich jeder Zahnriemenscheibe (3) formschlüssig von einem Führungsprofil umgeben ist.Roller blind according to claim 1, characterized in that the toothed belt (4) in the area of each toothed belt pulley (3) is positively surrounded by a guide profile. Rollo nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Ausgleichsvorrichtung aus einer im Inneren der hohlen Welle (2) angeordneten Torsionsfeder (16), insbesondere einer Schraubenfeder, besteht, die mit einem Ende (17b) an der hohlen Welle (2) und mit dem anderen Ende (17a) an einer konzentrisch zu der hohlen Welle angeordneten inneren Antriebswelle (9) befestigt ist, die relativ zu der hohlen Welle (2) drehbar und mit jeder Zahnriemenscheibe (3a, 3b) drehfest verbunden ist. Roller blind according to one of claims 1 or 2, characterized in that the compensating device consists of a torsion spring (16) arranged in the interior of the hollow shaft (2), in particular a helical spring, which has one end (17b) on the hollow shaft (2 ) and with the other end (17a) to an inner drive shaft (9) which is arranged concentrically to the hollow shaft and which is rotatable relative to the hollow shaft (2) and non-rotatably connected to each toothed belt pulley (3a, 3b). Rollo nach Anspruch 3, dadurch gekennzeichnet, dass ein erster mit der hohlen Welle (2) und ein zweiter mit der Antriebswelle (9) verbundener Mitnehmer (18a, 18b) die Enden (17a, 17b) der Torsionsfeder (16) aufnimmt.Roller blind according to claim 3, characterized in that a first driver (18a, 18b) connected to the hollow shaft (2) and a second to the drive shaft (9) receives the ends (17a, 17b) of the torsion spring (16). Rollo nach Anspruch 4, dadurch gekennzeichnet, dass der mit der Antriebswelle verbundene Mitnehmer (18a) einen in Achsrichtung der Antriebswelle (9) weisenden Vorsprung (46) aufweist, der sich in den Zwischenraum zwischen der Spiralfeder (16) und der Antriebswelle (9) erstreckt.Roller blind according to claim 4, characterized in that the driver (18a) connected to the drive shaft has a projection (46) pointing in the axial direction of the drive shaft (9), which extends into the space between the spiral spring (16) and the drive shaft (9) extends. Rollo nach Anspruch 5, dadurch gekennzeichnet, dass der Vorsprung (46) unmittelbar unterhalb der Aufnahme (45a) der Spiralfeder (16) in dem Mitnehmer (18a) angeordnet ist.Roller blind according to claim 5, characterized in that the projection (46) is arranged directly below the receptacle (45a) of the spiral spring (16) in the driver (18a). Rollo nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der Zahnriemen (4) aus Kunststoff, insbesondere Polyamid, besteht.Roller blind according to one of claims 1 to 6, characterized in that the toothed belt (4) consists of plastic, in particular polyamide. Rollo nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Laufwagen (6) ein Vertiefungen (22) aufweisendes Profil aufweist, wobei der Abstand der Vertiefungen dem Abstand der Zähne des Zahnriemens (4) entspricht, und die Zähne des Zahnriemens (4) durch den Längsschlitz (29) zwischen der Kammer (25) und dem Kanal (28) der Führungsschiene (5) in die Vertiefungen (22) eingreifen.Roller blind according to one of claims 1 to 7, characterized in that the carriage (6) has a recess (22) having a profile, the distance between the recesses corresponding to the distance between the teeth of 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) of the guide rail (5).
EP03024819A 2003-01-09 2003-10-31 Roller blind Expired - Lifetime EP1437453B1 (en)

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DE10300426A DE10300426B4 (en) 2003-01-09 2003-01-09 roller blind

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CN105952201A (en) * 2016-05-19 2016-09-21 周丐社 Livestock breeding site sunshade device

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DE3546093A1 (en) 1985-12-24 1987-07-02 Hassinger Gmbh Co Kg DRIVE DEVICE FOR MOVABLE FABRIC COVERS
DE4419853C1 (en) 1994-06-07 1995-09-21 Ulrich Johannes Hinderer Roller=shutter winding onto shaft
DE19707607A1 (en) 1997-01-15 1998-07-16 Nyffenegger Storenfabrik Und M Adjustable shield, especially blind or shutter, with two guides and two transmission elements
DE19935729C2 (en) 1999-07-29 2002-11-14 Poestges Sabine roller blind

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DE10300426A1 (en) 2004-09-16
DE10300426B4 (en) 2006-10-05
ATE346999T1 (en) 2006-12-15
EP1437453A3 (en) 2005-01-19
EP1437453B1 (en) 2006-11-29

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