EP2011952A2 - Separator for a carriage of a darkening device and darkening device - Google Patents

Abstract

The spacer (32) has a clamp (34) detachably coupled with a carriage (23) that is designed as an end wagon. The carriage co-operates with a bar (35), which stays in external contact with the clamp during movement of the carriage in a direction. The bar stays in direct contact with the clamp during the movement of the carriage in an opposite direction. The bar comprises a ramp (36) inclined to the clamp, such that the clamp is displaced by moving the carriage along the ramp, where the spacer is pre-stressed in a coupling condition of the carriage.

Description

The invention relates to a spacer for a carriage of a shading system, in particular vertical blind, with a coupling piece for detachable coupling with the carriage. Furthermore, the invention relates to a shading system, in particular vertical blinds, with carriages movably guided in a mounting rail, of which the carriage closest to one end of the mounting rail - end carriage - is held by means of a spacer to a predetermined position.

Such a spacer or such shading system is from the EP 1 111 184 B1 known.

The invention is primarily concerned with vertical blinds, but is analogous to other shading systems, such as horizontal blinds, in which the shading curtain is held on movably guided in a support rail carriage used. For vertical blinds, the mounting rail is mounted horizontally in the window reveal or on a building wall or ceiling. By means of carriages, the actual curtain, namely individual Vertical slats held on the support rail, wherein the curtain can be moved up and pulled in at transverse to the window plane oriented vertical slats by means of a at a foremost carriage, generally referred to as a train carriage attached cable. This train carriage successively draws on trailing carriages via spacers. Further, a swivel gear is arranged in the carriage, which pivots about a pivot shaft, the vertical slats about its vertical longitudinal axis. When tilted in a plane parallel to the window plane vertical slats should in particular arranged within a window reveal vertical blinds of the distance of one end of the support rail nearest carriage, generally referred to as Endwagen correspond to approximately half the slat width, so that the slat does not hit the inside against the window reveal. However, if the slats are then pivoted in a direction transverse to the window plane direction and the vertical blind opened by the carriages are pulled to the package against the end car, remains between the window reveal and hanging on the end car vertical slat an optically unattractive gap of about half the slat width.

To avoid this disadvantage, for example, by the DE 35 25 590 A1 has been proposed to use a cord as a spacer for the end car. When pulling the curtain to a disc pack, the cord lays to a loop and the end car can be moved completely against the end of the support rail. However, when pulling up the curtain, the cord at the endcar stops at a predetermined maximum distance from the end of the mounting rail. Similar solutions are also known from the CH 608 858 A5 in which a chain is proposed, or the US 4,958,672 , which proposes a folding over a film hinge spacers. All these solutions have in common that the end car can not be solved in a satisfactory manner from the spacer to proceed the disk pack, for example, for window cleaning completely in the direction of the center of the support rail.

From the DE 36 20 039 C2 Although a solution is known in which the end car is connected to a fixedly arranged in the support rail spacers via a clip connection and easily disengaged from this spacer can be brought. However, this solution has the disadvantage that the distance between the end of the support rail and the end car is fixed and the end car can not move closer to the end of the support rail. This disadvantage is due to the solution according to the already mentioned EP 1 111 184 B1 overcome. In the vertical blind shown therein, a movable end stop is used, which can be moved only over an area corresponding to half a slat width on the mounting rail. In addition, this end stop is detachably connected to the end car, so that the End car can be disengaged, for example, for window cleaning. This solution is quite complicated in its structural design.

Proceeding from this, the invention is based on the problem of proposing a spacer and a shading system with such a spacer, which is as simple as possible in its structural design and yet a complete process of the disk set against the end of the support rail and a simple complete release of the end of the carriage allows.

To solve this problem, the spacer according to the invention is characterized in that the carriage is designed as a final carriage and cooperates with an actuating means which disengages the coupling piece in a process of the carriage in one direction and brings in process of the carriage in the opposite direction again , The shading system is to solve this problem characterized in that the spacer has a cooperating with the end carriage actuator which brings the spacer in the process of the final carriage in a direction out of engagement and in the method of the end car in the opposite direction again engaged.

When the curtain is closed, the end car is held by the spacer at the predetermined position. Now, if the lamellae are moved together to form a package, the other carriage push the endcar towards the end of the mounting rail. In this case, the spacer is disengaged by the actuator and all carriages, including the end car, can be moved in the direction of the end of the support rail. In this case, the other carriages can be moved beyond the position defined by the spacer for the end car in itself position. Due to the actuator of the disengagement of the coupling piece and these are initially not held by the coupling piece in the process in the opposite direction. Only when the end car is held in its predetermined position when pulling the curtain, the coupling piece comes back into engagement with the end car and keeps it in the predetermined position.

According to a structural embodiment of the invention, the coupling piece is designed as a hook. The hook itself prevents the carriage from being moved beyond the predetermined position in one direction and thus constitutes a stop for the carriage while the hook releases the carriage in the opposite direction.

So now also subsequent carriage, which are not end cars, can be moved beyond the hook, when the curtain is closed, must the hook are disengaged until the end car has reached its predetermined position. For this purpose, it is provided according to a development of the invention to equip the actuator with a directed away from the hook rising ramp. By moving the endcarriage along the ramp, the hook is pivoted out of engagement. In order to make sure that the hook does not already engage behind one of the carriages, which are not yet Endwagen, the carriage should be seen in the direction of travel, the maximum length of the ramp be as large as the width of the end car. A return of the hook in the coupling position is preferably carried out by a spring bias of the spacer. For this purpose, the spacer may be formed as elastically bending single-sided clamped beam.

Not always the function described above, that the end car can be moved closer to the end cap, desired. In order to provide a universally applicable shading system, it is therefore desirable that the spacer be formed so that this function can be disabled. For this purpose, according to an independently conceivable embodiment of the invention, a locking means on the spacer, which completely locks the end carriage together with the hook. The hook thus forms a stop for the one direction of travel of the carriage (closing direction of the curtain), while the locking means is a stop in the opposite direction (opening direction of the curtain). The end car is firmly positioned between the hook and the locking means. Preferably, this locking means is pivotally mounted on the spacer. By simply swiveling it can be put into or out of function.

Fig. 1

einen Laufzug mit Endkappen und weiteren Funktionselementen einer Vertikaljalousie mit den Erfindungsmerkmalen in perspektivischer Draufsicht,

Fig. 2

den Laufzug gemäß Fig. 1 in Unteransicht mit zum Paket gefahrenem Laufwagen,

Fig. 3

den Laufzug gemäß Fig. 2 im Vertikalschnitt in der Ebene III - III,

Fig. 4

den Laufzug gemäß Fig. 2 in perspektivischer Unteransicht,

Fig. 5

den Laufzug gemäß Fig. 1 bei auseinandergefahrenen Laufwagen in Unteransicht,

Fig. 6

den Laufzug gemäß Fig. 5 im Vertikalschnitt in der Ebene VI - VI,

Fig. 7

den Laufzug gemäß Fig. 5 in perspektivischer Unteransicht,

Fig. 8

eine Endkappe mit einem Abstandhalter mit den Erfindungsmerkmalen in perspektivischer Unteransicht mit einem Arretiermittel in einer ersten Funktionsstellung,

Fig.9

die Endkappe gemäß Fig. 8 mit dem Arretiermittel in einer Zwischenstellung,

Fig. 10

die Endkappe gemäß Fig. 8 mit dem Arretiermittel in einer zweiten Funktionsstellung,

Fig. 11

eine Endkappe mit Endwagen bei geschlossenem Behang,

Fig. 12

die Endkappe mit Endwagen gemäß Fig. 11 bei teilgeöffnetem Behang,

Fig. 13

die Endkappe mit Endwagen gemäß Fig. 11 mit weiteren Laufwagen bei weiter geöffnetem Behang (fast erreichter Paketstellung des Behangs).

The invention will be explained in more detail with reference to an embodiment shown in the drawing. In the drawing show:

Fig. 1

a Laufzug with end caps and other functional elements of a vertical blind with the features of the invention in a perspective plan view,

Fig. 2

the draft according to Fig. 1 in bottom view with the carriage driven to the package,

Fig. 3

the draft according to Fig. 2 in vertical section in the plane III - III,

Fig. 4

the draft according to Fig. 2 in perspective bottom view,

Fig. 5

the draft according to Fig. 1 when the carriage is moved apart in a lower view,

Fig. 6

the draft according to Fig. 5 in vertical section in the plane VI - VI,

Fig. 7

the draft according to Fig. 5 in perspective bottom view,

Fig. 8

an end cap with a spacer with the features of the invention in a perspective bottom view with a locking means in a first functional position,

Figure 9

the end cap according to Fig. 8 with the locking means in an intermediate position,

Fig. 10

the end cap according to Fig. 8 with the locking means in a second functional position,

Fig. 11

an end cap with end car with closed curtain,

Fig. 12

the end cap with end carriage according to Fig. 11 with partially opened curtain,

Fig. 13

the end cap with end carriage according to Fig. 11 with further carriages with further open hangings (almost achieved package position of the curtain).

Fig. 1 shows a Laufzug, the sake of simplicity, here only four carriages 20, 21, 22 and 23 consists. This carriage 20..23 are movably guided in a support rail, not shown here in the longitudinal direction of the support rail. This support rail is closed by means of two end caps 24, 25 on the front side. In the Fig. 1 left end cap 24 has only one deflection means for a circulating pull cord 26 and a pivot bearing for a turning shaft 27. The opposite end cap 25, which is also referred to in part as a functional cap, has deflection means for the pull cord 26, by means of which the pull cord 26 is guided out of the mounting rail down so that it can be detected by the operator. Further, the end cap 25 carries a circumferential chain 28, which cooperates with a pinion within the end cap 25 and by means of which the turning shaft 27 can be rotated about its longitudinal axis. This rotational movement is converted via known transmission within the carriage 20..23 in a pivoting movement of the hanging on the carriage 20..23 vertical slats.

The in Fig. 1 the leftmost carriage 20 serves as a train carriage. A run 29 of the pull cord 26 is fixedly connected to the carriage 20, while the other strand 30 is slidably passed through the carriage 20. In addition, both strands 29, 30 slidably passed through all other carriages 21, 22, 23. By pulling the strand 29 of the carriage 20 is moved in the direction of the end cap 25 and thereby opened the curtain. When the operator pulls on the other run 30, the carriage 20 is moved in the direction of the other end cap 24, thereby closing the curtain. Distance strips 31 thereby pull the other carriages 21, 22, 23 in a conventional manner. In doing so, the in Fig. 1 Carriage shown on the right, which is hereinafter referred to as Endwagen 23, be spaced by a maximum of half the slat width of the end cap 25 to allow complete closing of the curtain by pivoting the slats in a plane parallel to the window plane. At a greater distance a light gap between the curtain and the window reveal would arise, while too small a distance can cause an edge of the slat against the window reveal. For this purpose, a spacer 32, the function of which is based on the Fig. 11 to 13 is explained in more detail.

The spacer 32 is resiliently mounted on its associated end cap, here on the end cap 25. In the present case, the spacer 32 is fixedly attached to the end cap 25, that by bending its end cap 25 facing the end 33, the resilient connection is made. The spacer 32 can thereby be pivoted in a plane parallel to the window plane or within the Behangbene. At its free, the end 33 opposite end of the spacer 32 has a coupling piece, namely a hook 34, on. By means of the hook 34, the end car 23 can hook into the spacer 32, so that the end carriage 23 in the illustrations according to Fig. 11 to 13 not further to the right, so away from the associated end cap 25, can be moved. As a result, the end carriage 23 is held at a maximum distance to the end cap 25, which corresponds to half the slat width.

The spacer 32 further comprises an upright web 35, which in the present case is arranged laterally on the spacer 32 (see, for example Fig. 2 and 5 ). This upright web 35 has, at its end facing the hook 34, a ramp 36 rising away from the hook 34. The length of this ramp 36 seen in the longitudinal direction of the spacer 32 and thus their slope is maximally as long as the width, also seen in the longitudinal direction of the spacer 32, the end car 23 and the other carriage 20, 21, 22. The reason for this from the following description even more apparent. The upright web 35 further has a second ramp 37 which drops evenly towards the end cap 25, said second ramp 37 engaging with the first, the hook 34 facing ramp 36 is flush, so that a common edge 38 is formed.

If the end carriage 23 is then displaced by the following carriage 22 in the direction of the end cap 25, a web 39 presses the hook 34 in the illustration according to FIG Fig. 11 to 13 down by sliding along the ramp 36. As a result, the hook 34 is disengaged from the end carriage 23 and also the following carriages 21, 22 can be pushed onto the spacer 32, without the hook 34 comes into engagement with these carriages 21, 22, so that all carriages 20..23 over the hook 34 can be pushed together to form a package. The webs 39 of all carriage 20..23 hold the spacer 32 namely by means of the gently sloping ramp 37 in the depressed down position, which actually corresponds to an upwardly pressed position. From this it is also clear why the axial length of the hook 34 facing the ramp 36 may not exceed the width of a carriage 20..23. Specifically, the axial length of this ramp 36 may correspond to a maximum of the clearance between the two webs 39 one and the same carriage 20..23, as he otherwise when pulling the blind behind a freely movable carriage 20..22 and not only in the end car 23 would snap. At the same time the slope of this ramp 36 should be chosen so flat that as little force must be used to bring the hook 34 out of engagement. With these dimensions, so subsequent carriage 20..22 can postpone with the spacer 32. At the same time, the following carriage 20..22, as in particular the example of the carriage 21 in Fig. 13 recognizable, are moved away from the end cap 25, without getting into engagement with the hook 34. Only when the end car 23 is pushed down by the end cap 25 inclined to flat ramp 37, so the edge 38 has exceeded, the hook 34 facing ramp 36 slides along the web 39 and the hook 34 pivots due to the spring force of the end 33 in the engaged position according to Fig. 11 , The end car 23 will now be in the in Fig. 11 held position shown.

Not always the function described above is that the endcar 23 can be moved completely towards the end cap 25, desired. For this reason, the spacer 32 is associated with a locking means 40, which is designed so that it either the end car 23 completely blocked or in the sense of the basis of Fig. 11 to 13 function described. The latter position of the locking means 40 is in the Fig. 11 to 13 shown. As can be seen there, the locking means 40 is pivotally supported on the spacer 32. It has for this purpose a nipple 41, which engages in a complementary bore 42 in the spacer 32 in the sense of a hinge connection. Of course can in the sense of a kinematic reversal of the nipple 41 and the spacer 32 and the bore 42 are assigned to the locking means 40.

At its opposite end of the nipple 41, the locking means 40 an upright, directed away from the spacer 32 locking web 43, which at the in the Fig. 11 to 13 shown position, which is hereinafter referred to as rearwardly pivoted position, is arranged so that it does not hinder the displacement of the end car 23 within the predetermined range. This position of the locking means 40 is also in Fig. 10 shown. Should now be based on the Fig. 11 to 13 described function is overridden, the locking means 40 to the nipple 41 by 180 ° in the in Fig. 8 swung position shown. Fig. 9 shows for clarity an intermediate position of the locking means 40. Between the hook 34 and the Arretiersteg 43 thereby creates a gap 44 which is just so wide that it can absorb the web 39 on Endwagen 23 fed, as this particular in the Fig. 3 and 6 is particularly easy to recognize. Like from the Fig. 2 to 7 can be seen, the end car 23 is now always held in its predetermined position and can not be further moved to the end cap 25, even if the carriage 20..23, as in Fig. 2 to 4 shown, went to the package.

In order to be able to completely move the hanging package away from the window reveal, the end carriage 23 should be completely detachable from the spacer 32. This is done in a simple manner in that the spacer 32 by the operator, possibly with the aid of a suitable tool, is pivoted so that the hook 34 is disengaged from the web 39 of the endcar 23. Specifically, this is a thickening 45 provided laterally on the spacer 32. This thickening 45 is located in an area which is always freely accessible to the operator through the mounting rail. Aids are not required.

The end car can now be moved away from the end cap 25 away. The disk pack can be moved freely on the mounting rail, so that the window can be cleaned in a comfortable way.

LIST OF REFERENCE NUMBERS

20

Carriage (train carriage)

21

carriage

22

carriage

23

Carriage (Endcarriage)

24

endcap

25

endcap

26

drawstring

27

turning shaft

28

Chain

29

Trum

30

Trum

31

spacer strips

32

spacer

33

The End

34

hook

35

web

36

ramp

37

ramp

38

edge

39

web

40

locking

41

nipple

42

drilling

43

locking web

44

gap

Claims (14)

Spacer for a carriage (23) of a shading system, in particular a vertical blind, with a coupling piece (34) for detachable coupling with the carriage (23), characterized in that the carriage (23) is designed as a final carriage and with an actuating means (35 ) which disengages the coupling piece (34) in one direction during movement of the carriage (23) and re-engages in the opposite direction when the carriage (23) moves. Spacer according to claim 1, characterized in that the coupling piece (34) is a hook. Spacer according to Claim 1 or 2, characterized in that the actuating member (35) comprises a ramp (36) rising in a direction away from the coupling piece (34), such that the coupling piece (34) can be moved along the ramp (36) by displacing the carriage (23) ) is pivoted out of engagement. Spacer according to claim 3, characterized in that seen in the direction of travel of the carriage (23), the length of the ramp (36) corresponds at most to the width of the carriage (23). Spacer according to one of claims 1 to 4, characterized in that the spacer (32) in the coupling position of the coupling piece (34) is biased. Spacer according to one of claims 1 to 5, characterized by a locking means (40) which locks the carriage (23) in a direction away from the coupling piece (34) direction. Spacer according to claim 6, characterized in that the locking means (40) is pivotally mounted on the spacer (32). Shading system, in particular vertical blind with movable guided in the support rail carriage (20, 21, 22, 23) of which the one end of the mounting rail closest carriage - end wagons (23) - by means of a spacer (32) is held at a predetermined position, characterized characterized in that the spacer (32) is one with the end car (23) cooperating actuating member (35), which brings the spacer in the process of the end car in a direction out of engagement and in the process of the Endwagens (23) in the opposite direction again engages. Shading installation according to claim 8, characterized in that the spacer (32) has a coupling piece (34), in particular a hook. Shading installation according to Claim 9, characterized in that the actuating member (35) comprises a rising ramp (36) directed away from the coupling piece (34), such that the coupling piece (34) can be displaced by displacing the endcarriage (23) along the ramp (36) Intervention is pivoted. Shading installation according to Claim 10, characterized in that , viewed in the direction of travel of the carriage (20, 21, 22, 23), the length of the ramp (36) corresponds at most to the width of the endcarriage (23). Shading installation according to one of Claims 9 to 11, characterized in that the spacer (32) is prestressed in the coupling position of the coupling piece (34). Shading installation according to one of Claims 1 to 12, characterized by a locking means (40) which completely locks the end carriage (23) together with the coupling piece (34). Shading installation according to claim 13, characterized in that the locking means (40) is pivotally mounted on the spacer (32).

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