EP2975207B1 - Verschattungsanlage mit verbesserten seilspannmitteln - Google Patents

Verschattungsanlage mit verbesserten seilspannmitteln Download PDF

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Publication number
EP2975207B1
EP2975207B1 EP15170309.7A EP15170309A EP2975207B1 EP 2975207 B1 EP2975207 B1 EP 2975207B1 EP 15170309 A EP15170309 A EP 15170309A EP 2975207 B1 EP2975207 B1 EP 2975207B1
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EP
European Patent Office
Prior art keywords
screening arrangement
base member
arrangement according
cord
operating element
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.)
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Application number
EP15170309.7A
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English (en)
French (fr)
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EP2975207A1 (de
Inventor
Lone Ejbaek Meyer
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VKR Holding AS
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VKR Holding AS
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Publication of EP2975207A1 publication Critical patent/EP2975207A1/de
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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
    • E06B9/326—Details of cords, e.g. buckles, drawing knobs
    • 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
    • E06B9/323—Structure or support of upper box
    • 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
    • E06B9/327—Guides for raisable lamellar blinds with horizontal lamellae

Definitions

  • the present invention relates to a screening arrangement for a window, in particular a roof window, having a supply condition and a condition of use, the screening arrangement defining, in the condition of use, a first longitudinal direction, and a second longitudinal direction, and a screening plane substantially parallel to a plane defined by the first and second directions, the screening arrangement comprising: at least one operating element extending in the first direction between a first end and a second end and being movable in the second direction, a screening body extending, in the condition of use, substantially in the screening plane between the two operating elements; at least one cord system including a number of cords routed along the at least one operating element and having a pre-defined total length, and at least one cord tightening device connected to the at least one operating element and providing a detour length.
  • the invention furthermore relates to a window frame comprising a screening arrangement.
  • Such screening arrangements including screening devices in the form of blinds are traditionally used for screening an aperture of a building structure, most often the light-admitting aperture of windows, but also of doors and other building openings.
  • the blinds are either installed to extend substantially vertically in a building façade, as in an obliquely positioned roof window installed in an inclined roof surface, or as a horizontally extending cover for openings in a horizontal surface.
  • the screening body is normally folded up and gathered at a top element, or, when the screening arrangement includes two movable operating elements, at arbitrary positions in the window aperture, i.e. the two operating elements are distanced from the top piece and the bottom piece
  • the screening arrangement includes a cord system for ensuring parallel guidance and/or holding of the operating element or elements in the desired positions. This can either be done by providing or cutting the cord to its precise length, which may be difficult, or by providing a tensioning or tightening device.
  • the screening body is made of a flexible cloth, and the weight of the screening body may be substantial as compared to other screening arrangements.
  • the tension of the cord is obtained by providing one or more detours of the cord, for instance shown in US 4,433,713 and US 4,557,309 , or a combination thereof, which sets out to alleviate some of the disadvantages mentioned in the above, for instance EP 1 783 318 A2 .
  • This document could constitute the closest prior art and provides a well-functioning tensioning.
  • each cord tightening device comprises a base member which is stationary relative to the respective operating element and a shifter member which is movable to a plurality of positions relative to the base member to adjust the tightening of the cord by changing the detour length while retaining the pre-defined total length, in that at least one cord is routed past at least one set of turning points on the base member and the shifter member, the distance between the turning points of said at least one set being variable as a result of the relative movement between the shifter member and the base member, and in that engagement means are provided for locking the shifter member in said plurality of positions.
  • a window frame comprising screening arrangement is provided as stated in claim 19.
  • Fig. 1 shows an embodiment of a screening arrangement 1 according to the invention mounted in a window frame generally designated 2 and representing a window.
  • window frame 2 is an openable sash adapted to be mounted in a stationary frame to be installed in an inclined roof surface.
  • sash or "frame” is to be understood as incorporating any substantially rectangular structure positioned in any opening in a building, whether in a wall or the roof, and surrounding an aperture to be screened.
  • the window frame 2 is substantially rectangular and has a top piece 21, two side pieces 22, 23 and a bottom piece 24.
  • Fig. 2 also shows some components of the screening arrangement 1 in one stage of the installation process, i.e. between a supply condition and a condition of use.
  • the screening arrangement defines, in the condition of use, a first longitudinal direction, and a second longitudinal direction, and a screening plane substantially parallel to a plane defined by the first and second directions.
  • the longitudinal direction of the top and bottom pieces 21, 24 corresponding to a width direction of the window frame is parallel to the first direction
  • the longitudinal direction of the side pieces 22, 23 corresponding to a height direction is parallel to the second direction.
  • left-hand and “right-hand” refer to the orientation shown in for instance Figs 1 and 2 , and are utilized for reasons of convenience only.
  • front and back are utilized to denote the sides of the screening arrangement 1, "front” being the side intended to face inwards into the interior of a building, and “back” the outwards facing side.
  • upper and lower refer to the orientation of the screening arrangement installed in a frame, where “upper” refers to the top piece of the frame and “lower” refers to the bottom piece of the frame.
  • the screening arrangement 1 is a Roman blind and the screening body (not shown) is made from a flexible cloth including a number of pockets with openings, each for reception of one transverse element of said plurality of transverse elements.
  • the screening arrangement 1 of the embodiment shown comprises two operating elements 71, 72 extending in the first direction and constituting an upper operating element 71 and a lower operating element 72.
  • the operating elements 71, 72 are adapted to act as handles in the condition of use, during operation of the screening arrangement 1, i.e. when moving the operating elements 71, 72 and hence the screening body between a non-screening position and a screening position, in which the screening body covers the sash or frame aperture partly or fully.
  • the operating elements 71, 72 are formed in any suitable manner, for instance as extruded profile elements of a suitable material such as aluminium.
  • the screening body extends, in the condition of use, substantially in the screening plane between the two operating elements 71, 72.
  • Two side rails 8, 9 are provided, each extending, in the condition of use, in the second direction, at the left-hand and the right-hand, respectively, of side piece 22, 23 of the window frame 2.
  • the side rails 8, 9 are formed by suitable means and materials, such as extruded profiles of aluminium and are connected to respective side pieces with fastening means such as screws and/or brackets to be described in further detail below.
  • the screening arrangement comprises a cord system comprising two cords 91, 92, one cord being adapted to extend from the left-hand lower corner of the sash, up through or along the operating elements 71, 72 and further up to the top piece 21 of the window frame 2.
  • the other cord is routed in a mirror-inverted manner.
  • FIG. 2 shows a transportation and mounting fitting 25 which acts as retaining means for the operating elements 71, 72 and the cord system in the supply condition, and also has a function during the mounting of the screening arrangement 1 in the window frame 2.
  • the transportation and mounting fitting 25 is connected to a mounting bracket 15 fastened to the side pieces 22, 23 of the window frame 2 to hold the operating elements 71, 72 in the correct position temporarily.
  • the mounting of the screening arrangement is the subject-matter of Applicant's co-pending application filed on the same date as the present application.
  • cord 91 is composed of two cord portions 91 a, 91 b having at one end a cord holder block 911 for connection to the upper right-hand corner of the frame and a cord holder block 912 for connection to the lower left-hand corner.
  • cord 92 is composed of two cord portions 92a, 92b having at one end a cord holder block 921 for connection to the lower right-hand corner of the frame and a cord holder block 922 for connection to the upper left-hand corner.
  • cord portions 91 a, 92a are routed along the upper operating element 71 and cord portions 91 b, 92b are routed along the lower operating element 72.
  • the term “along” is to be understood that the cords may pass through the operating element in question, or outside, for instance on the back side.
  • cords 91, 92 may be routed along at least the side pieces 22, 23 of the window frame and the operating elements 71, 72 as deemed suitable to ensure proper functioning. For instance, a so-called “H system” or “double H system” may be provided.
  • each cord is connected with a cord tightening device which will be described in further detail below.
  • the cord tigthening devices entail that the cords are held suitably tight all the time during use, thereby ensuring that the operating elements 71, 72 at all times are kept substantially in parallel with the top and bottom pieces of the window frame, and makes it possible to retain the operating elements 71, 72 in an arbitrary position measured in the second direction, i.e. along the side pieces 22, 23 of the window frame 2.
  • the screening arrangement of the embodiments shown comprise one screening device having two operating elements, other configurations are conceivable. For instance, there may be more than two operating elements. In principle, the invention is also applicable to screening arrangements comprising only one operating element.
  • Fig. 3 the back side of the upper left-hand corner of the window frame is shown to illustrate the interaction of a cord tightening device 4 with the side rail 8 in the condition of use in one embodiment of the invention.
  • FIG. 1 one embodiment of a screening arrangement incorporating a cord tightening device 4 which provides suitable tightening of the cords as described briefly in the above, will be described in detail.
  • the principles underlying the present invention are described below.
  • the cord tightening device 4 is of the kind providing a detour length.
  • the cord tightening devices 4 of the present embodiment are connected to the operating elements 71, 72 in the supply condition.
  • Each cord tightening device 4 comprises a base member 41 which is stationary relative to the respective operating element 71, 72 and a shifter member 42 which is movable to a plurality of positions relative to the base member 41 to adjust the tightening of the cord by changing the detour length while retaining the pre-defined total length,
  • Cords 91, 92 are routed past at least one set, here two sets, of turning points 411, 421; 412, 422 on the base member 41 and the shifter member 42.
  • the shifter member 42 By moving the shifter member 42 relative to the base member 41, the distance between the turning points is varied and the length of the detour is increased or decreased.
  • there are two sets of turning points viz. a first set of turning points 411, 421 and a second set of turning points 412, 422, but embodiments are conceivable having only one set of turning points.
  • engagement means 415, 425 provided for locking the shifter member 42 in the desired position are allowed to enter into mutual engagement.
  • each turning point is provided as a substantially L protrusion forming a cleat 411, 421; 412, 422 on the base member 41 and the shifter member 42, respectively.
  • T-shaped protrusions is conceivable
  • the base member 41 comprises a substantially plate-shaped main portion 410 with two end edges and two side edges, and one cleat 411 of the first set of turning points is provided at or near one end edge, and another cleat 412 of a second set of turning points is provided at or near the opposite end edge.
  • the shifter member 42 comprises a substantially plate-shaped main portion 420 with two end edges and two side edges, and one cleat 421 of a first set of turning points is provided at or near one end edge, and another cleat 422 of a second set of turning points is provided at or near the opposite end edge.
  • Each cleat 411, 421; 412, 422 is substantially L-shaped, with the openings 411 a, 412a of the cleats 411; 412 of the base member 41 and the openings 421a, 422a of the cleats 421; 422 of the shifter member 42 face away from each other in each of the sets.
  • the base member 41 and the shifter member 42 may be formed in any suitable manner, for instance as moulded parts of a suitable plastic material.
  • the locking is provided by positive engagement, i.e. formlocking engagement, which provides a more reliable engagement than for instance non-positive engagement such as for instance friction.
  • the engagement means comprise a first toothing 415 on the base member 41 adapted to cooperate with a corresponding second toothing 425 on the shifter member 42.
  • the first toothing 415 and/or the second toothing 425 are asymmetrical.
  • the shifter member 42 is provided with an adjustment fin 427 connected to the main portion 420 and protruding through a longitudinal adjustment slot 417 in the main portion 410 of the base member 41, the adjustment fin 427 being as here provided with an opening 427a surrounded by two flanges 427b to ease operation.
  • the adjustment fin 427 protrudes from the operating element 71 in that the operating element 71 is here formed with a track 71a which is open towards the back of the screening arrangement. This provides for an easy adjustment while at the same time being inconspicuous in the condition of use.
  • Guidance of the shifter member 42 relative to the base member 41 in the longitudinal direction is foreseen in that the shifter member 42 is provided with a longitudinal guide slot 424 for cooperation with a guide surface 414 at the first cleat 411.
  • the shifter member 42 is provided with a tail portion 426 adapted to be in contact with a shoulder portion 416 of the base member 41 in one end position of the shifter member 42 relative to the base member 41, the base member 41 being preferably provided with a stop surface 413 adapted to be in contact with one end edge 423 of the shifter member 42 in said one end position.
  • the base member 41 is provided with a multi-purpose end guide 418 at one end wall 419 of the base member 41 including a set of guide apertures 418a, 418b adapted to receive a corresponding cord 91, 92.
  • the cords 91, 92 are routed on either side of a dividing wall 408, but embodiments are conceivable where the cords are just routed out through a single aperture.
  • the screening arrangement includes two side rails 8, 9, each extending, in the condition of use, in the second direction, and the end guide 418 is shown also in Fig. 3 .
  • the guiding in the side rails takes place in that the end guide 418 further includes a guide track 418c adapted to cooperate with a corresponding track in the side rails 8, 9.
  • the cord tightening device 4 is preferentially already inserted into the respective operating element 71, 72.
  • each operating element is provided as a profile, for instance by extruded aluminium, with tracks for reception of the cord tightening devices
  • cord tightening devices 4 are introduced through the ends of the operating elements 71, 72.
  • the base member 41 and the shifter member 42 comprise means for sliding engagement with the operating element 71, 72.
  • the sliding engagement means may be provided on one of the base member 41 and the shifter member 42 only.
  • the sliding engagement means comprise a track portion 406 formed between the main portion 410 and a first raised platform 407 of the base member 41, preferably flush with a track portion formed between the main portion 420 and a stepped section 420a of the shifter member 42.
  • the end wall 419 forms a stop for the sliding movement, thus specifying the exact position of the end guide 418 cooperating with the side rails.
  • the sliding engagement means comprise in the embodiment a second raised platform 409 on the base member 41 and a resilient tongue 428 on the shifter member 42, preferably as here formed at the cleat member 422 of the second set of the shifter member 42.
  • each fitting 25 includes hook means 258, 259 for holding said cords 91, 92 temporarily, and optionally also for cord holder blocks 911, 912, 921, 922.
  • the hook means include two hook portions 258, 259 provided on the main portion 251 with hook openings facing each other.
  • the base member 41 may also be used alone without the shifter member 42 and then functions as an end member providing guidance in the side rails and ensures that smooth guidance of the cords 91, 92 is provided. This is the case in the present embodiment, in which one base member 41 is connected to each end of each operating element 71, 72 and one shifter member 42 is connected to one of the two base members 41 of each operating element 71, 72.
  • the pre-defined total length of the cords 91, 92 is defined by the dimensions of the window frame 2, i.e. width and height, to match for instance specific sizes within a size range. Tolerances in the window frame, cords etc. are compensated for by setting the cord tightening devices 4 in the proper position.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)

Claims (20)

  1. Abschirmungsanordnung (1) für ein Fenster, insbesondere ein Dachfenster, wobei die Abschirmungsanordnung einen Bereitstellungszustand und einen Verwendungszustand aufweist, wobei die Abschirmungsanordnung im Verwendungszustand eine erste Längsrichtung und eine zweite Längsrichtung und eine Abschirmungsfläche definiert, wobei die Abschirmungsfläche im Wesentlichen parallel zu einer Fläche, die durch die ersten und zweiten Richtungen definiert ist, verläuft, wobei die Abschirmungsanordnung aufweist:
    wenigstens ein Bedienelement (71, 72), das sich in der ersten Richtung zwischen einem ersten Ende und einem zweiten Ende erstreckt und in die zweite Richtung bewegbar ist,
    einen Abschirmkörper, der sich im Verwendungszustand im Wesentlichen in der Abschirmungsfläche erstreckt;
    wenigstens ein Schnursystem mit einer Anzahl von Schnüren (91, 92), die entlang des wenigstens einen Bedienelements (71, 72) geführt sind und eine vordefinierte Gesamtlänge aufweisen, und
    wenigstens eine Schnurspannvorrichtung (4), die mit dem wenigstens einen Bedienelement (71, 72) verbunden ist und eine Umleitungslänge bereitstellt,
    dadurch gekennzeichnet, dass
    jede Schnurspannvorrichtung (4) ein Basiselement (41) aufweist, das stationär ist in Bezug auf das entsprechende wenigstens eine Bedienelement (71, 72), und ein Schaltelement (42), das zu einer Anzahl von Positionen relativ zu dem Basiselement (41) bewegbar ist, um das Spannen der Schnur durch Ändern der Umleitungslänge einzustellen, während die vorbestimmte Gesamtlänge beibehalten wird,
    dass wenigstens eine Schnur (91, 92) an wenigstens einem Satz von Wendepunkten (411, 421; 412, 422) auf dem Basiselement (41) und dem Schaltelement (42) vorbeigeführt ist, wobei der Abstand zwischen den Wendepunkten des wenigstens einen Satzes infolge der Relativbewegung zwischen dem Schaltelement (42) und dem Basiselement (41) variabel ist, und
    dass Eingriffsmittel (415, 425) vorgesehen sind, um das Schaltelement (42) in der Anzahl von Positionen zu sperren.
  2. Abschirmungsanordnung nach Anspruch 1, wobei zwei Sätze von Wendepunkten (411, 421; 412, 422) vorgesehen sind.
  3. Abschirmungsanordnung nach Anspruch 1 oder 2, wobei jeder Wendepunkt als im Wesentlichen L-oder T-förmiger Vorsprung vorgesehen ist, der eine Klampe (411, 421; 412, 422) jeweils auf dem Basiselement (41) bzw. dem Schaltelement (42) ausbildet.
  4. Abschirmungsanordnung nach Anspruch 3, wobei das Basiselement (41) einen im Wesentlichen plattenförmigen Hauptabschnitt (410) mit zwei Endkanten und zwei Seitenkanten aufweist, und wobei eine Klampe (411) eines ersten Satzes von Wendepunkten an oder nahe einer Endkante vorgesehen ist, und eine weitere Klampe (412) eines zweiten Satzes von Wendepunkten an oder nahe der gegenüberliegenden Endkante vorgesehen ist.
  5. Abschirmungsanordnung nach Anspruch 3 oder 4, wobei das Schaltelement (42) einen im Wesentlichen plattenförmigen Hauptabschnitt (420) mit zwei Endkanten und zwei Seitenkanten aufweist, und wobei eine Klampe (421) eines ersten Satzes von Wendepunkten an oder nahe einer Endkante vorgesehen ist, und eine weitere Klampe (422) eines zweiten Satzes von Wendepunkten an oder nahe der gegenüberliegenden Endkante vorgesehen ist.
  6. Abschirmungsanordnung nach den Ansprüchen 4 und 5, wobei jede Klampe (411, 421; 412, 422) im Wesentlichen L-förmig ist, wobei die Öffnungen (411a, 412a) der Klampen (411; 412) des Basiselements (41) und die Öffnungen (421a, 422a) der Klampen (421; 422) des Schaltelements (42) in jedem der Sätze voneinander abgewandt sind.
  7. Abschirmungsanordnung nach einem der vorhergehenden Ansprüche, wobei die Eingriffsmittel eine erste Verzahnung (415) auf dem Basiselement (41) aufweisen, die dazu ausgebildet ist, mit einer entsprechenden zweiten Verzahnung (425) auf dem Schaltelement (42) zusammenzuwirken.
  8. Abschirmungsanordnung nach Anspruch 7, wobei die erste Verzahnung (415) und/oder die zweite Verzahnung (425) asymmetrisch ist/sind.
  9. Abschirmungsanordnung nach einem der Ansprüche 4 bis 8, wobei das Schaltelement (42) eine Einstellrippe (427) aufweist, die mit dem Hauptabschnitt (420) verbunden ist und durch einen länglichen Einstellschlitz (417) in dem Hauptabschnitt (410) des Basiselements (41) vorsteht, wobei die Einstellrippe (427) vorzugsweise mit einer Öffnung (427a) versehen ist, die von zwei Flanschen (427b) umgeben ist.
  10. Abschirmungsanordnung nach einem der Ansprüche 4 bis 9, wobei das Schaltelement (42) einen länglichen Führungsschlitz (424) zum Zusammenwirken mit einer Führungsoberfläche (414) an der ersten Klampe (411) aufweist.
  11. Abschirmungsanordnung nach einem der Ansprüche 4 bis 10, wobei das Schaltelement (42) einen Schwanzabschnitt (426) aufweist, der dazu angepasst ist, in Kontakt mit einem Schulterabschnitt (416) des Basiselements (41) in einer Endposition des Schaltelements (42) relativ zu dem Basiselement (41) zu treten, wobei das Basiselement (41) vorzugsweise eine Stoppfläche (413) aufweist, die dazu angepasst ist, in Kontakt mit einer Endkante (423) des Schaltelements (42) in der einen Endposition zu treten.
  12. Abschirmungsanordnung nach einem der Ansprüche 4 bis 11, wobei das Basiselement (41) eine multifunktionale Endführung (418) an einer Endwand (419) des Basiselements (41), einschließlich eines Satzes von Führungsöffnungen (418a, 418b), die dazu ausgebildet sind, eine entsprechende Schnur (91, 92) aufzunehmen, aufweist.
  13. Abschirmungsanordnung nach Anspruch 12, wobei die Abschirmungsanordnung zwei Seitenschienen (8, 9) aufweist, die sich im Verwendungszustand jeweils in die zweite Richtung erstrecken, und wobei die Endführung (418) weiter eine Führungsbahn (418c) aufweist, die dazu angepasst ist, mit einer entsprechenden Bahn in den Seitenschienen (8, 9) zusammenzuwirken.
  14. Abschirmungsanordnung nach einem der vorhergehenden Ansprüche, wobei das Basiselement (41) und/oder das Schaltelement (42) Mittel zum gleitenden Eingriff mit dem wenigstens einen Bedienelement (71, 72) aufweisen.
  15. Abschirmungsanordnung nach einem der Ansprüche 4 bis 13 und 14, wobei die gleitenden Eingriffsmittel einen Bahnabschnitt (406) aufweisen, der zwischen dem Hauptabschnitt (410) und einer ersten erhöhten Plattform (407) des Basiselements (41) ausgebildet ist, vorzugsweise fluchtend mit einem Bahnabschnitt, der zwischen dem Hauptabschnitt (420) und einem gestuften Abschnitt (420a) des Schaltelements (42) ausgebildet ist.
  16. Abschirmungsanordnung nach einem der Ansprüche 4 bis 13 und 14 oder 15, wobei die gleitenden Eingriffsmittel eine zweite erhöhte Plattform (409) auf dem Basiselement (41) und eine elastische Zunge (428) auf dem Schaltelement (42) aufweisen, vorzugsweise ausgebildet an dem Klampenteil (422) des zweiten Satzes des Schaltelementes (42).
  17. Abschirmungsanordnung nach einem der vorhergehenden Ansprüche, wobei wenigstens eine Armatur (25) im Bereitstellungszustand lösbar mit dem wenigstens einen Bedienelement (71, 72) verbunden ist, und wobei jede Armatur (25) Hakenmittel (258, 259) zum zeitweisen Halten der Schnüre (91, 92) und optional für Schnurhalteblöcke (911, 912, 921, 922) aufweist.
  18. Abschirmungsanordnung nach einem der vorhergehenden Ansprüche, wobei ein Basiselement (41) an jedes Ende des wenigstens einen Bedienelements (71, 72) angeschlossen ist, und wobei ein Schaltelement (42) mit einem der zwei Basiselemente (41) des entsprechenden Bedienelements (71, 72) verbunden ist.
  19. Fensterrahmen, aufweisend eine Abschirmungsanordnung nach einem der Ansprüche 1 bis 18, wobei der Fensterrahmen (2) ein oberes Teil (21), zwei Seitenteile (22, 23) und ein unteres Teil (24) aufweist, und wobei die Längsrichtung der oberen und unteren Teile (21, 24) einer Breitenrichtung des Fensterrahmens entspricht und parallel zu der ersten Richtung liegt, und wobei die Längsrichtung der Seitenteile (22, 23) einer Höhenrichtung entspricht und parallel zu der zweiten Richtung liegt, und wobei die vordefinierte Gesamtlänge durch die Abmessungen des Fensterrahmens definiert ist.
  20. Fensterrahmen nach Anspruch 19, wobei die Abschirmungsanordnung zwei Bedienelemente aufweist, die ein oberes Bedienelement (71) und ein unteres Bedienelement (72) bilden, und wobei jede Schnur (91, 92) aus zwei Schnurabschnitten (91a, 91b, 92a, 92b) besteht, die an einem Ende einen Schnurhalteblock (911, 922) zur Verbindung zur oberen rechten bzw. linken Ecke des Fensterrahmens aufweisen, und einen Schnurhalteblock (912, 921) zur Verbindung zur unteren linken bzw. rechten Ecke, wobei ein Satz von Schnurabschnitten (91a, 92a) durch das obere Bedienelement (71) geführt ist und ein anderer Satz von Schnurabschnitten (91b, 92b) durch das untere Bedienelement (72) geführt ist.
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DE102005052895B4 (de) * 2005-11-03 2010-07-15 Vkr Holding A/S Schnurspanner zum Spannen von Schnüren an Verschattungsanlagen
DE102011053648A1 (de) * 2011-09-15 2013-03-21 Achim Lienert Schnurspanner zum Spannen einer Schnur an Beschattungsanlagen

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