DE202018105461U1 - Safety device of a window curtain - Google Patents

Abstract

A safety device for a window curtain, comprising: - a mounting bracket (1) having a first end and a second end facing each other, a recess (11) being formed at the second end of the mounting bracket (1); 2) having a first end and a second end facing each other, wherein the first end of the mounting bracket (2) is connected to the second end of the mounting bracket (1) so that a receiving space (21) for receiving a chain disk between the mounting bracket (2) and the mounting bracket (1) is formed, wherein at the second end of the mounting bracket (2) a first concavity (22) is formed, in the middle of its bottom side has a through hole (23) which is continuous to the the first end of the mounting bracket (2), wherein the through hole (23) communicates with the receiving space (21), - a chain disk (3) extending in d a receiving space (21) is located, wherein a first end and a second end which are opposite each other, on the chain disc (3) are formed, wherein in the middle of the first end of the chain disc (3) has a projection (31) is arranged is fitted to and connected to the recess (11) at the second end of the mounting bracket (1), and wherein a second concavity (32) is formed in the middle of the second end of the chain disk (3); 4) having a first end and a second end facing each other, wherein the first drive member (4) is located in the second concavity (32) of the sprocket (3), and wherein a tapered end portion (43) on the second End of the first drive element (4) is formed, wherein a plurality of first ribs (431) on the conical end portion (43) of the first drive element (4) is arranged - a spring element (5) in the second concavity (3 2) of the chain disc (3) is arranged, wherein the spring element (5) rests on the one hand on the bottom surface of the second concavity (32) of the chain disc (3) and on the other hand on the first end of the first drive element (4); and - a second drive element (6) located in the first concavity (22) of the mounting bracket (2), the second drive element (6) having a first end and a second end facing each other, wherein in the center of a conical recess (62) aligned with the through hole (23) of the mounting bracket (2) is formed on the first end of the second drive member (6), a plurality of second ribs (621) being disposed on the recess wall, and the tapered end portion (43 ) of the first drive element (4) is received in the conical recess (62) of the second drive element (6) such that the first ribs (431) on the conical end section (43) and the second ribs (621) in the conical recess (FIG. 62) abut each other and are thereby positioned.

Description

Technical area

The invention relates to a safety device, in particular a safety device of a window curtain, which not only allows a ball chain is separated by an external force from a sprocket to protect infants from strangulation, but also allows the separate ball chain back into a simple Recording room of the safety device can be brought.

State of the art

From the publication TW M530617 U ("Ball chain drive with a safety separation system") is known for a window curtain safety device in which a ball chain can be separated, inter alia, by a separation of a sprocket, when the ball chain wraps around the neck of a toddler and the toddler with all his strength tries to get rid of the ball chain wrapped around his neck to avoid risk of strangulation. A disadvantage, however, in the proposed solution that an outer tube of a commercial window curtain is usually attached to a comparatively high place, with an end attached to the outer tube mounting bracket is usually adjacent to a wall surface of a building, which leads to a hinged with the Mounting bracket Connected cover touches the wall surface of the building when the cover is opened by a sliding movement of the ball chain, so that the cover is limited by a certain opening angle.

Because of this, it is difficult for a user to re-attach the ball chain loosened by the separation from the chain disc because the cover can not be fully opened due to the wall surface of the building. In addition, the attachment of the ball chain to the sprocket is made more difficult because the attached to the outer tube of the window curtain mounting bracket is usually attached to a relatively high place.

Object of the invention

The invention is therefore based on the object to provide a safety device for a window curtain, which not only allows the ball chain is separated by an external force from the sprocket, thereby protecting infants from strangulation, but also allows the separate ball chain easy can be returned to a receiving space of the security device.

Technical solution

This object is achieved by a safety device for a window curtain, which has the features specified in claim 1. Further advantageous developments of the invention will become apparent from the dependent claims.

According to the invention, there is provided a safety device for a window curtain in which a chain disc is formed with a second concavity in which a spring element and a first drive element are mounted, wherein the chain plate is mounted in a receiving space formed on a mounting bracket and a mounting bracket. It is thereby realized that a partial force displacing the first drive element in a direction facing the sprocket is generated under the guidance of a conical end portion of the first drive element and a conical recess of a second drive element, so that the first drive element in the concave of the sprocket is pressed, wherein the conical end portion of the first drive element is separated from the conical recess of the second drive element when a toddler with full force on a looped around his neck ball chain, whereby the toddler is released from the looped around his neck ball chain. In addition, the sprocket and the ball chain can be easily put back into the receiving space, wherein the spring element and the first drive element are first inserted into the concave in sequence. Then, the sprocket and the ball chain are mounted in the receiving space. Finally, the first drive element is returned to its original position by the pressure of the spring element, so that the first drive element and the second drive element engage in one another and are thereby positioned.

list of figures

• 1 eine perspektivische Explosionsdarstellung eines bevorzugten Ausführungsbeispiels einer erfindungsgemäßen Sicherheitsvorrichtung eines Fenstervorhangs;
• 2 eine teilweise vergrößerte, perspektivische Explosionsdarstellung des bevorzugten Ausführungsbeispiels der erfindungsgemäßen Sicherheitsvorrichtung eines Fenstervorhangs;
• 3 eine weitere, teilweise vergrößerte, perspektivische Explosionsdarstellung des bevorzugten Ausführungsbeispiels der erfindungsgemäßen Sicherheitsvorrichtung eines Fenstervorhangs;
• 4 eine Schnittansicht des bevorzugten Ausführungsbeispiels der erfindungsgemäßen Sicherheitsvorrichtung eines Fenstervorhangs; und
• 5 eine Schnittansicht des bevorzugten Ausführungsbeispiels der erfindungsgemäßen Sicherheitsvorrichtung eines Fenstervorhangs, wobei die Kettenscheibe abgetrennt ist.

In the following the invention and its embodiments will be explained in more detail with reference to the accompanying drawings. In the drawings shows:

• 1 an exploded perspective view of a preferred embodiment of a security device according to the invention a window curtain;
• 2 a partially enlarged, exploded perspective view of the preferred embodiment of the invention security device of a window curtain;
• 3 a further, partially enlarged, exploded perspective view of the preferred embodiment of the safety device according to the invention a window curtain;
• 4 a sectional view of the preferred embodiment of the invention security device of a window curtain; and
• 5 a sectional view of the preferred embodiment of the safety device according to the invention a window curtain, wherein the sprocket is separated.

Detailed Description of the Preferred Embodiment

According to 1 to 4 For example, a safety device according to the invention for a window curtain essentially comprises a fastening holder 1 , a mounting bracket 2 , a chain wheel 3 , a first drive element 4 , a spring element 5 , a second drive element 6 , a socket 7 and a drive rod 8th ,

At the mounting bracket 1 are formed a first end and a second end, which face each other, wherein a conical recess 11 at the second end of the mounting bracket 1 is trained. Bottom edge on the mounting bracket 1 are two opposing tabs 12 arranged between which an insertion opening 13 is trained. The mounting bracket 1 has at least on one of its side walls attached thereto Velcro 14 on that, a plurality of barbs 141 includes. In a preferred embodiment of the present invention, the mounting bracket 1 on each of its two opposite side walls a Velcro strip 14 on.

At the mounting bracket 2 are formed a first end and a second end, which are opposite to each other. The first end of the mounting bracket 2 connects to the second end of the mounting bracket 1 connected, creating a recording room 21 , which serves to receive a sprocket, between the mounting bracket 2 and the mounting bracket 1 is trained. At the second end of the mounting bracket 2 is a first concavity 22 formed, in the middle of its bottom side a through hole 23 which passes through the first end of the mounting bracket 2 runs, with the through hole 23 with the recording room 21 connected is. Bottom edge on the mounting bracket 2 are also two opposite tabs 24 arranged between which an insertion opening 25 is trained. There is also a positioning pin 26 formed, the two sides each have a first stop 261 and a second stop 262 has, which are arranged at a distance from each other closely adjacent, so that an insert section 263 between the first stop 261 and the second stop 262 is trained. The two sides of the positioning pin 26 trained insert sections 263 be separated from each other at the between the two tabs 12 the mounting bracket 1 located insertion opening 13 and the one between the two tabs 24 the mounting bracket 2 located insertion opening 25 clamped, so the first stops 261 and the second stops 262 , on both sides of the positioning pin 26 are formed, on two opposite end faces of the two tabs 12 the mounting bracket 1 and the two tabs 24 the mounting bracket 2 abut and thereby be positioned.

The chain wheel 3 is located in the recording room 21 wherein a first end and a second end which face each other are attached to the sprocket 3 are formed. In the middle of the first end of the chainring 3 is a cone-shaped projection 31 formed on the conical recess 11 the mounting bracket 1 adapted and connected to it. In the middle of the second end of the chainring 3 is also a second concave 32 formed on the inner wall a plurality of guide projections 33 is formed, wherein each of the guide projections 33 on an opening side of the second concavity 32 a first locking flange 331 having.

At the first drive element 4 are formed a first end and a second end, which are opposite to each other. The first drive element 4 is in the second concavity 32 the sprocket 3 attached, wherein the second end of the first drive element 4 from the second concavity 32 the sprocket 3 protrudes. Outer periphery side on the first drive element 4 is a plurality of guide grooves 41 formed, which are arranged at a distance from each other and from the first end of the first drive element 4 extend in the direction of the second end. The guide projections 33 in the second concavity 32 the sprocket 3 are mounted so that they are separated from each other each in a corresponding guide groove 41 engage, with the guide grooves 41 at the first end of the first drive element 4 each a second locking flange 411 have, which against the first locking flange 331 a corresponding leadership projection 33 the sprocket 3 is pressed and thereby positioned. There is also a third concave 42 in the middle of the first end of the first drive element 4 formed while a tapered end portion 43 at the second end of the first drive element 4 is arranged, wherein a plurality of first ribs 431 , the are arranged equidistantly, at the conical end portion 43 of the first drive element 4 is trained.

It is the spring element 5 around a compression spring, which is in the second concavity 32 the sprocket 3 and the third concavity 42 of the first drive element 4 is located, wherein the spring element 5 on both sides separately from each other against the bottom of the second concavity 32 the sprocket 3 and the bottom of the third concavity 42 at the first end of the first drive element 4 is pressed.

The second drive element 6 is in the first concavity 22 the mounting bracket 2 wherein the second drive element 6 has a first end and a second end which are opposed to each other. In the middle of the first end of the second drive element 6 is a convex connecting section 61 arranged, located in the through hole 23 the mounting bracket 2 located so that the first end of the second drive element 6 and the bottom of the first concavity 22 the mounting bracket 2 pressed against each other and thereby positioned. In the middle of the end of the connecting section 61 is a cone-shaped recess 62 formed, in which there are several second ribs 621 located, which are arranged equidistantly on the recess wall. The conical recess 62 has a concave opening in the middle of its bottom 622 on. The conical end section 43 of the first drive element 4 is located in the conical recess 62 of the second drive element 6 , where the first ribs 431 at the conical end portion 43 and the second ribs 621 in the conical recess 62 abut each other and thereby be positioned so that the conical end portion 43 in the concave opening 622 the conical recess 62 located. In addition, a polygonal connection groove 63 For example, a rectangular connecting groove, at the second end of the second drive element 6 educated.

At the socket 7 are formed a first end and a second end, which are opposite to each other. The first end of the socket 7 comes with the second end of the mounting bracket 2 connected. In the middle of the second end of the socket 7 is a fourth concavity 71 formed, in the middle of its bottom a through hole 72 has, the continuous to the first end of the socket 7 runs, wherein the through hole 72 on the connection groove 63 of the second drive element 6 is aligned.

The drive rod 8th is executed in a polygonal shape. For example, the drive rod may be designed in a rectangular shape. At the drive rod 8th are formed a first end and a second end which are opposed to each other, wherein the first end of the drive rod 8th through the through hole 72 the fourth concavity 71 the socket 7 inserted through and with the connecting groove 63 of the second drive element 6 connected is.

When assembling, the second end of the mounting bracket 1 with the first end of the mounting bracket 2 connected, creating a recording room 21 between the mounting bracket 1 and the mounting bracket 2 is formed, in which the chain disk 3 is attached. Then the second drive element 6 in the through hole 23 the mounting bracket 2 appropriate. Subsequently, the first end of the socket 7 with the second end of the mounting bracket 2 connected, the first end of the drive rod 8th from the fourth concavity 71 the socket 7 through the through hole 72 inserted through and with the connecting groove 63 of the second drive element 6 is connected. After that, the spring element 5 and the first drive element 4 in turn in the second concavity 32 attached, with the two sides of the spring element 5 at the bottom of the second concavity 32 the sprocket 3 and the bottom of the third concavity 42 of the first drive element 4 abut, so that in the second concavity 32 the sprocket 3 trained Führungsvorsprünge 33 in the circumference of the first drive element 4 trained guide grooves 41 can intervene. In this case, the end to the guide projections 33 trained, first locking flanges 331 and those in the guide grooves 41 trained, second locking flanges 411 pressed against each other, causing the chain disc 3 , the first drive element 4 and the spring element 5 be fixed in a case-trained assembly state. Then a ball chain 9 around the chain wheel 3 looped, wherein the first drive element 4 in one to the chain disc 3 direction is pressed so that the first drive element 4 into the second concavity 32 the sprocket 3 is pressed in, with the intermediate spring element 5 is compressed. This will cause the chainring 3 , the first drive element 4 and the spring element 5 , which are assembled together, and those around the chain disc 3 looped ball chain 9 in the recording room 21 appropriate. When the first drive element 4 at the through hole 23 the mounting bracket 2 is no longer through the recording room 21 limited, wherein the spring element 5 is returned to its original shape, which allows that when the first drive element 4 to the through hole 23 the mounting bracket 2 is moved, the conical end portion 43 of the first drive element 4 accordingly in the conical recess 62 is recorded while the first ribs 431 at the conical end portion 43 and the second ribs 621 at the conical recess 62 snap into each other and thereby be positioned. Finally, the two on both sides of the positioning 26 trained insert sections 263 separated from each other in the between two tabs 12 trained insertion opening 13 the mounting bracket 1 and between two tabs 24 trained insertion opening 25 the mounting bracket 2 inserted, whereby a transport lock is realized, so that the receiving space 21 is not unintentionally deformed by an external force during transport or storage, since the positioning pin 26 the two opposite end faces of the bottom edge side of the mounting bracket 1 and the mounting bracket 2 trained tabs 12 . 24 holds when the mounting bracket 1 and the mounting position 2 be pressed by an external force. Thus, the assembly of the window curtain safety device according to the present invention is completed.

When in use on the ball chain 9 is pulled, the first drive element 4 through the chain wheel 3 driven to a rotation. Due to the above-described design that the first ribs 431 at the conical end portion 43 of the first drive element 4 are formed, and the second ribs 621 which are in the cone-shaped recess 62 of the second drive element 6 are formed, snap into each other, the second drive element 6 while simultaneously rotated, wherein the with the second drive element 6 connected drive rod 8th is rotated so that one with the second end of the drive rod 8th connected curtain rod is also driven for movement, whereby a curtain fabric attached thereto is pulled up or lowered.

If a toddler with the ball chain 9 plays and thereby the ball chain 9 accidentally wraps around the toddler's neck, the toddler will leave no stone unturned from the ball chain 9 break away. Under the guidance of the conical end section 43 of the first drive element 4 and the conical recess 62 of the second drive element 6 In this situation, a partial force is generated, which is the first drive element 4 in the direction of the chain disc 3 shifts so that the first drive element 4 into the second concavity 32 the sprocket 3 is pressed, wherein the conical end portion 43 of the first drive element 4 from the conical recess 62 of the second drive element 6 what is separated in the attached drawing 5 is shown. Due to the guide through the conical projection 31 the sprocket 3 and the conical depression 11 the mounting bracket 1 In addition, a further partial force is generated, the chain wheel 3 in the direction of the first drive element 4 shifts so that the sprocket 3 a bit in the direction of the first drive element 4 is moved, causing the conical projection 31 from the conical depression 11 is disconnected. This will realize that the sprocket 3 , the first drive element 4 , the spring element 5 and the ball chain 9 easily from the recording room 21 be solved, for example, when a toddler exerts a force to separate the ball chain, so that the toddler, for example, from a wound around his neck ball chain 9 free, thereby avoiding a strangulation risk. If the above components, such as the sprocket 3 and the like, from the recording room 21 will be solved, also the positioning pin 26 knocked and together with the above parts from the mounting bracket 1 and the mounting bracket 2 solved.

If the user has the sprocket 3 , the first drive element 4 , the spring element 5 and the ball chain 9 later again in the on the mounting bracket 1 and the mounting bracket 2 trained recording room 21 In addition, he essentially only needs the spring element 5 and the first drive element 4 successively back into the second concavity 32 the sprocket 3 insert, with the guide projections 33 at the second concavity 32 the sprocket 3 in the guide grooves 41 of the first drive element 4 intervene, eliminating the sprocket 3 , the first drive element 4 and the spring element 5 be attached to each other. Then the ball chain 9 around the chain wheel 3 looped, wherein the first drive element 4 in the chainring 3 direction is pressed so that the first drive element 4 into the second concavity 32 the sprocket 3 is pressed. This will realize that the chain wheel 3 , the first drive element 4 , the spring element 5 and the ball chain 9 again in the recording room 21 to be built in. When the first drive element 4 at the through hole 23 the mounting bracket 2 is shifted, becomes the first drive element 4 due to a through the spring element 5 generated restoring force returned to its original position, wherein the conical end portion 43 of the first drive element 4 in the conical recess 62 of the second drive element 6 is located, with the first ribs 431 at the conical end portion 43 and the second ribs 621 in the conical recess 62 snap into each other and be positioned thereby, causing the sprocket 3 , the first drive element 4 , the spring element 5 and the ball chain 9 again in the recording room 21 be attached. Because the mounting bracket 1 and the mounting bracket 2 also already at a higher place fastened, the user need no longer fear that they will be pressed down during transport or storage. Thus, the user can decide for themselves whether the positioning pin 26 is attached again or not.

It should be noted that the barbs 141 the side of the mounting bracket 1 attached Velcro straps 14 can use, when a window curtain is attached, wherein an inside attached to a side edge of a curtain fabric Velcro can be provided with loops that at the barbs 141 can be attached, making the curtain fabric laterally quite smooth on the mounting bracket 1 can be fixed so that no gap due to a folded or floating edge of the fabric is formed laterally on the curtain fabric, which can be avoided that unwanted sunlight through the gap can fall into a space.

In summary, the present invention thus relates to a safety device for a window curtain, which is characterized in that a chain disk 3 with a second concavity 32 in which a spring element 5 and a first drive element 4 are installed in one on a mounting bracket 1 and a mounting bracket 2 trained recording room 21 is appropriate. This realizes that under the guidance of a conical end portion 43 from the first drive element 4 and a conical recess 62 a second drive element 6 a partial force can be generated, which is the first drive element 4 in the direction of the chain disc 3 shifts so that the first drive element 4 into a corresponding concavity 32 the sprocket 3 is pressed, wherein the conical end portion 43 of the first drive element 4 from the conical recess 62 of the second drive element 6 is disconnected when pulling with a certain force on the ball chain, for example, when a toddler with all his strength on a looped around his neck ball chain 9 pull that separates as a result of which the toddler from the ball chain wound around his neck 9 is released. In addition, the chain disc can be 3 and the ball chain 9 quite simply back in the recording room 21 attach, wherein the spring element 5 and the first drive element 4 first in turn into the concavity 32 be inserted. Then the sprocket 3 and the ball chain 9 in the recording room 21 appropriate. Finally, the first drive element 4 by the pressure of the spring element 5 returned to its original position, so that the first drive element 4 and the second drive element 6 snap into each other and thereby be positioned.

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• TW M530617 U [0002]

Claims (13)

Safety device for a window curtain, comprising: - A mounting bracket (1) having a first end and a second end, which face each other, wherein a recess (11) at the second end of the mounting bracket (1) is formed; - A mounting bracket (2) having a first end and a second end, which face each other, wherein the first end of the mounting bracket (2) with the second end of the mounting bracket (1) is connected to a receiving space (21) for Receiving a chain disc between the mounting bracket (2) and the mounting bracket (1) is formed, wherein at the second end of the mounting bracket (2) a first concavity (22) is formed having a through hole (23) in the center of its bottom side, which extends continuously to the first end of the mounting bracket (2), the through-hole (23) communicating with the receiving space (21); a sprocket (3) located in the receiving space (21), a first end and a second end facing each other being formed on the sprocket (3), in the middle of the first end of the sprocket (3 ) is arranged a projection (31) which is adapted to the recess (11) at the second end of the mounting bracket (1) and is connected thereto, and wherein in the middle of the second end of the chain disc (3) has a second concavity ( 32) is formed; a first drive element (4) having a first end and a second end facing each other, the first drive element (4) being located in the second concavity (32) of the sprocket (3), and a conical end section (Fig. 43) is formed at the second end of the first drive member (4), wherein a plurality of first ribs (431) is disposed on the tapered end portion (43) of the first drive member (4); - A spring element (5) which is arranged in the second concavity (32) of the chain disc (3), wherein the spring element (5) on the one hand on the bottom surface of the second concave (32) of the chain disc (3) and on the other hand at the first end the first drive element (4) is applied; and a second drive element (6) located in the first concavity (22) of the mounting bracket (2), the second drive element (6) having a first end and a second end facing each other, wherein in the center of the first End of the second drive member (6) is formed on the through hole (23) of the mounting bracket (2) aligned, tapered recess (62), wherein a plurality of second ribs (621) are arranged on the recess wall, and wherein the conical end portion (43) of the first drive element (4) is received in the conical recess (62) of the second drive element (6) such that the first ribs (431) on the conical end section (43) and the second ribs (621) in the conical recess (62 ) abut each other and are thereby positioned. Safety device for a window curtain after Claim 1 characterized in that the second concavity (32) of the sprocket (3) has a plurality of axially extending spaced guide projections (33) on the inner wall side, the first drive member (4) being peripherally provided with a plurality of spaced guide grooves (41) extend from the first end to the second end of the first drive member (4) so that the guide projections (33) disposed on the second concavity (32) of the sprocket (3) engage the respective guide grooves (41). Safety device for a window curtain after Claim 2 , characterized in that the guide projections (33) on an opening side of the second concavity (32) of the chain disc (3) each have a first latching flange (331), wherein the guide grooves (41) of the first drive element (4) at the first end with each a second latching flange (411) are provided, which bears against a corresponding first latching flange (331) of the guide projections (33) of the chain disc (3). Safety device for a window curtain after Claim 1 characterized in that a third concavity (42) is formed in the middle of the first end of the first drive element (4), wherein the spring element (5) in the second concavity (32) of the sprocket (3) and the third concavity (42 ) of the first drive element (4) is accommodated, and wherein the spring element (5) rests on the one hand on the bottom surface of the second concavity (32) of the chain disc (3) and on the other hand on the first end of the first drive element (4). Safety device for a window curtain after Claim 1 characterized in that in the center of the first end of the second drive member (6) there is disposed a convex connection portion (61) located in the through hole (23) of the mounting bracket (2), in the middle of the end of the connection portion (Fig. 61), the conical recess (62) is formed. Safety device for a window curtain after Claim 1 , characterized in that the conical recess (62) of the second drive element (6) has a concave opening (622) in the center of its bottom, the conical end section (43) of the first drive element (4) is located in the concave opening (622) of the conical recess (62). Safety device for a window curtain after Claim 1 characterized in that a polygonal connecting groove (63) is formed at the second end of the second driving member (6). Safety device for a window curtain after Claim 7 , which is further provided with a socket (7) having a first end and a second end which face each other, the first end of the socket (7) being connected to the second end of the mounting bracket (2), and wherein the middle of the second end of the plug-in sleeve (7) is formed a fourth concavity (71) having in the center of its bottom a through hole (72) extending continuously to the first end of the socket (7), wherein the through hole (72 ) is aligned with the connecting groove (63) of the second drive element (6). Safety device for a window curtain after Claim 8 which is further formed with a drive rod (8) which is in a polygonal shape, wherein on the drive rod (8) a first end and a second end are formed, which face each other, wherein the first end of the drive rod (8) is passed through the through hole (72) of the fourth concavity (71) of the plug-in sleeve (7) and connected to the connecting groove (63) of the second drive element (6). Safety device for a window curtain after Claim 1 , characterized in that the recess (11) at the second end of the mounting bracket (1) is conical, wherein the projection (31) at the first end of the chain disc (3) is also conical, and wherein the projection (31) the conical recess (11) of the mounting bracket (1) adapted and connected to this form-fitting manner. Safety device for a window curtain after Claim 1 , characterized in that at the bottom edge side of the mounting bracket (1) and the mounting bracket (2) each two opposite tabs (12, 24) are arranged between which an insertion opening (13, 25) is formed, and wherein a positioning pin (26) is provided which has a first stop (261) and a second stop (262) on both sides, which are arranged at a distance from each other closely adjacent, so that an insert portion (263) between the first stop (261) and the second stop (262) and wherein the insertion sections (263) formed on both sides of the positioning pin (26) are arranged separately in the insertion opening (13) located between the two tabs (12) of the fastening bracket (1) and between the two tabs (24) of the mounting bracket (2) are clamped, so that the first stops (261) and the second stops (262) on both sides of the positioning pin (2 6) are formed, on two opposite end faces of the two tabs (12) of the mounting bracket (1) and the two tabs (24) abut the mounting bracket (2) and are thereby positioned. Safety device for a window curtain after Claim 1 , characterized in that the mounting bracket (1) at least on one of its side walls has a Velcro strip attached thereto (14). Safety device for a window curtain after Claim 12 , characterized in that the Velcro strip (14) is connected to a plurality of barbs (141).

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