EP0861040B1 - Curtain, in particular a curtain to be gathered - Google Patents

Abstract

PCT No. PCT/EP96/02984 Sec. 371 Date Mar. 14, 1997 Sec. 102(e) Date Mar. 14, 1997 PCT Filed Jul. 8, 1996 PCT Pub. No. WO97/17876 PCT Pub. Date May 22, 1997In order that the tensile forces caused by the weight of the curtain do not act upon the adhesive closing tape employed for the affixation of the curtain fabric to a mounting track rigidly connected with the building, but are instead conducted into the anchoring system on the building, a curtain, more particularly a window shade, is provided with guiding and deflecting elements for the drawing cords fitted to the curtain fabric, in which the curtain fabric carrying attachment plates (20) with rings or eyes (21) is affixed with the aid of an adhesive closing tape (40) of a fleece tape (41) and a Velcro fastener tape (141) to a mounting track (10) rigidly connected with the building constructed in such a way that the attachment plates (20) for the establishment of a frictional, operative connection with the mounting track (10) are connected by means of detachable supporting and connecting elements (30) that absorb vertical tensile forces, while the attachment plates (20) and the mounting track (10) are provided with the parts (41,141) forming the adhesive closing tape (40) (FIG.1).

Description

field of use

The invention relates to a curtain, in particular roman blind, with guide and Deflection elements for the pull cords, the mounting plates curtain fabric with rings or eyelets with an adhesive tape on one with the building firmly connected mounting rail is attached.

State of the art

DE-A-37 14 105 has a roman blind on the curtain fabric attached guide and deflection elements for the Drawstrings known, in which each deflecting element from one there is a fastening plate connected to the curtain fabric, which preferably in one piece with one hanging from it Guide eye is firmly connected. That the mounting plate curtain material carrying the eyelet is attached to the by means of a textile adhesive tape fixed to the building rail. The curtain is thus on the mounting rail by means of a Adhesive fastener tape, which consists of a fleece tape and a Velcro is attached. The mounting plates with the eyelets for the pull cords are at one Part - Velcro or Velcro - of the adhesive tape attached, which in turn with the other part in Adhesive bond is brought that to the mounting rail is attached. This design is but only applicable to lightweight curtain fabrics.

When using heavy curtain fabrics affects the tensile force due to the high weight on the adhesive connection with the consequence that the strong train the Velcro tape from the Velcro tape of the adhesive tape solves.

Task, solution, advantage

The object of the present invention is in a Curtain of the type mentioned an attachment also using an adhesive tape for to create heavy curtain fabrics where the through the tensile forces caused by the curtain do not affect the Adhesive tape act, but in the fastening system be directed to the building.

This object is characterized by those in claim 1 Features resolved.

Thereafter, the invention is that the mounting plates for establishing a positive connection with the mounting rail attached to the building Detachable support and connecting elements that absorb vertical tensile forces are connected.

These support and connecting elements consist of one attached or molded to each mounting plate, horizontal web and from one on the mounting rail trained, extending in the longitudinal direction of the mounting rail Engagement groove for the mounting plate webs. By engaging the webs of the mounting plates in the engagement groove on the mounting rail becomes a force-fit Connection created and the otherwise on the adhesive tape tensile forces acting on the load and Fasteners passed into the mounting rail and thus taken up by the building wall on which the mounting rail is attached. This way it becomes an unintended one Loosening of the adhesive tape avoided the tensile forces caused by the curtain weight are not more in the fastener tape. It is thus no more tensile load on the adhesive tape given.

Advantageous embodiments of the invention are in the Subclaims marked.

The configuration of the is particularly advantageous here Mounting rail, which has a web-like cross-sectional profile, that from a first U-profile with horizontal Thighs and a connecting them with a first section over the lower leg also extended web, the upper horizontal Leg with a section over the leg connecting web is led out and the free ends of the legs have mutually facing, angled sections, and a second, parallel to the first section trending, at the free end of the lower leg of the first U-profile formed section, wherein the first section at its free end is a U-shaped, the engagement groove for the mounting plate webs forming third section with the outward facing Has mounting plate web engagement opening, and the third, on both sides of the first web section elongated section and the free lower end of the second Section forming an opening to each other has facing sections, which in the mounting rail trained openings for receiving the fastening device for the winding shaft for the curtain fabric and for the fastening device of the mounting rail serve on a building wall.

Another embodiment of the invention consists in that each deflecting element from one with the curtain fabric even firmly attached or detachable mounting plate exists, which in turn with one hanging from it Guide eye firmly connected and with this in one piece is made, with a two-part design is possible.

The invention further relates to a curtain, in particular consisting of one on a wall or the ceiling of a Attachable mounting rail with a space this curtain fastened with its upper edge and with several, in the longitudinal direction of the mounting rail extending groove-shaped guides for receiving at least two coil housings or brackets with each a transverse to the mounting rail longitudinal direction, a winding shaft carrying a chain wheel on one side and one with the sprockets of the take-up shafts connected endless, with a Drive connected and at one end of the mounting rail deflected operating chain and for recording the chain dreams of the service chain, the winding shafts that can be operated via the operating chain serve to wind up pull cords with your one end on the take-up shafts and with their other Ends attached to the bottom edge of the curtain as well as between the top edge of the curtain guided on this distributed guide loops are.

This curtain is made according to a first embodiment at least two on the underside of the mounting rail first bobbin case with winding shafts and sprockets for those attached to the bottom edge of the curtain Pull cords arranged to gather and unwind the curtain, the sprockets of the winding shafts of the first coil housing on one of the two long sides of the Fixing rail lie and with a first, endless Operating chain with in guides of the mounting rail guided chain runs are operatively connected. The leadership this first chain of operation is such that this with an operating chain section parallel to the vertical Longitudinal edge of the curtain runs. Furthermore is on the underside of the mounting rail second bobbin case with a take-up shaft and one Sprocket for one on the bottom edge of the curtain attached pull cord for fan-like gathering of the curtain arranged. The sprocket of the take-up shaft this second coil housing is on the sprockets of the winding shafts of the first bobbin case Long side of the mounting rail. The sprocket of the Winding shaft of the second bobbin case stands with one second, endless chain of operation with in guides of Fastening rail guided chain runs in operative connection. The arrangement and management of this second fastening chain is such that it has an operating chain section, which is parallel to the vertical longitudinal edge of the The curtain runs on that side of the curtain comes to rest, on which the service chain section the first operating chain runs so that a Operation of the curtain over on one side of the curtain horizontal chain sections. The first The operating chain is used to gather and unload the curtain, while by means of the second chain of operation the curtain is operated so that a fan-like gathering of the curtain is possible, with a reversal the fan-like direction of movement of the operating chain The curtain can be lifted.

According to the further embodiment of the invention, the Roman blind in roughly the same design and arrangement as described above, however two service chains with their service chain sections guided such that the one operating chain section on one side of the curtain and the other Service chain section on the other side of the curtain comes to rest, so that the operation of the operating chains on two different sides of the curtain is to be made.

Because the bobbin case with the winding shafts and the sprockets are of the same design, the coil housing sometimes on the left side and sometimes on the right side to the bottom the mounting rail to be put where in the guide / bracket provided in the guide rail are held by means of a clamp so that both loosening as well as moving the coil housing on the mounting rail is possible. The arrangement of the coil housing on the mounting rail, however, is such that in the set position the bobbin case on the mounting rail at the same time locked against shifting to prevent that when the sprockets of the winding shafts are actuated the coil housing by means of the operating chains the bobbin case on the mounting rail automatically move.

The ability to gather and unravel a curtain on the one hand to be able to and on the other hand the same curtain to gather also like a fan is achieved by the fact that the ones intended for the raising and unlocking of the curtain Coil housing arranged on the mounting rail in this way are that the sprockets of the winding shafts of all this coil housing on a long side of the mounting rail lie. Those responsible for fan-like gathering and intended coil housing are then like this arranged that the sprockets of the winding shafts for the corresponding chain hoist on the other long side the mounting rail so that the two, the Operating chains operating sprockets parallel to the two long sides of the mounting rail. The two control chains are arranged in this way possible that the chain dreams of each service chain overlap and at the end of the mounting rail be redirected accordingly, but also according to a further embodiment, the chain dreams of each service chain run side by side and also run around at the end of the mounting rail, so that the two operating chains with their The chain runs lie on top of each other in two levels.

About the chains of operation and their intervention in the Sprockets of the winding shafts in the bobbin cases the take-up shafts are rotated and depending on The direction of rotation of the take-up shafts are those on the lower one Edge of the curtain attached attached pull cords or unrolled.

Because of this configuration, it is possible for one Curtain according to the type described above the curtain not only to gather and to relax, but also to gather and unblock fan-like.

The invention further provides an embodiment according to the back of the curtain is at least one U-shaped by two on the curtain adjacent to his upper edge of the attached guide rings guided pull cord with two transverse to the winding shaft and with their free ends on the lower edge of the curtain attached pull cord sections and with a formed between the two guide rings, parallel to the winding shaft, the pull cord sections connecting pull cord connecting portion and the winding shaft on its circumference at least one with its circulation area in the area of the cord connecting section lying cam or hook-shaped Pull cord driver, which in the unraveled state of the curtain out of engagement with the pull cord connecting section stands and that for winding the pull cords on the take-up shaft during the curtain curling process when the take-up shaft rotates, the pull cord connecting sections seizes.

It is the first time with such a curtain given the possibility of an active connection between the drawstrings of the curtain and the winding shaft to solve and manufacture, without this being an expensive Technology needs. In the draped state of the curtain the pull cord driver stands on the take-up shaft disengaged from the U-shaped on the back of the Curtain led drawstring while at the beginning the orbital movement of the winding shaft of the cord drivers the pull cord with its in the area of the take-up shaft lying section grips so that at a further rotation of the take-up shaft that of the Pull cord driver caught pull cord on the take-up shaft is wound up, at the same time the curtain is gathered. The operative connection between the pull cord and its take-up shaft is about the direction of rotation and movement of the winding shaft controlled so that in draped condition of the curtain this from the mounting rail can be easily separated. The detachable Attach the curtain to the mounting rail expediently takes place via a Velcro fastener trained connection, so that not only the loosening of the Easily and easily from the mounting rail everyone is feasible. The pull cords need due the inventive design of the venetian blind no longer individually released from the take-up shaft or be connected to this. Just a U-shaped one Guiding the pull cords on the curtain and a pull cord driver on the take-up shaft are enough to one such beneficial venetian blind for the owners of apartments or the like. to provide.

If the curtain of the venetian blind has a larger width on, so is a larger number of pull cords required. However, it is always essential that each Drawstring U-shaped on the back of the curtain and that on the curtain a number of guide rings is attached so that parallel to the take-up shaft extending cord sections are formed, so that this for the winding process of the drawstrings be taken by the driver on the take-up shaft can. The arrangement of the guide rings on the curtain takes place in the area of the take-up shaft such that the Cord sections running parallel to the take-up shaft in the circumferential range of motion of the pull cord driver lie if this over the orbital movement the take-up shaft is set in motion. Every pull cord is formed from a pair of pull cords from across to the cord sections and one of these pull cord sections in the area of the winding shaft connecting cord connecting section. are at the back of the curtain several U-shaped ones Drawstrings provided, then they are arranged in such a way that between the guide rings on the curtain trained, parallel to the winding shaft Drawstring sections of different lengths so tight lie together that all of these drawstring sections from Pull cord drivers can be detected.

Brief description of the drawing

Fig. 1 in einer schaubildlichen Ansicht einen Abschnitt der Tragschiene mit an dieser befestigten Vorhangstoffaufwickelwelle und mit der Befestigung für die Tragschiene an einer senkrechten Gebäudewand und mit einer Befestigungsplatte vor dem Einsetzen ihres Steges in die Eingriffsnut an der Tragschiene,

Fig. 2 in einer Seitenansicht die Anordnung gemäß Fig.1, jedoch mit an der Tragschiene befestigter Befestigungsplatte,

Fig. 3 in einer Seitenansicht eine Befestigungsplatte mit dem Eingriffsteg und darüber angeordnetem Flauschband als Teil des Haftverschlußbandes,

Fig. 4 in einer Seitenansicht die Tragschiene mit der Eingriffsnut für den Befestigungsplattensteg und mit darüber angeordnetem Klettband als weiteres Teil des Haftverschlußbandes,

Fig. 5 in einer Seitenansicht die an der Tragschiene vermittels des Haftverschlußbandes befestigte Befestigungsplatte,

Fig. 6 in einer Seitenansicht die Befestigungsplatte mit dem Steg als Teil der Trag- und Verbindungselemente,

Fig. 7 eine Vorandersicht der Befestigungsplatte,

Fig. 8 einen senkrechten Querschnitt durch die Tragschiene,

Fig. 9 eine Vorderansicht einer Befestigungsplatte mit einer Öse als Führungs- und Umlenkelement für die Zugschnüre des Vorhanges,

Fig.10 eine Seitenansicht der Befestigungsplatte gemäß Fig.9,

Fig.11 in einer Vorderansicht einen Abschnitt des Vorhanges mit der Befestigungsplatte und Öse mit durch diese hindurchgeführter und umgelenkter Zugschnur,

Fig.12 einen senkrechten Schnitt gemäß Linie A-A in Fig.11,

Fig.13 eine schaubildliche Darstellung einer Ausführungsform, bei der das die Befestigungsplatte mit der Öse tragende Vorhangmaterial mittels eines Klettbandes an der Tragschiene befestigt ist,

Fig.14 in einer Vorderansicht einen Vorhang, wobei die Befestigungsplatte mit der Öse am oberen Ende des Raffrollomaterials befestigt ist,

Fig.15 einen senkrechten Schnitt gemäß Linie A-A in Fig.14,

Fig.16 in einer Vorderansicht eine andere Anordnung des Vorhanges mit der Befestigungsplatte mit der Öse,

Fig.17 einen senkrechten Schnitt gemäß Linie A-A in Fig.16,

Fig.18 eine Vorderansicht einer aus zwei plattenförmigen Abschnitten bestehenden Befestigungsplatte, die über einen dünnen Steg miteinander verbunden sind,

Fig.19 eine Seitenansicht der Befestigungsplatte nach Fig.18,

Fig.20 eine schaubildliche Ansicht der Befestigungsplatte mit aneinander geklappten plattenförmigen Abschnitten unter Ausbildung einer Öse durch den die Abschnitte miteinander verbindenden Steg,

Fig.21 in einer schaubildlichen Ansicht die beiden aufeinanderliegenden plattenförmigen Abschnitte mit ausgebildeter Öse,

Fig.22 eine Vorderansicht des Raffvorhanges mit Befestigungsschiene und entrafftem Vorhang,

Fig.23 eine Rückansicht des Raffvorhanges mit entrafftem Vorhang,

Fig.24 eine Rückansicht des entrafften Vorhanges mit den Zugschnüren und den Führungs- und Umlenkringen für die Zugschnüre von drei Zugschnurpaaren,

Fig.25 eine Vorderansicht der Befestigungsschiene mit der dem Zugschnurmitnehmer tragenden Aufwickelwelle für die Zugschnüre,

Fig.26 eine schematische Ansicht von oben des Vorhanges mit den Zugschnüren und der Aufwickelwelle mit dem Zugschnurmitnehmer in Nichteingriffstellung des Zugschnurmitnehmers in die Zugschnüre bei entrafftem Vorhang,

Fig.27 eine schematische Ansicht von oben des Vorhanges mit den Zugschnüren und der Aufwickelwelle mit dem Zugschnurmitnehmer in der Stellung des Zugschnurmitnehmers kurz vor dessen Eingriff in die Zugschnüre,

Fig.28 eine schematische Ansicht von oben des Vorhanges mit den Zugschnüren und der Aufwickelwelle mit dem Zugschnurmitnehmer in der Stellung des Zugschnurmitnehmers nach Eingriff in die Zugschnüre,

Fig.29 eine schematische Ansicht von oben des Vorhanges mit den Zugschnüren und der Aufwickelwelle mit dem Zugschnurmitnehmer in der Stellung der weitergedrehten Aufwickelwelle mit vom Zugschnurmitnehmer ergriffenen und mitgenommenen, bereits teilweise aufwickelten Zugschnüre während des Raffvorganges des Vorhanges,

Fig.30A,30B,30C verschiedene Ausgestaltungen des Zugschnurmitnehmers in Form von Haken und Nocken,

Fig.31 einen senkrechten Querschnitt durch die Aufwickelwelle mit am Wellenkörper angeformtem Zugschnurmitnehmer,

Fig.32 eine schematische Ansicht einer Aufwickelwelle mit drei ineinandergreifenden Zugschnurpaaren und mit einem Zugschnurmitnehmer und

Fig.33 eine schematische Ansicht einer Aufwickelwelle mit drei nebeneinanderliegenden Zugschnurpaaren mit drei Zugschnurmitnehmern.

Embodiments of the invention are explained below with reference to the drawing. Show it

1 is a perspective view of a portion of the mounting rail with curtain material winding shaft attached to it and with the mounting for the mounting rail on a vertical building wall and with a mounting plate before inserting its web into the engagement groove on the mounting rail,

2 shows a side view of the arrangement according to FIG. 1, but with a fastening plate fastened to the mounting rail,

3 shows a side view of a fastening plate with the engagement web and a fleece band arranged above it as part of the adhesive fastener band,

4 shows a side view of the mounting rail with the engagement groove for the fastening plate web and with a Velcro strip arranged above it as a further part of the adhesive fastener tape,

5 is a side view of the mounting plate fastened to the mounting rail by means of the adhesive fastener tape,

6 is a side view of the mounting plate with the web as part of the supporting and connecting elements,

7 is a front view of the mounting plate,

8 is a vertical cross section through the mounting rail,

9 is a front view of a mounting plate with an eyelet as a guiding and deflecting element for the pull cords of the curtain,

10 shows a side view of the fastening plate according to FIG. 9,

11 shows a front view of a section of the curtain with the fastening plate and eyelet with a pull cord which is guided through and deflected therethrough,

12 shows a vertical section along line AA in FIG. 11,

13 shows a diagrammatic representation of an embodiment in which the curtain material carrying the fastening plate with the eyelet is fastened to the mounting rail by means of a Velcro strip,

14 shows a front view of a curtain, the fastening plate being fastened with the eyelet to the upper end of the Roman shade material,

15 shows a vertical section along line AA in FIG. 14,

16 is a front view of another arrangement of the curtain with the mounting plate with the eyelet,

17 shows a vertical section along line AA in FIG. 16,

18 shows a front view of a fastening plate consisting of two plate-shaped sections which are connected to one another via a thin web,

19 shows a side view of the fastening plate according to FIG. 18,

20 shows a perspective view of the fastening plate with plate-shaped sections folded against one another, forming an eyelet through the web connecting the sections to one another,

21 shows a diagrammatic view of the two plate-shaped sections lying one on top of the other with a trained eyelet,

22 shows a front view of the Roman blind with fastening rail and draped curtain,

23 is a rear view of the roman blind with the curtain drawn,

24 shows a rear view of the draped curtain with the pull cords and the guide and deflection rings for the pull cords of three pairs of pull cords,

25 a front view of the fastening rail with the take-up shaft carrying the pull cord driver for the pull cords,

26 shows a schematic view from above of the curtain with the pull cords and the winding shaft with the pull cord driver in the non-engaged position of the pull cord driver in the pull cords with the curtain unfastened,

27 shows a schematic view from above of the curtain with the pull cords and the winding shaft with the pull cord driver in the position of the pull cord driver shortly before it engages in the pull cords,

28 shows a schematic view from above of the curtain with the pull cords and the winding shaft with the pull cord driver in the position of the pull cord driver after engagement in the pull cords,

29 shows a schematic view from above of the curtain with the pull cords and the take-up shaft with the pull cord driver in the position of the further wound take-up shaft with pull cords already gripped and carried by the pull cord driver during the gathering process of the curtain,

30A, 30B, 30C different configurations of the pull cord driver in the form of hooks and cams,

31 shows a vertical cross section through the winding shaft with a pull-cord driver molded onto the shaft body,

Figure 32 is a schematic view of a take-up shaft with three interlocking pull cord pairs and with a pull cord driver and

Fig. 33 is a schematic view of a take-up shaft with three adjacent pull cord pairs with three pull cord drivers.

Detailed description of the invention and best way for carrying out the invention

A curtain, not shown in Figure 1, in particular Venetian blind, is attached to the curtain fabric Provide guide and deflection elements for the pull cords, which are designed as mounting plates 20. Each mounting plate 20 consists according to FIGS. 6 and 7 from an approximately square, rectangular or a another plate surface 22 having a geometric shape, which in its lower region 22a have a horizontal, at a right angle from the mounting plate surface projecting web 31. The plate-shaped Section 22 extends over the web 31 and runs into an approximately triangular section 23, the Edges 23a, 23b are drawn in in an arc. On this Plate section 23 is perpendicular to the mounting plate surface standing ring or eyelet 21 for those in the Shaped drawing cords, not shown.

For fastening the curtain to a vertical wall a mounting rail 10 is provided on which the curtain attached mounting plates 20 by means of an adhesive tape 40 are attached (Fig.1 and 2).

The mounting rail 10 has a web-like cross-sectional profile 100, in which openings 101a and 106 are formed are, of which the opening 106 for receiving the fastening device 16 for a curtain winding shaft 17 serves while the other opening 101a is the fastener 15 for fastening the mounting rail 10 on a vertical wall or a building ceiling (Fig.1).

The attachment of the mounting plates 20 to the mounting rail 10 is carried out by means of an adhesive fastener tape 40. This adhesive fastener tape 40 consists of a fleece tape 41 and a Velcro strap 141. In the one shown in FIGS. 3 and 4 Embodiment is on the mounting plate 20 the loop tape 41 of the fastener tape 40 and on the wall surface opposite the mounting plate 20 the mounting rail 10, the Velcro 141 as the second Part of the fastener tape 40 attached so that at attaching the mounting plate 20 to the mounting rail 10 the loop tape 41 with the Velcro tape 141 an adhesive bond is formed, which, if desired, can be released is (Fig. 5).

The mounting rail 10 has on the fastening plate connection side one running in the longitudinal direction of the mounting rail Engagement groove 131, which is below the at the Support rail 10 attached Velcro 141 to lie is coming. This engaging groove 131 is used in the manufacture the adhesive connection between the fastening plate 20 and the mounting rail 10 for receiving the web 31 on the Mounting plate 20, which is below the loop tape 41 attached to the mounting plate 20 or molded is. Is when the mounting plate 20 on the mounting rail 10 the loop tape 41 on the Velcro 141 for making the adhesive bond by exercising light pressure in the direction of arrow X, then the web 31 of the mounting plate engages at the same time 20 in the engagement groove 131 on the mounting rail 10 a (Fig. 3,4 and 5).

If the adhesive connection is as shown by arrows X1 in Fig. 2 indicated, between the mounting plate 20 and the Carrier rail 10 is produced, then is over at the same time the web 31 and the engagement groove 131 a non-positive Connection between the mounting plate 20 and the mounting rail 10 produced with the result that in Direction of arrow X2 occurring tensile forces over the load bearing and Connecting element 30 are included, the the web 31 and the engagement groove 131 is formed (Fig.2).

The web 31 on the mounting plate 20 is above of the ring or eyelet 21 and below that on the mounting plate 20 attached loop tape 41 attached. The engagement groove 131 is on the mounting rail 10 below the Velcro attached to this 141 attached.

The web 31 on the mounting plate 20 can Production of the mounting plate simultaneously with be molded on. However, there is also the possibility the web 31 releasably attached to the mounting plate 20.

The depth of the engagement groove 131 on the mounting rail 10 corresponds approximately to the width of the web 31 on the mounting plate 20. The height of the engaging groove 131 the mounting rail 10 corresponds approximately to the material thickness of the web 31 on the mounting plate 20 so that the in the engagement groove 131 inserted web 31 of which the Engaging groove-limiting wall surfaces or legs 105 ', 105' 'is held in a clamped manner (FIGS. 4 and 8).

The support rail 10 having the engagement groove 131 is formed as a hollow profile and has two adjacent Side surfaces 10a, 10b each in the longitudinal direction of the mounting rail extending opening 101a and 106 for receiving of fastening devices 16, 15 for the arrangement a winding shaft 17 for the curtain fabric and for mounting the mounting rail 10 on a vertical Building wall or ceiling and on which the Side surface 10a opposite side surface 10c the engagement groove running in the longitudinal direction of the mounting rail 131 on (Fig. 5).

According to the embodiment shown in Figure 8, the Fastening rail 10 a web-like cross-sectional profile 100 on. This cross-sectional profile 100 consists of a first U-profile 101 with horizontally running legs 102, 103 and a connecting them with each other a first section 103a over the lower leg 103 extended web 109, the upper horizontal Leg 102 with a section 102a over the Leg connecting web 109 is led out and the free ends 102b, 103b of the legs 102,103 each other have facing, angled sections 102a, 103c, and a second, parallel to the first section 103a extending at the free end 103b of the lower Leg 103 of the first U-profile 101 formed Section 104 consists of the first section 103a at its free end 103a 'a U-shaped, the Engagement groove 131 for the fastening plate webs 31 forming third section 105 with outward Has mounting plate web engagement opening. The third, on both sides to the first web section 103a elongated section 105 of cross-sectional profile 100 the mounting rail 10 and the free lower end 104a of the second section 104 has a formation Opening 106 facing portions 105b, 104b on. The one over the leg connecting web 109 of the first U-profile 101 extended upper section 102a and extended beyond the first web section 103a Point section of the third U-shaped section 105 Lengths that are roughly the same as the material thickness of the Support rail 10 attached Velcro 141 of the fastener tape correspond. However, other cross-sectional profile configurations the mounting rail 10 are possible. At least the mounting rail 10 must be designed The fastening devices 15, 16 for fastening the mounting rail on a building wall and for mounting the winding shaft for the curtain can, in addition to a part of the adhesive tape 40 also the engagement groove 131 on or in the cross-sectional profile 100 of the mounting rail is formed. The mounting rail 10 with the attached to the curtain fabric Fastening plates 20 form together with the adhesive tape 40 and the supporting and connecting elements 30, formed by the web 31 and the engaging groove 131 become a closed structural unit.

In the embodiment according to FIGS. 9 to 21, according to FIG and 10 an eyelet 203 with an attached and fastening plate connected with a curtain fabric 201 Designated 210.

11 and 12 show an embodiment in which the fastening plate 210 connected to the eyelet 203 a universal tape, e.g. Loop band 205, attached and is sewn on hooks 211 on gliders 206th hangs, which slide in a track 204, which on a bracket 213 fixedly connected to the building is.

13 shows a perspective view of an embodiment, in which the mounting plate 210 with the curtain material 201 carrying the eyelet 203 by means of a textile fastener tape 207 on the with the building fixed bar 208 is attached.

14, 15 and 16, 17 relate to similar embodiments m, where the space previously required for Eyelets or rollers behind the venetian blind are no longer required becomes. In these embodiments, the mounting plate 210 at the top of the venetian blind material attached, which one over a rod 211 or one Piping 214 forms running loop 212, with rod 211 or piping 214 are firmly connected to the building, e.g. through the carrier 213.

Fig. 18 to 21 show the individual parts that make up the deflecting element there is, namely the eyelet 203 and the mounting plate 210. These figures show that flexible and washable plastic, preferably polyamide, existing molding, from which by folding of the two end plates 210a and 210b and welding the same the fastening plate 210 with the eyelet 203 arises.

The Roman blind 100 'shown in FIGS. 22, 23 and 24 includes a rectangular curtain 510 or square fabric cut with the top edge 510a, the bottom edge 510b and the two vertical edge edges 510c, 510d. This curtain 510 is with its top edge releasably attached to a mounting rail 540, which expediently by means of a Velcro fastener Connection is established. But also differently trained releasable connection means, e.g. Button connection, Zipper connection or the like. can for Application.

The front of the curtain 510 is 510e and the Back of the curtain marked 510f. The middle of the curtain 510 is characterized by a longitudinal center line 511 (Fig. 24).

The curtain 510 is gathered using pull cords 520 or 620 or 720, which as pull cord pairs 521 or 621 and 721 are formed. The number of pull cords depends on the width of the curtain 510. The pull cords are always combined in pairs.

Each pull cord 520,620,720 is 510f on the back of the curtain 510 by means of guide loops 525 on the Curtain held and has a U-shaped course, i.e. a course that turns an upside down "U" corresponds, forming parallel to the lateral Edge edges 510c, 510d of the curtain 510 extending Drawstring sections 522,523 that are adjacent to the top edge 510a of the curtain over a Cord connecting section 524 are connected, wherein this parallel to the top edge 510a of the curtain 510 extending cord connecting section 524 through Deflection of the pull cord 520 by guide rings 530,531 is reached, which is adjacent to the upper edge 510a of the curtain 510 are attached to it in such a way that preferably the two guide rings 530,531 for the pull cord 520 on either side of the longitudinal center line 511 of the curtain 510 (Fig. 23).

The pull cord sections 522, 523 of the pull cord pair 521, that forms the pull cord 520 are with their ends 522a, 523a adjacent to the bottom edge edge 510b of the curtain 510 attached to this (Fig. 23).

The number of U-shaped pull cords on the back 510f of the curtain 510 is based in each case the width of the curtain 510. In the case of FIGS The illustrated embodiment has the curtain 510 three pull cords 520,620,720 on that of pull cord pairs 521,621,721 are formed. The pull cords are 620,720 formed according to the pull cord 520; they point parallel to the side edge edges 510c, 510d of the curtain 510 extending pull cord sections 622, 623 and 722,723, which is adjacent to the upper edge 510a of the Curtain 510 via pull cord connection sections 624,724 are connected. Adjacent to the lower edge 510b of the curtain 510, these pull cord sections are 622, 623 and 722,723 with their ends 622a, 623a, 722a, 723a on the Curtain 510 attached. All pull cords are 520,620,720 U-shaped guided by a corresponding number from on the curtain 510 adjacent the top edge thereof 510a attached guide rings 630,631 and 730,731, with all guide rings 530,531 and 630,631 and 730,731 are arranged in a row, so that the pull cord 520 guided through the guide rings 530,531 and deflected while the pull cord 620 is through the guide rings 630,631 is guided and redirected, while the parallel to the upper edge 510a of the curtain 510 Drawstring connecting section 624 in addition is guided through the guide rings 530,531. In the same The pull cord 720 is also guided in a U-shape, whereby the guidance and the deflection by means of the guide rings 730,731. The one parallel to the upper edge 510a of the curtain 510 extending draw cord connection section 724 of the pull cord 720 is then additionally through the guide rings 630,631 and 530,531 are passed through, so that three in the middle of the curtain 510 close together pull cord connection sections 524,624,724 (Fig. 24).

The fastening rail 540 of the roman blind 100 'serves to attach it to a ceiling or wall in a window area. The two ends 540a, 540b of the rod-shaped mounting rail 540 bearing 541,541 ' for a winding shaft 550 for the pull cords 520,620,729 (Fig.25).

The winding shaft 550 for the pull cords is cylindrical Shaft body formed and consists of a Hollow shaft or a solid shaft. At the end areas 550a, 550b carries the winding shaft 550 bearing pins, which in the Bearings 541,541 'of the mounting rail 540 are mounted, so that the take-up shaft 550 about its shaft axis 556 in Direction X, X1 is rotatable. Operation of the take-up shaft 550 takes place via a drive 551 an operating cord or chain 555, wherein electric motor drives can also be used, over a drum 552 of at the end 550a of the take-up shaft 550 arranged drive 551 is guided. By pulling one or the other strand 555a, 555b the operation chain 555, the take-up shaft 550 in Rotation, either in one direction or in the other direction.

The winding shaft 550 carries at least around its circumference one with its circulation area in the area of the cord connecting section 524 or the pull cord connecting sections 624,724 lying cam or hook-shaped Pull cord driver 560, which in the unraveled state of the Curtain 510 out of engagement with the cord connecting section (s) 524,624,724 stands and the for Winding up the pull cords 520,620,720 or their pull cord sections 522,523 and 622,623 and 722,723 on the Winding shaft 550 during the curtain curling process at revolving take-up shaft 550 the cord connecting sections 524,624,724 takes hold.

23 shows the guide rings 530, 531 and 630, 631 and 730,731 on the curtain 510 for the pull cords 520, 620, 720 on either side of the longitudinal center line 511 of the curtain 510 attached to it (Fig. 24). To this Ways are on either side of the longitudinal centerline 511 Curtain 510 three guide rings, namely 530,630,730 and 531,631,731 attached, the distances between the two Guide rings 530,531 for the pull cord 520, the guide rings 630,631 for the pull cord 620 and the guide rings 730,731 for the pull cord 720 from the longitudinal center line 511 of the curtain 510 are the same.

The pull cord driver 560 can be of various types Have configurations. According to one embodiment 30A, 30B and 30C there is the pull cord driver 560 from a plug-like shaped body 561, the corresponding 30A with a hook portion 562 or equivalent 30B with two oppositely directed hook-shaped sections 562,562 'is provided. Also the embodiment of Fig.30C consists of a plug-like molded body 561, which has a driver cam 563 carries, this driver cam 563 on his free end has a button-like widening 563a, to be able to act as a driver. It exists also the possibility of the plug-like molded body 561 with a screw-like shaped body to provide, then the head-like configuration the helical shaped body the function of a Driver has. This configuration of the pull cord driver 560 has the advantage that on one side the Pull cords securely gripped for the winding process are and during the winding process also against Slipping are secured and on the other hand an effortless Unhooking from the pull cords is guaranteed.

As far as the pull cord driver 560 a plug-like Have shaped body 561, the winding shaft 550 is on their extent with a number of recesses or Provide openings in which these are plug-like Shaped body 561 of the pull cord driver 560 are used. These plug-like shaped bodies 561 consist of one resilient-elastic plastic, so the pull cord drivers 560 in the recesses or perforations in the wall of the shaft body of the take-up shaft 550 Press or clamp fit held. Additional connection options are given to the extent that then this type of pull cord drivers 560 still via adhesive connections are secured. The drivers 560 in the Embodiments according to FIGS. 30A, 30B and 30C can consist of Plastics, metallic materials or other suitable Materials exist.

However, there is also the possibility of the shaft body the winding shaft 550 with a pull cord driver 560 to be provided on the outer circumference of the take-up shaft 550 is molded so that a hook-shaped configuration arises. In this embodiment there is then Drawstring driver 560 made of the same material from which the winding shaft 550 is also manufactured. 31 shows also a further embodiment insofar as in the shaft body of the winding shaft 550 a driving screw 565 is screwed in, which has the same function has, such as the cam-shaped or hook-shaped Pull cord driver 560. There is also the possibility the pull cord driver 560 by means of a screw connection to be attached to the take-up shaft 550. Also other than shown in the drawing and preceding described embodiments of pull cord drivers 560 can be used. It is essential that the pull cord driver 560 on the outer circumference of the take-up shaft 550 is attached and has a configuration due to the pull cord driver 560 for the winding process the pull cords detected and also release them can when the curtain 510 off the mounting rail 540 to be removed or released. The venetian blind 100 'becomes as shown in FIGS. 26 to 29 used as follows:

The pull cord driver is in the draped state of the curtain 510 560 outside the engaged position, i.e. the pull cord driver 560 is on the curtain 510 opposite side and is disengaged with the pull cord connection sections 524,624,724 in Area A (Fig. 26). Now the take-up shaft 550 by means of the operating chain 555 in the direction of the arrow X2 twisted, then the pull cord driver 560 pivots from position B1 to position B2 and seizes from above the pull cord connection sections 524,624,724 in the pull cord section area A (Fig. 27). The pull cord driver 560 is hook-shaped, that the pull cord driver from above into the pull cord connecting sections 524,624,724 engages. Until Engagement of the pull cord driver 560 in these pull cord connection sections of the pull cords 520,620,720 the curtain 510 is still in its deflated position. Becomes the take-up shaft 550 rotates further, so the pull cord driver takes 560 the drawstring connecting sections 524,624,724 of the pull cords 520,620,720 with (Fig. 28), where with further rotation of the take-up shaft 550, the pull cords 520,620,720 wound on the take-up shaft 550 be, during this winding process the curtain 510 is gathered (Fig. 29).

If the gathering process for the curtain 510 has ended, then the venetian blind 100 'takes the one shown in Fig. 40 Position on; the pull cord driver 560 then stands still in engagement or in operative connection with the Drawstrings 520,620,720 in the area of their drawstring connection sections 524,624,724. The direction of rotation of the take-up shaft 550 is changed and if this is rotated in the direction of arrow X3, it takes place unwinding the pull cords 520, 620, 720 from the take-up shaft 550 while performing the disarming process for the curtain 510 so that when the The curtain has been removed, i.e. the curtain 510 is the stretched position shown in Fig. 22 takes, then the pull cord driver 560 from the Engagement area to the pull cord connection sections 524,624,724 of the pull cords 520,620,720 is brought out, i.e. the pull cord driver is no longer in operative connection with the drawstrings so that the curtain 510 from its fastening rail 540 of the roman blind 100 ' separated, i.e. can be solved.

Correspondingly in the case of a design of the Roman blind 100 ' 23 is the pull cord driver 560 in the middle of the Take-up shaft 550, i.e. thus in the area of the longitudinal center line 11 of the curtain 510, arranged because in this area by the arrangement of the guide rings 530,531 and 630, 631 and 730, 731 then in the area around the pull cord driver 560 the pull cord sections to be gripped by this of the pull cords 520,620,720.

In the previously described and schematically in Fig. 32 shown winding shaft 550 for a Roman blind are three pull cords 520,620,720 in the form of U-shaped pull cord pairs 521, 621, 721 provided, through guide rings arranged in pairs 530,531 and 630,631 and 730,731 are passed through that three each parallel to each other and to the longitudinal axis of the take-up shaft 550 extending cord connecting portions 524,624,724 from a single, centered of the winding shaft 550 attached pull cord drivers 560 can be recorded together.

In contrast, according to a further embodiment according to 33 more than one pull cord driver 560 is also provided be, the number of pull cord drivers according to the number of U-shaped and by pairs combined guide rings 530 ', 531' and 630 ', 631 'and 730', 731 'pull cord pairs passed through 521 ', 621', 721 'of three drawstrings 520', 620 ', 720'. In this embodiment, the individual are U-shaped guided pull cord pairs 521 ', 621', 721 'side by side arranged so that the parallel to the longitudinal axis of the take-up shaft connecting portions 550 524 ', 624', 724 'not as in the embodiment 32 superimposed in the central area are from a single pull cord driver 560 to be recorded, but in series one behind the other so that to the cord connecting sections 524 ', 624', 724 ', three Pull cord drivers 560, 560 ', 560' 'are provided by which each pull cord driver centered on the respective Drawstring connecting section 524 ', 624', 724 'at the Winding shaft 550 is arranged. The minimum number of the U-shaped pull cord pairs for the curtain 510 should be two.

The pull cord driver 560 can on the winding shaft 550 be fixed or detachably connected. Especially The configuration according to which is advantageous Fig. 25 with the winding shaft 550 on its circumference a longitudinal slot 580, e.g. in the form of a guide groove, is provided, the sledge-shaped Draw cord driver 560 and for a longitudinal displacement worries what is indicated by the arrows Z. is. Due to this configuration, there is the possibility on the take-up shaft 550, namely in adaptation to the respective requirements, a corresponding one and required number of pull cord drivers 560 to be arranged, with the movability of the pull cord driver 560 whose distances are those to be recorded Drawstring sections can be adjusted. Furthermore there is the possibility of a central arrangement of a single pull cord driver 560 on the take-up shaft 550 also an off-center arrangement of the pull cord driver to make if necessary should be.

In addition to using a single take-up shaft 550 there is also the possibility at the end areas of the Mounting rail 540 to arrange two winding shafts, which are designed as short waves and which in same way as the take-up shaft 550 with pull cord drivers 560 can be provided. The length of the two Wind-up shafts can be chosen arbitrarily. She will align substantially with the width of the curtain 510. Each of the two winding shafts is then with an operating cord or control chain 555. Also controllable Electromotive drives can be used with the winding shafts are in operative connection.

By using two short winding shafts is with simple technology and without great technical Effort given the opportunity to close the curtain gather and / or fan. The use of such a trained Venetian blind is therefore also with gable windows and with horizontal arches and everywhere there possible where one corresponds to the width of the curtain long winding shaft is not mountable.

Claims (29)

1. A curtain, in particular a curtain to be gathered, with guiding and reversing elements mounted on the curtain material for the pull cords, whereby the curtain material which carries fixing plates (20) with rings or eyes (21) is fixed by means of an adhesive closing band (40), made of a deep pile fabric band (41) and of a Velcro type band (141), to a supporting rail (10) which is rigidly connected with the building, characterized in that the fixing plates (20) for creating an active connection actuated by gravity with the supporting rail (10) are connected by removable supporting and connecting elements (30) which receive the vertical tensile loads, the fixing plates (20) and the supporting rail (10) being provided with the parts (41, 141) constituting the adhesive closing band (40).
2. A curtain according to claim 1, characterized in that the supporting and and connecting elements (30) comprise a horizontally running web (31), fixed on each fixing plate (20) and a meshing groove (131) for the fixing plate webs (31), which is configured on the supporting rail (10) and which runs in the longitudinal direction of the supporting rail.
3. A curtain according to one of the claims 1 and 2, characterized in that the web (31) is fixed to the fixing plate (20) above the ring or the eye (21) and underneath the first part/the deep pile fabric band (41) of the adhesive closing band (40), first part which is fixed to the fixing plate (20).
4. A curtain according to one of the claims 1 to 3, characterized in that the meshing groove (131) is fixed to the supporting rail (10) underneath the second part/the Velcro type band (141) of the adhesive closing band (40), second part which is fixed to the supporting rail (10).
5. A curtain according to one of the claims 1 to 4, characterized in that the web (31) is moulded on the fixing plate (20).
6. A curtain according to one of the claims 1 to 5, characterized in that the depth of the meshing groove (131) on the supporting rail (10) approximately corresponds to the width of the web (31) on the fixing plate (20).
7. A curtain according to one of the claims 1 to 6, characterized in that the height of the meshing groove (131) on the supporting rail (10) approximately corresponds to the material thickness of the web (31) on the fixing plate (20) so that the web (31) introduced into the meshing groove (131) is held jammed by the wall surfaces or legs (105', 105'') limiting the meshing groove (131).
8. A curtain according to one of the claims 1 to 7, characterized in that the supporting rail 10 is configured as a hollow section and shows, on two adjacent lateral surfaces (10a, 10b), respectively one opening (101a ; 106) running in the supporting rail longitudinal direction for receiving fixing devices (16, 15) for the arrangement of a take-up shaft (17) for the curtain material or for mounting the supporting rail (10) on a vertical building wall or a building ceiling and, on the lateral surface (10c) opposed to the lateral surface (10a), the meshing groove (131) running in the supporting rail longitudinal direction.
9. A curtain according to one of the claims 1 to 8, characterized in that the fixing rail (10) has a web type cross-sectional profile (100) which comprises a first U-profile (101) with horizontally running legs (102, 103) and a web (109) connecting the legs the one with the other, extended with a first section (103a) past the lower leg (103), whereby the upper horizontal leg (102) projects with a section (102a) past the leg connecting web (109) and the free ends (102b ; 103b) of the legs (102 ; 103) have bent sections (102c ; 103c) turned to each other, and a second section (104) running parallel to the first section (103a), moulded on the free end (103b) of the lower leg (103) of the first U-profile (101), whereby the first section (103a) has, on its free end (103a'), an U-shaped third section (105), constituting the meshing groove (131) for the fixing plate webs (31), with a fixing plate web meshing opening directed outwards, and whereby the third section (105), extended on both sides of the first web section (103a) and the free lower end (104a) of the second section (104) have sections (105b ; 104b) turned to each other by constituting an opening (106).
10. A curtain according to claim 9, characterized in that the upper section (102a), extended past the leg connecting web (109) of the first U-profile (101), and the section of the third U-shaped section (105) which extends past the first web section (103a) have a length which approximately corresponds to the material thickness of the Velcro type band (141) of the adhesive closing band (40), Velcro type band which is fixed on the supporting rail (10).
11. A curtain according to one of the claims 1 to 10, characterized in that each reversing element (203, 210) comprises a fixing plate (210) connected with the curtain material (201) which is preferably rigidly connected as a single piece with a guiding eye (203) hanging down therefrom.
12. A curtain according to claim 11, characterized in that the fixing plate (210) is connected with a textile adhesive closing band (207) which, for its part, is fixed to a ledge (208) or the like which is rigidly connected with the building.
13. A curtain according to claim 11, characterized in that the fixing plate (210) is fixed to a curtain carrying band, for example a looped band (205), the loops of which hang over hooks on gliders (206) which glide in a running rail (204) which is rigidly connected with the building, eventually over a bearer (213).
14. A curtain according to claim 11, characterized in that the fixing plate (210) is fixed to the upper end of the curtain material of the curtain to be gathered which constitutes a loop (212) running over a rod (211) or a bulb (214).
15. A curtain according to claim 11, characterized in that the reversing element (203, 210) comprises two end plates (210a, 210b) connected with each other by a relatively narrow, preferably round connecting web (203'), which are folded together and glued or welded together.
16. A curtain according to one of the claims 1 to 15, whereby the curtain comprises a curtain (510), a fixing rail (540) to which the curtain (510) is removably fixed with its upper edge (510a), a take-up shaft (550) rotatively positioned on the fixing rail (540) at the vicinity of the upper edge (510a) of the curtain (510), provided at the one end with a driving gear (551) actuatable by means of an operating cord or an operating chain (555) for a number of pull cords (520, 620, 720) which can be taken up on this shaft, which are fixed at their one end to the lower edge 510b) of the curtain (510) and through which guiding loops (525) placed distributed between the upper edge (510a) and the lower edge (510b) of the curtain (510) are guided, and a number of guiding rings (530, 531, 630, 631, 730, 731), placed in the area of the take-up shaft (550), which are mounted fixed or removable and through which pull cords are guided, characterized in that the curtain (510), which is removably fixed on the take-up shaft (550), can be taken up onto the take-up shaft and unrolled therefrom by means of pull cords, whereby the pull cords (520, 620, 720) are configured as U-shaped guided pull cord pairs (521, 621, 721) guided through guiding rings (530, 531, 630, 631, 730, 731) with central pull cord connecting sections (524, 624, 724), running parallel to the longitudinal axis of the take-up shaft (550) and superimposed, which are grasped, for the taking up and unrolling procedure of the curtain, by at least one pull cord driver (560) fixed in the middle or off-center on the periphery of the take-up shaft (550).
17. A curtain according to claim 16, characterized in that the pull cord driver (560) is held longitudinally movable in a longitudinal slot (580) arranged on the periphery of the take-up shaft (550) and running in the longitudinal direction of the take-up shaft and which can be locked in any position on the take-up shaft.
18. A curtain according to one of the claims 16 and 17, characterized in that the curtain (510) has, on its reverse side (510f), at least one pull cord (520, 620, 720) U-shaped guided through two guiding rings (530, 531 ; 630, 631 ; 730, 731) fixed on the curtain (510) at the vicinity of its upper edge (510a), with two pull cord sections (522, 523 ; 622, 623 ; 722, 723) running transversely to the take-up shaft (550) and fixed with their free ends on the lower edge (510b) of the curtain (510) and with a pull cord connecting section (524, 624, 724) configured between the two guiding rings (530, 531 ; 630, 631 ; 730, 731), running parallel to the take-up shaft (550), connecting the pull cord sections (522, 523 ; 622, 623 ; 722, 723), and the take-up shaft (550) carries, on its periphery, at least one hook-shaped or cam-shaped pull cord driver (560) situated with its circulation area in the area of the pull cord connecting sections (524, 624, 724) which is disengaged from the pull cord connecting section(s) (524, 624, 724), when the curtain is loosened, and which grasps the pull cord connecting sections (524, 624, 724) to roll up the pull cords (520, 620, 720) or their pull cord connecting sections (522, 523 ; 622, 623 ; 722, 723) onto the take-up shaft (550) during the curtain gathering process, the take-up shaft (550) being rotating.
19. A curtain according to one of the claims 16 to 18, characterized in that the curtain (510) has, on its reverse side (510f), as a pull cord (520) at least one pair pull cords (521, 621, 721) with two pull cord sections (522, 523 ; 622, 623 ; 722, 723) extending over the whole curtain length and guided at a distance from each other, which are connected by a pull cord connecting section (524, 624, 724) guided parallel to the upper edge (10a) of the curtain (510), and at the vicinity of its upper edge (510a) on both sides of its longitudinal median line (511), a number of respectively two guiding rings (530, 531 ; 630, 631 ; 730, 731) removably connected with the curtain (510), corresponding to the number of pull cord pairs (521, 621, 721) provided on the curtain (510), guiding rings through which the two pull cord sections (522, 523 ; 622, 623 ; 722, 723) of each pull cord pair (521, 621, 721) are guided and reversed to constitute the pull cord connecting section (524, 624, 724) and that the take-up shaft (550) shows on its periphery, at least one hook-shaped or cam-shaped pull cord driver (560) situated with its circulation area in the area of the pull cord connecting section (524, 624, 724) or the pull cord connecting sections (524, 624, 724) which is disengaged from the pull cord connecting section(s) (524, 624, 724), when the curtain (510) is loosened, and which grasps the pull cord connecting sections (524, 624, 724) to roll up the pull cords (520, 620, 720) or their pull cord sections (522, 523 ; 622, 623 ; 722, 723) onto the take-up shaft during the curtain gathering process, the take-up shaft (550) being put into rotation.
20. A curtain according to one of the claims 16 to 19, characterized in that the curtain (510) carries, on its reverse side (510f), as a pull cord (520) one pair pull cords (521) with two pull cord sections (522, 523) running transversely to the take-up shaft (550) and a pull cord connecting section (524) connecting them to each other, whereby two guiding rings (530, 531) are mounted on the curtain at the vicinity of the upper edge (510a) of the curtain (510) for reversing the pull cord (520), and that both guiding rings (530, 531) are arranged in a row, whereby respectively one guiding ring (530, 531) is provided on both sides of the longitudinal median line (511) of the curtain (510) so that the pull cord connecting section (524) is situated in the meshing area of the pull cord driver (560) of the take-up shaft (550).
21. A curtain according to one of the claims 16 to 20, characterized in that the curtain (510) carries, on its reverse side (510f), three pull cords (520, 620, 720) configured as pull cord pairs (521, 621, 721) with respectively two pull cord sections (522, 523 ; 622, 623 ; 722, 723) running transversely to the take-up shaft (550), and respectively one pull cord connecting section (524, 624, 724) connecting them with each other, respectively two guiding rings (530, 531 ; 630, 631 ; 730, 731) being mounted at the vicinity of the upper edge (510a) of the curtain (510) thereon for reversing the pull cords (520, 620, 720) of each pull cord pair (521, 621, 721), and that the guiding rings (530, 531 ; 630, 631 ; 730, 731) are arranged in a row, whereby respectively three guiding rings (530, 630, 730 ; 531, 631, 731) are provided on both sides of the longitudinal median line (511) of the curtain (510) so that three pull cord connecting sections (524, 624, 724), running parallel and close to each other, are situated in the meshing area of the pull cord driver (560) of the take-up shaft (550).
22. A curtain according to one of the claims 16 to 21, characterized in that the two guiding rings (530, 531 ; 630, 631 ; 730, 731) of each pull cord pair (521, 621, 721) are placed at an equal distance from the longitudinal median line (511) of the curtain (510).
23. A curtain according to one of the claims 16 to 22, characterized in that the pull cord driver (560) is provided on the take-up shaft (550) in the area of the longitudinal median line (511) of the curtain (510).
24. A curtain according to one of the claims 16 to 23, characterized in that the pull cord driver (560) is configured hook-shaped.
25. A curtain according to one of the claims 16 to 23, characterized in that the pull cord driver (560) comprises a stopper type moulded body (561) with a hook section (562, 562') and that a recess or opening which receives the stopper type moulded body (561) of the pull cord driver (560) is provided in the shaft body of the take-up shaft (550), recess in which the pull cord driver (560) is held jammed, by means of a screw connection or of a glued connection.
26. A curtain according to one of the claims 16 to 25, characterized in that the curtain (510) is removably fixed to the fixing rail (540) by means of a Velcro band type connecting means.
27. A curtain according to one of the claims 16 to 26, characterized in that at least two U-shaped guided pull cord pairs (521, 621, 721) are provided for actuating the curtain (510), these pull cord pairs being placed side by side in a row and among which each individual pull cord pair is guided through two guiding rings (530', 531' ; 630', 631' ; 730', 731') by constituting a pull cord connecting section (524', 624', 724') running parallel to the longitudinal axis of the take-up shaft (550), and that a pull cord driver (560, 560', 560'') fixed to the take-up shaft (550) is assigned to each pull cord connecting section (524', 624', 724'), the number of pull cord drivers corresponding to the number of pull cord pairs provided.
28. A curtain according to one of the claims 16 to 27, characterized in that the take-up shaft (550) comprises at least one short shaft with a length less than the width of the curtain (510) which is placed on the fixing rail (540) at the vicinity of the upper edge of the curtain (510).
29. A curtain according to one of the claims 1 to 28, characterized in that the fixing plate (210 ; 800) and the guiding eye (203 ; 803) which is preferably rigidly connected herewith are made of a flexible, sewable and washable synthetic material, preferably of polyamide.

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