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EP2094931B1 - Abschirmungsvorrichtung - Google Patents

Abschirmungsvorrichtung Download PDF

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Publication number
EP2094931B1
EP2094931B1 EP06818184.1A EP06818184A EP2094931B1 EP 2094931 B1 EP2094931 B1 EP 2094931B1 EP 06818184 A EP06818184 A EP 06818184A EP 2094931 B1 EP2094931 B1 EP 2094931B1
Authority
EP
European Patent Office
Prior art keywords
cord
cord thread
thread portion
screening device
winding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP06818184.1A
Other languages
English (en)
French (fr)
Other versions
EP2094931A1 (de
Inventor
Martin Armand Mortensen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VKR Holding AS
Original Assignee
VKR Holding AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by VKR Holding AS filed Critical VKR Holding AS
Priority to PL06818184T priority Critical patent/PL2094931T3/pl
Publication of EP2094931A1 publication Critical patent/EP2094931A1/de
Application granted granted Critical
Publication of EP2094931B1 publication Critical patent/EP2094931B1/de
Active legal-status Critical Current
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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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives
    • 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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • 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
    • E06B9/62—Counterweighting arrangements
    • 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
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive

Definitions

  • the present invention relates to a screening device with a winding reel for a cord guidance system for the screening of a window according to the introductory part of claim 1.
  • Winding reels for screening devices are known in the art and are used in screening devices of the type comprising a screening body which is movable in a longitudinal direction of a window parallel to the plane of the window between a first end position in which it occupies a rolled-up, pleated or folded position at one of the top and bottom frame or sash members of the window and a second, active end position in which, for the screening of the window, it is extended between said top and bottom frame or sash members.
  • the movement of the screening body from the first to the second end position is obtained by a cord guidance comprising typically two cords, each at one end being connected to a winding reel fixed to a roller at one of said top and bottom frame or sash members, and at the other end being connected to a bottom bar attached to the a terminal end of the screening body, the cords being spring-loaded at these ends.
  • a cord guidance comprising typically two cords, each at one end being connected to a winding reel fixed to a roller at one of said top and bottom frame or sash members, and at the other end being connected to a bottom bar attached to the a terminal end of the screening body, the cords being spring-loaded at these ends.
  • the cords are guided in guide rails past respective pulleys at the top or bottom frame or sash member of the window opposite from the roller.
  • screening devices are described in e.g. WO 02/06621 A1 , EP-B1-0 804 674 and DK 174 398 B1 .
  • Such screening devices are known in many forms and comprise, for example, roller shutters, where the screening body in the non-screening position is rolled-up on the roller.
  • the winding reels are usually located in a top box at the ends of the roller, the winding reels being fixed to the roller such that the winding reels and the roller move with similar rotational speeds during winding of the cords. It is crucial for proper operation of the screening device that the cords be tensioned to a suitable degree in all positions of the screening device.
  • each cord on the respective winding reel is normally obtained by winding of the cord in several cord layers on the winding reel, the cord oscillating from one side of the winding reel to the other during the winding operation.
  • the screening body is in the form of a number of interconnected shutter slats positioned in continuation of each other, these slats typically having a thickness much greater than the diameter of the cord. This may also be the case, although to a lesser extent, with other types of screening devices such as awning blinds and roller blinds. Therefore, the diameter of the rolled up screening body varies as it is wound on and off the roller.
  • the winding reels are typically provided with a diameter smaller than or corresponding to the diameter of the roller, the diameter of the winding reels thus being much smaller than that of a completely wound up screening body.
  • spring means e.g. in the form of helical springs
  • the spring means are typically provided in the bottom bar connected to the screening body, varying amounts of the cords having been taken up in the bottom bar dependent on the position of the screening body.
  • roller shutter slats typically have a thickness of about 6 mm or more. In a window of normal size provided with such a roller shutter it is thus necessary to take up about 300 mm of cord or more. Equally large amounts of space must therefore be available in the bottom bar, the provision of which most often being very hard to come by.
  • one or more windings of an upper cord layer may suddenly fall down between the windings of a lower cord layer, resulting in the forming of knots and a more difficult winding of the cord, and/or a disturbing, loud noise that may be perceived, by the user, as a malfunction of the screening device.
  • the winding reels are often offset inwards with respect to the guiding of the cords at the sides of the window sash.
  • the width of the winding reel thus determines the greatest possible width of a screening body that may be used with the current window. The cause of this is the position of the winding reel in the top box of the screening device, occupying part of the roller.
  • the offset of the winding reels makes it difficult and often impossible to provide a screening body wide enough to completely cover the aperture of the window. In many cases, e.g. in the case of a blackout curtain, such an inadequate screening is a significant drawback.
  • the guide rails at the sides of the window must be provided with an equivalent width so that the part of the cord running along the side of the window is able to move from one end of the winding reel to the other.
  • the guide rails will often project over the window aperture, decreasing the view through the window and, particularly in the case of outside mounting of the screening device, providing the window with an unpleasant appearance.
  • the width of the guide rails may be reduced by providing a guiding device in the form of an auxiliary reel at the winding reel. This, however, complicates and raises the production costs of the screening device.
  • a screening device as defined in the introductory part comprises the further features according to the characterizing part of claim 1.
  • first, helical cord thread portion and a second, circular cord thread portion of each winding reel provides for a winding reel, which offers an optimal solution regarding screening bodies of larger thicknesses, such as roller shutters.
  • the provision of the second, circular cord thread portion makes it possible to provide the winding reel with a limited width because, on this portion, the cord is wound up in several layers in a single cord width. Alleviating said space problems, this makes it possible for two adjoining windows to be installed in close proximity of each other, both being equipped with screening devices comprising winding reels according to the invention.
  • the first, helical cord thread portion to a large extent alleviates the need for taking up large cord lengths in the bottom bar of the screening device.
  • employing a first cord thread portion with three cord rotations and a second cord thread portion also with three cord rotations reduces the cord length to be taken up in the bottom bar from about 300 mm or more to about 40 to 50 mm.
  • Such smaller cord lengths may easily be taken up in a conventional bottom bar.
  • a controlled, tight winding of the cord on the winding reel may thus readily be provided by means of suitable spring means such that proper operation of a screening device employing the winding reel according to the invention is ensured at all times.
  • employing the winding reel according to the invention it is no longer possible for one cord section to fall from an upper layer to a lower layer with the concomitant noise and operation problems.
  • the depth of the cord thread may vary over the circumference of the winding reel.
  • said winding reel is configured such that said cord is allowed, in a first part of said winding operation, to be wound up on said first cord thread portion and, in a second, subsequent part of said winding operation, to be guided from said first cord thread portion to said second cord thread portion to be wound up in at least two layers in said depth on said latter portion.
  • said first portion extends at least two complete rotations, preferably at least three rotations, about said axis of the winding reel.
  • said second cord thread portion has a circumference which is smaller than the smallest circumference of said first cord thread portion.
  • said first cord thread portion has a depth corresponding to at least three times the diameter of said cord, said cord being allowed, in said first part of said winding operation, to be wound up in at least three layers in said depth on said second cord thread portion.
  • said first cord thread portion substantially has the configuration of a conical helix.
  • said radial depth of said second cord thread portion corresponds to at least about 1.6 x the diameter of said cord.
  • the winding reel is connected to a cap, said cap having a form and position such that an outer contour of said cap follows an outer contour of said cord thread in order to ensure that said cord does not exit from said cord thread of said winding reel.
  • the screening device comprises at least two winding reels according to any of the above embodiments. More preferably, said winding reels are configured such that the respective second cord thread portions of said winding reels face each other.
  • the screening device according to the invention is a roller shutter.
  • Fig. 1 is a perspective view of a screening device according to the invention provided with a first embodiment of two winding reels 1a, 1b according to the first aspect of the invention.
  • the screening device shown is an external roller shutter, which is shown mounted on the external face of a window 30.
  • the screening device comprises a screening body 2 with a number of interconnected shutter slats 2a which in one end are connected to a roller 3 via a connecting rubber member 2b (cf. Fig. 2 ), the roller 3 constituting a reception means for the screening body and mounted in a top casing 4 indicated by dashed lines and positioned at the top frame member of the window.
  • the opposite free/terminal end of the screening body 2 is connected to a hollow bottom bar 5.
  • the screening body 2 is movable in a longitudinal direction of the window 30 parallel to the plane of the window 30 between a first end position in which it occupies a rolled-up, pleated or folded position at a top frame or sash member of the window 30 and a second, active end position in which, for the screening of the window 30, it is extended between top and bottom frame or sash members, substantially covering a window aperture 6 of the window 30.
  • the screening device is in a position between the end positions, having almost reached the second end position.
  • the screening device further comprises a side guide rail (not shown) positioned at each side of the window, the guide rails in a mounted position being connected to side members of the sash structure of the window 30.
  • the side guide rails accommodate and guide the ends of the bottom bar 5 and the edges of the screening body 2.
  • the bottom bar 5 For movement of the bottom bar 5 and the end of the screening body 2 connected to the bottom bar 5 from a first end position in which the bottom bar 5 is positioned at or in the top casing 4 such that the window is not screened by the screening body 2, to a second end position in which the bottom bar 5 is positioned at a bottom frame or sash member of the window, the bottom bar 5 is connected to a cord guidance comprising two cords 8 and 9 which are led each in their respective side guide rail.
  • Fig. 2 shows the winding reel 1a of Fig. 1 in more detail and in vertical cross-section, the winding reel 1b being of a similar configuration, but being provided mirror-inverted at the opposite end of the bottom bar 5.
  • the winding reel 1a is shown in the form of a solid element; it may, however, comprise one or more cavities, e.g. with the purpose of saving materials and lowering the weight.
  • the screening body In the position of the screening device shown in Fig. 2 the screening body is in the second end position.
  • a reel house 15 located at one end of the top casing 4 encloses the winding reel 1a.
  • the cord 8 is at one end secured to the winding reel 1a, which in the shown design is placed on the left end of the roller 3.
  • a cord guidance means (not shown), e.g. in the form of a curved panel, may be provided for guiding the cords 8, 9 out of and into the reel house 15.
  • the winding reels 1a and 1b may be coupled to an electric drive unit in the form of an electric motor (not shown) with an associated transmission such that the displacement of the bottom bar 5 from the first to the second end position is effected by electric operation of a keyboard designed for this purpose, perhaps a remote control.
  • the electric motor may, for example, be in the form of a small motor device located inside the roller 3, the roller being provided, for example, as a hollow tubular member.
  • each cord 8, 9 is through the associated side guide rail led around a cord return element in the form of pulleys 17, 18 placed at the bottom frame or sash member of the window 30 and into opposite ends of the hollow bottom bar 5, where the free cord ends are each connected to one end of a screw compression spring 19, 20 (i.e. the ends of the springs 19, 20 which are facing each other), the other end of said springs 19, 20 being connected to the bottom bar 5.
  • a screw compression spring 19, 20 i.e. the ends of the springs 19, 20 which are facing each other
  • the winding reel 1a comprises a cord thread 7 with a width corresponding substantially to the diameter of the cord 8.
  • the cord thread 7 comprises a first cord thread portion 7a with the configuration of an ascending, conical helix such that each of three rotations of the first cord thread portion 7a has a different circumference, said circumference descending in the direction of a second cord thread portion 7b.
  • the second cord thread portion 7b is of a circular configuration and is provided in axial continuation of the first cord thread portion 7a.
  • the circumference of the second cord thread portion 7b is smaller than the smallest circumference of the first cord thread portion 7a.
  • the second cord thread portion 7b has a radial depth corresponding to about three times the diameter of the cord 8.
  • the cord 8 is fastened to the winding reel 1a at one end 22 of the winding reel 1a.
  • the movement of the screening body 2 from the first to the second end position is obtained by means of the cord guidance via rotation of the roller 3 and, thereby, the winding reels 1a, 1b.
  • the cords 8, 9 are completely wound off of the winding reels 1a, 1b.
  • the cords 8, 9 are at one end secured to their respective winding reel 1a, 1b, e.g. by means of a clip snapped over the surface of each winding reel 1a, 1b facing the roller 3.
  • the cords 8, 9 are wound up on the winding reels 1a, 1b, starting on the largest circumference of the first cord thread portion 7a and moving towards the second cord thread portion 7b.
  • the first cord thread portion 7a of each winding reel 1a, 1b has been provided with a descending circumference corresponding to the descending diameter of the rolled up screening body 2 on the roller 3 such that during the first part of the winding operation no elasticity of the cords 8, 9 is necessary to ensure proper function of the screening device.
  • no spring deformation of the screw compression springs 19, 20 is performed.
  • the diameter of the wound up cords 8, 9 increases as the cords 8, 9 are wound up on the winding reels 1a, 1b. This does not correspond to the descending diameter of the screening body 2 rolled up on the roller 3 and, as a consequence, the helical springs 19, 20 are compressed during this phase.
  • each cord 8, 9 is, as a consequence, kept tightly extended.
  • the combination of the conically helical first cord thread part 7a and the circular second cord thread part 7b with an enlarged depth thus, surprisingly, provides for an advantageous screening device with a relatively small width of the winding reel and a reduced need for taking up cord in the bottom bar 5 during operation of the screening device. At the same time a reliable and smooth winding up of a screening body of the screening device is provided.
  • Rolling up the screening device is carried out by reversing the described process, the cords 8, 9 first being wound off of the second cord thread portion 7b and subsequently being wound off from the first cord thread portion 7a.
  • Fig. 3 shows a second, more concrete embodiment of a winding reel 1a to be used in the invention, the winding reel being drawn to scale and being for use in a roller shutter.
  • Figs 4 and 5 show the winding reel of Fig. 3 mounted on a screening device. Elements of Figs. 3 , 4 and 5 have been given the same reference numerals as corresponding elements of Figs 1 and 2 .
  • the second embodiment of the winding reel 1a of Figs. 3 , 4 and 5 has a configuration very similar to the winding reel 1a of Fig. 2 . Only differences between the two embodiments will be described in the following.
  • the winding reel 1a comprises a number of cavities 21, the purpose of which is to lessen the weight of the winding reel 1a and to save material during manufacture.
  • a reel house 15 encloses the winding reel 1a and comprises a cord guidance means 16 in the form of a curved panel for guiding the cords 8 out of and into the reel house 15.
  • a side rail for accommodating the cord 8 and an end of a bottom bar 5 is also shown.
  • the diameter of the largest circumference of the first cord thread part 7a is approximately 90 mm, and the smallest circumference of the first cord thread part 7a is approximately 70 mm, both measurements being taken at the bottom of the threads.
  • the equivalent value (i.e. the diameter) of the second cord thread part 7b is approximately 55 mm at the bottom.
  • the cords 8, 9 used have a diameter of about 20 mm.
  • the depth of the second cord thread part is 5-6 times the diameter of the cords, providing for a buffer of 2-3 rotations of cord.
  • winding reels 1a, 1b and the cords 8, 9 are suitable for a roller shutter with a roller slat thickness of about 6 mm. Since approximately two rotations of the helix of the first cord thread part 7a have been saved applying the winding reel 1a according to the second embodiment, the total width of each winding reel 1a, 1b has been reduced from about 23 mm to about 15 mm compared to a similar prior art helical winding reel, i.e. with about 1/3 of the total width. The advantages of such a reduction of the width of the winding reels have been explained in the above.
  • the winding reels 1a, 1b may, along with the associated electric drive unit, be arranged in a bottom casing at the bottom frame or sash member of the window.
  • the movement of the screening body 2 in the opposite direction may be effected by impact from the roller by a constant force, e.g. a spring force, or electrically by means of a separate rewinding motor.
  • first cord thread portion 7a may be descending in the direction opposite from the embodiments shown.
  • the second cord thread portion 7b may, in principle, be positioned at either side of the first cord thread portion 7a, the winding up of the cords 8, 9 starting at either one of the thread portions 7a, 7b.
  • Figs 6 and 7 show a third embodiment of a winding reel 1a to be used in the invention.
  • Fig. 6 also shows a cap 40 and a reel house 15.
  • Elements of Figs. 6 and 7 have been given the same reference numerals as corresponding elements of Figs 1 to 5 .
  • Fig. 7 shows a cross sectional view of the winding reel 1a of Fig. 6 put together or connected with the cap 40.
  • the cap 40 has a form and position such that an outer contour 41 of the cap follows an outer contour 42 of the cord thread 7 in order to ensure that the cord (not shown in the Figs 6 and 7 ) does not exit from the cord thread 7 of the winding reel 1a.
  • a small part 7c of the winding thread 7 of the winding reel 1a at the bottom of the thread revolution intended to face the screening device (the right thread revolution) in this embodiment does not descent in the general cone shape of the substantially helical cord thread 7. Instead it has a more linear configuration.
  • the purpose of this configuration of the cord thread part 7a is to make room for a bearing component in the inner part of the winding reel 1a.
  • the outer contour 42 of the partition walls of the cord thread 7 does not accurately follow the conically ascending bottom part of the cord thread 7. Instead it consists of a conical part (the two left revolutions of the cord thread 7 in Fig. 7 ) and a horizontal part (the two right revolutions of the cord thread 7 in Fig. 7 ).
  • the outer, inwards facing contour 41 of the cap 40 has a form corresponding to the outer contour 42 of the winding reel 1a, i.e. the contour 41 also has a conical part and a horizontal part. Thereby, the cord (not shown) is prevented from exiting the cord thread 7 during winding of the cord.
  • the general configurations of the cord thread portions 7a are those of ascending conical helixes, i.e. the diameter of the cord thread 7 ascends continuously in these portions 7a.
  • the skilled person may think of other configurations falling within the scope of the present invention. These include the “diameter” being constant for each revolution (i.e. circular revolutions) such that a transitional cord thread section would provide the transition between each two revolutions.
  • the “diameter” can even vary locally on each revolution, which might be advantageous for certain kinds of screening devices.
  • the second cord thread part 7b takes up a total of three rotations of the cords 8, 9, which has proven to be optimal.
  • a minimum of two rotations would provide the described advantages over the prior art.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Claims (12)

  1. Abschirmungsvorrichtung für die Abschirmung eines Fensters (30), aufweisend
    einen Abschirmungskörper (2), der in einer Längsrichtung des Fensters (30) parallel zu der Ebene des Fensters (30) zwischen einer ersten Endposition, in der er eine aufgerollte, in Falten gelegte oder gefaltete Position an einem von den oberen und unteren Rahmen- oder Flügelbauteilen des Fensters (30) einnimmt und einer zweiten, aktiven Endposition, in der er sich zur Abschirmung des Fensters (30) zwischen den oberen und unteren Rahmen- oder Flügelbauteilen erstreckt, bewegbar ist,
    wobei die Bewegung des Abschirmungskörpers (2) von der ersten zur zweiten Endposition durch eine Schnurführung erzielt wird, die wenigstens eine Schnur (8, 9) aufweist, die an einem Ende mit einer Wickelspule (1a, 1b) an einem von den Rahmen- oder Flügelbauteilen verbunden ist, und die am anderen Ende mit einem unteren Stab (5) oder ähnlichem verbunden ist, wobei die wenigstens eine Schnur (8, 9) an ihrem anderen Ende federbelastet ist,
    wobei die Schnur (8, 9) der Schnurführung dazu angepasst ist, bei einer Wickelbedienung um eine Achse der Wickelspule (1a, 1b) aufgewickelt zu werden, wobei die Wickelspule (1a, 1b) eine radiale Richtung normal zur Achse aufweist,
    wobei die Wickelspule (1a, 1b) ein Schnurgewinde (7) mit einer Weite aufweist, die in einer Richtung der Achse im Wesentlichen dem Durchmesser der Schnur entspricht,
    wobei das Schnurgewinde (7) einen ersten Schnurgewindeabschnitt (7a) aufweist, der im Wesentlichen die Konfiguration einer aufsteigenden Helix aufweist, so dass der erste Schnurgewindeabschnitt (7a) bei jeder Umdrehung einen anderen Umfang aufweist,
    dadurch gekennzeichnet, dass
    das Schnurgewinde (7) ferner einen zweiten Schnurgewindeabschnitt (7b) von im Wesentlichen kreisförmiger Konfiguration aufweist, wobei der zweite Schnurgewindeabschnitt (7b) in einer axialen Verlängerung des ersten Schnurgewindeabschnitts (7a) vorgesehen ist und eine Schnurgewindetiefe derart in der radialen Richtung aufweist, dass er in der Lage ist, wenigstens zwei Windungen der Schnur (8, 9) aufzunehmen,
    wobei die Abschirmungsvorrichtung derart angeordnet ist, dass der zweite Schnurgewindeabschnitt (7b) wenigstens zwei Windungen der Schnur (8, 9) aufnimmt, wenn die Schnur (8, 9) auf der Wickelspule (1a, 1b) aufgewickelt ist.
  2. Abschirmungsvorrichtung nach Anspruch 1, wobei der zweite Schnurgewindeabschnitt (7b) eine Schnurgewindetiefe in der radialen Richtung aufweist, die wenigstens dreimal der Weite des Schnurgewindes (7) entspricht, womit es einer Schnur (8, 9) mit einem Durchmesser, der im Wesentlichen einem Durchmesser des Schnurgewindes (7) entspricht, ermöglicht ist, in wenigstens drei Schichten in dieser Tiefe auf dem zweiten Schnurgewindeabschnitt (7b) aufgewickelt zu werden.
  3. Abschirmungsvorrichtung nach Anspruch 1 oder 2, wobei die Wickelspule so konfiguriert ist, dass es der Schnur gestattet ist, in einem ersten Teil des Wickelvorgangs auf dem ersten Schnurgewindeabschnitt aufgewickelt zu werden und in einem zweiten, nachfolgenden Teil des Wickelvorgangs von dem ersten Schnurgewindeabschnitt zu dem zweiten Schnurgewindeabschnitt geführt zu werden, um in wenigstens drei Schichten in der Tiefe auf dem zweiten Schnurgewindeabschnitts aufgewickelt zu werden.
  4. Abschirmungsvorrichtung nach einem der Ansprüche 1 bis 3, wobei sich der erste Abschnitt um wenigstens zwei vollständige Umdrehungen, vorzugsweise um wenigstens drei Umdrehungen, um die Achse der Wickelspule erstreckt.
  5. Abschirmungsvorrichtung nach einem der Ansprüche 1 bis 4, wobei der zweite Schnurgewindeabschnitt einen Umfang aufweist, der kleiner ist als der kleinste Umfang des ersten Schnurgewindeabschnitts.
  6. Abschirmungsvorrichtung nach einem der Ansprüche 1 bis 5, wobei der erste Schnurgewindeabschnitt im Wesentlichen die Konfiguration einer kegelförmigen Helix aufweist.
  7. Abschirmungsvorrichtung nach einem der Ansprüche 1 bis 6, ferner aufweisend eine Führungsvorrichtung zum Bereitstellen der Führung der Schnur vom zweiten Schnurgewindeabschnitt zum ersten Schnurgewindeabschnitt.
  8. Abschirmungsvorrichtung nach einem der Ansprüche 1 bis 7, verbunden mit einer Kappe, wobei die Kappe derart geformt und positioniert ist, dass eine äußere Kontur der Kappe einer äußeren Kontur des Schnurgewindes folgt, um sicherzustellen, dass die Schnur das Schnurgewinde der Wickelspule nicht verlässt.
  9. Abschirmungsvorrichtung nach einem der Ansprüche 1 bis 8, aufweisend wenigstens eine andere Wickelspule mit den gleichen Merkmalen.
  10. Abschirmungsvorrichtung nach Anspruch 9, wobei die Wickelspulen derart konfiguriert sind, dass die entsprechenden zweiten Schnurgewindeabschnitte der Wickelspulen einander zugewandt sind.
  11. Abschirmungsvorrichtung nach einem der vorhergehenden Ansprüche, wobei die Abschirmungsvorrichtung ein Rollladen ist.
  12. Abschirmungsvorrichtung nach einem der vorhergehenden Ansprüche, wobei die radiale Tiefe des zweiten Schnurgewindeabschnitts wenigstens ungefähr dem 1,6-fachen des Durchmessers der Schnur entspricht.
EP06818184.1A 2006-12-22 2006-12-22 Abschirmungsvorrichtung Active EP2094931B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06818184T PL2094931T3 (pl) 2006-12-22 2006-12-22 Urządzenie zasłaniające

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DK2006/050082 WO2008077400A1 (en) 2006-12-22 2006-12-22 A winding reel and a screening device

Publications (2)

Publication Number Publication Date
EP2094931A1 EP2094931A1 (de) 2009-09-02
EP2094931B1 true EP2094931B1 (de) 2018-06-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06818184.1A Active EP2094931B1 (de) 2006-12-22 2006-12-22 Abschirmungsvorrichtung

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EP (1) EP2094931B1 (de)
PL (1) PL2094931T3 (de)
WO (1) WO2008077400A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4006295A1 (de) * 2020-11-27 2022-06-01 VKR Holding A/S Abschirmvorrichtung für ein dachfenster und dachfenster mit einer solchen abschirmvorrichtung

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Publication number Priority date Publication date Assignee Title
DE102019106826B4 (de) * 2019-03-18 2022-04-28 Hbpo Gmbh Vorrichtung zum Steuern und Führen eines Verschlusselementes

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WO2007053045A1 (en) * 2005-10-31 2007-05-10 Fakro Pp Spolka Z O.O. Electrical connection for a roof window

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FR710652A (fr) * 1931-02-06 1931-08-27 Système de poulie, destinée à supprimer les ressorts pour l'enroulement des volets roulants
GB1224647A (en) * 1968-06-05 1971-03-10 Doxford & Sunderland Ltd Improvements in or relating to winch drums
DE2303782A1 (de) * 1973-02-26 1974-08-01 Guenter Kindervater Rollo mit auf- und abwickelbarem vorhang
CA1157766A (en) * 1981-09-24 1983-11-29 Walter Timoschuk Wire drum for door
DE3902496A1 (de) 1989-01-27 1990-08-09 Hoermann Kg Antrieb Steuertec Trommel fuer die aufnahme eines seiles
DK171579B1 (da) 1995-01-18 1997-01-27 Rasmussen Kann Ind As Endestopmekanisme til en elektrisk drevet vinduesafskærmningsindretning
DK174398B1 (da) 1999-01-13 2003-02-03 Vkr Holding As Vinduesafskærmningsindretning med snorføring
JP3332356B2 (ja) * 1999-05-28 2002-10-07 有限会社アルテックスイマイデザイン 建物その他の物品の開口部の開閉装置
US6938666B1 (en) 2000-07-13 2005-09-06 Vkr Holding A/S Screening arrangement
GB2369146A (en) 2000-09-23 2002-05-22 Hart Door Systems Ltd Roller door tensioning system
US6805314B2 (en) * 2001-03-27 2004-10-19 Michael B. Hopper Tool support

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WO2007053045A1 (en) * 2005-10-31 2007-05-10 Fakro Pp Spolka Z O.O. Electrical connection for a roof window

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4006295A1 (de) * 2020-11-27 2022-06-01 VKR Holding A/S Abschirmvorrichtung für ein dachfenster und dachfenster mit einer solchen abschirmvorrichtung

Also Published As

Publication number Publication date
PL2094931T3 (pl) 2018-12-31
EP2094931A1 (de) 2009-09-02
WO2008077400A1 (en) 2008-07-03

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