EP0383203B1 - Fastener for jewellery chains - Google Patents

Fastener for jewellery chains Download PDF

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Publication number
EP0383203B1
EP0383203B1 EP90102543A EP90102543A EP0383203B1 EP 0383203 B1 EP0383203 B1 EP 0383203B1 EP 90102543 A EP90102543 A EP 90102543A EP 90102543 A EP90102543 A EP 90102543A EP 0383203 B1 EP0383203 B1 EP 0383203B1
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EP
European Patent Office
Prior art keywords
rings
fastening device
chain
ring
spacing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP90102543A
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German (de)
French (fr)
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EP0383203A1 (en
Inventor
Hubert Schröder
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Individual
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Individual
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Classifications

    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44CPERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/18Fasteners for straps, chains or the like
    • A44C5/20Fasteners for straps, chains or the like for open straps, chains or the like
    • A44C5/2019Hooks
    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44CPERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/18Fasteners for straps, chains or the like
    • A44C5/20Fasteners for straps, chains or the like for open straps, chains or the like
    • A44C5/209Fasteners specially adapted for necklaces or bracelets made of pearls
    • A44C5/2095Fasteners specially adapted for necklaces or bracelets made of pearls provided with retaining means for several strings of pearls
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/39Cord and rope holders
    • Y10T24/3902Chain
    • Y10T24/3904Bead chain fasteners
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/45Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45984Cavity having specific shape
    • Y10T24/45995Cavity having specific shape having access opening with gapped perimeter for allowing movement of noninserted projection support therepast

Definitions

  • the invention relates to a locking device for jewelry chains according to the preamble of the independent claim.
  • a slotted ring is arranged on the back of an annular brooch. This ring is held diametrically opposite the slot via the spacer at a distance from the back of the ring-shaped brooch.
  • the ends of the two segments of the ring are resiliently radially outward with their ends adjoining the slot against supporting parts firmly connected to the brooch.
  • the chain is provided at its ends with spherical or pearl-shaped end links which are provided with cross bores with which these end links can be pushed through the slot onto the two segments of the ring.
  • a locking device is known from US-A-3,899,802, in which the ring is pivotally mounted on the brooch via a hinge.
  • the hinge also forms the spacer with which the ring is held at a distance from the back of the brooch.
  • the ring is provided with a slot diametrically opposite the swivel joint.
  • a projection is arranged diametrically opposite the swivel joint on the back of the brooch, which is laterally provided with depressions and which engages in the closed position in the slot of the ring and closes it.
  • a locking member is provided over the ring in the closed position.
  • the end links are provided with a transverse bore with which they can be pushed onto the ring.
  • the diameter of the ring provided with the slot is very much larger than the size of the end links of the chain.
  • Closing devices are also known from DE-OS 19 05 602 and DE-GM 68 04 377, which have two parts that are movable relative to one another, between the contact surfaces of which separable sections of cutouts are formed.
  • pearl-shaped or spherical end or intermediate links of a jewelry chain are inserted into these cutouts, which are then locked to the chain when the closing device is closed.
  • the known locking devices are complicated in their construction, voluminous and require specially designed end links for the chain.
  • the object of the invention is to provide a locking device, the connecting element of which has no moving parts, is simple to manufacture, offers high security against loosening of the jewelry chain and has small dimensions in relation to the jewelry elements of the jewelry chain.
  • the basic element of a metallic locking device according to the invention shown in Fig. 1 has a pair of rings 2 with two rings 4, 6, which are circular here and consist of a profile wire, which can be, for example, a round wire.
  • a profile wire which can be, for example, a round wire.
  • any other cross sections are also possible, for example polyhedron cross sections, oval or elliptical cross sections, wherein the wires can each be solid or hollow.
  • the two rings 4 and 6 are parallel to each other at a distance A which, in the embodiment shown, as shown in FIG. 2, corresponds approximately to the diameter of the profile wire from which the two rings are made. They are essentially congruent in plan view, that is seen from above in FIG. 2. In the embodiment, they have the same diameter and the same thickness of the profile wire.
  • the two rings 4 and 6 lying parallel to one another are connected to one another via a spacer 8.
  • the spacer 8 is a bent section made of the same profile wire as the rings 4 and 6, which is designed as a ring section with the same radius of curvature as the two rings and is soldered between the two rings. This serving as a spacer and connection between the two rings 4 and 6 section extends over an angular range that can be between 15 ° and 120 °.
  • the spacer 10 shown in FIGS. 1 and 2 is a wire section which is soldered with its axis perpendicular to the plane of the rings 4 and 6 between them. It can be provided in addition to the spacer 8. As you can see, however, a plurality of spacers corresponding to the spacer 10 can also be provided between the rings in order to firmly connect them to one another at the predetermined distance.
  • One of the rings here the ring 4, is provided with a radial slot 12 which can have a width of the order of 1 to 2 mm.
  • the slot 12 is located in the vicinity of a spacer, here the end of the spacer 8.
  • a hook-shaped free section 14 is thus formed, which extends over at least 90 °.
  • a connecting element is attached to the described basic element 2, which can have different configurations.
  • a locking device in which an eyelet 16 is attached to the pair of rings 2, which is here axially parallel to the two rings.
  • the schematically represented pearl necklace 18 is attached to this eyelet 16 with one end of the thread of the pearl necklace via a knot connection.
  • the chain here is a pearl chain drawn in a known manner with intermediate knots on a thread.
  • the end of the chain opposite the end knotted to the eyelet is hooked into the closing device with the end bead 20.
  • the end bead 20 is placed in the space that is encompassed by the two rings.
  • the thread of the chain between the end bead and the next bead is inserted through the slot 12 into the space between the two rings.
  • the end link of the chain, here the end bead 20 is therefore not permanently connected to a closure link, but is simply hung in the locking device according to the invention.
  • the eyelet 16 can also be arranged differently from the embodiment shown in FIG. 3 with the axis rotated by 90 °.
  • two pairs of rings 2 are firmly connected to one another, for example via soldering 24.
  • the two slots 12 are each formed on rings in different planes. The slot is thus formed in the left pair of rings in the ring above and in the right pair of rings in the ring below.
  • the two slots adjoin the connection area, so that the slotted ring each forms a hook-shaped area, which here is greater than 120 ° between the slot and the passage of the chain thread 26 between the two rings in the extended position of use of the chain. Due to the opposite arrangement of the slots 12, a very stable design of the holder of the end beads is achieved.
  • the chain can be hung with its two end beads in the locking device.
  • the two pairs of rings 2, 2 ', which are connected to one another via soldering 24, can be formed with different diameters.
  • a locking device with such a fuse is shown in Fig. 5.
  • a projection 5 is provided at a short distance from the slot 12 on the side facing the other ring, which protrudes into the space between the two rings and thus narrows this space by the height h of this projection.
  • the projection thus forms an obstacle to the connection between the end bead 20 and the adjacent bead, which must be overcome if the end bead is to be released from the closing device 2.
  • the projection 5 can be soldered or pressed out of the ring material.
  • This end link 3 consists of two beads 20A, 20B, 20B which are rigidly connected to each other by a connecting pipe 20C.
  • This connecting tube 20C is inserted into bores in the two beads and glued to the beads.
  • the connecting tube can also be provided with a thread on the sections which engage in the two beads, with which the connecting tube can be inserted into corresponding threaded bores in the beads.
  • the beads have a distance D which corresponds essentially to the thickness d of the rings 4, 6 of the pair of rings.
  • the chain end link 3 is inserted with the end bead 20A into the ring pair 4, 6 of the locking device and the tube 20C is brought through the slot 12 between the rings 4, 6.
  • the end member 3 With the second bead 20B, the end member 3 is pivoted in the pair of rings and pressed with the tube 20C over the projection 5.
  • the slotted ring yields resiliently.
  • the tube 20C To release the chain end link 3, the tube 20C must be pressed over the projection 5 before the chain end link can be released from the locking device.
  • the locking device 2 can also be permanently connected to one end of the chain 18.
  • the slot 12 in one pair of rings is then omitted.
  • the two rings 4, 6 of this pair of rings can be laterally bent apart and bent back after insertion of the end bead 20.
  • the end bead can be unscrewed and inserted into the unslit ring pair.
  • the connecting tube 20C of the end link 3 is then screwed back into the chain between the two rings and, if necessary, secured therein by gluing.
  • the two pairs of rings 2, which in turn are formed here with the same diameter, are at a distance from one another, and a ring 28 is provided here as a connecting element, in which a gem 30 can be enclosed.
  • Fig. 8 shows an embodiment for a two-strand chain.
  • Four pairs of rings 2 are connected to one another here via a plate-shaped connecting element 34.
  • the plate 34 can be designed so that it engages with its edge between the rings of the four pairs of rings and thus acts as a spacer for the rings.
  • the rings are soldered to this plate.
  • the plate itself can be designed in a decorative manner and, for example, gemstones can be inserted into the plate.
  • the end beads 20, 20 'of two chain strands 18, 18' are each suspended. 8 can also be used with a single chain strand.
  • the end beads 20 can be suspended, for example, in diametrically opposed pairs of rings 2.
  • one of the end beads of the two chain strands 18, 18 ' can be non-detachably connected to one of the ring pairs as described above.
  • the embodiment according to FIG. 9 corresponds in principle to that according to FIG. 4.
  • the unslit ring 4 of the pair of rings 2 shown on the left is provided with an arched cover 38, which can be closed but also perforated.
  • Such a cover 38 of the unslit ring can also be provided for both ring pairs.
  • the particular advantage of the described locking device is that pearl necklaces can be purchased in the form commercially available as a raw chain without a lock and can be completed with the locking device according to the invention, wherein the locking device can, as mentioned, be easily configured as a decorative element.
  • the chains are with their end pearl Easily hooked into the locking device, and the fact that the end bead lies within the pair of rings provides great security against unintentional unhooking of the chain from the locking device.
  • the chain elements can also be used to connect two or more short chain strands to form a long chain. At the same time, they form a decorative element. It can also be connected at any point in a pearl necklace drawn up with intermediate knots to a pair of rings of a pearl necklace, the two thread sections adjoining the pearl reaching the intermediate space. A pendant or the like provided with a pearl-shaped end link can then be connected to the other pair of rings. The same applies to the other embodiments with two pairs of rings.

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  • Adornments (AREA)

Abstract

The fastener made of metal is used for connecting the ends of a jewellery chain having at least one ball- or pearl-shaped end member which is connected to the chain via an intermediate member with a small diameter. The fastener has a pair (2) of rings with two parallel rings (4, 6) which are rigidly connected to one another via at least one spacer (8, 10) in such a way that they are located spaced apart and parallel to each other. In the plan view of the ring plane, the two rings (4, 6) are of essentially congruent construction. One of the rings (4) is provided with a slot (12) transversely to its profile in a region adjacent to the spacer, for insertion of the intermediate member at the end of the chain (18) into the space between the two rings. A connection element which is fixedly connected at least to the spacer is provided in the region of said spacer. <IMAGE>

Description

Die Erfindung bezieht sich auf eine Schließvorrichtung für Schmuckketten nach dem Oberbegriff des selbständigen Patentanspruches.The invention relates to a locking device for jewelry chains according to the preamble of the independent claim.

Bei einer aus der DE-A-24 11 573 bekannten Schließvorrichtung der gattungsgemäßen Art ist auf der Rückseite einer ringförmig ausgebildeten Brosche ein geschlitzter Ring angeordnet. Dieser Ring ist diametral gegenüber dem Schlitz über den Abstandshalter im Abstand von der Rückseite der ringförmigen Brosche gehaltert. Die beiden Segmente des Ringes liegen mit ihren an den Schlitz angrenzenden Enden radial nach außen federnd gegen mit der Brosche fest verbundene Stützteile an. Die Kette ist an ihren Enden mit kugel- oder perlenförmigen Endgliedern versehen, die mit Querbohrungen versehen sind, mit denen diese Endglieder durch den Schlitz hindurch auf die beiden Segmente des Ringes aufschiebbar sind.In a locking device of the generic type known from DE-A-24 11 573, a slotted ring is arranged on the back of an annular brooch. This ring is held diametrically opposite the slot via the spacer at a distance from the back of the ring-shaped brooch. The ends of the two segments of the ring are resiliently radially outward with their ends adjoining the slot against supporting parts firmly connected to the brooch. The chain is provided at its ends with spherical or pearl-shaped end links which are provided with cross bores with which these end links can be pushed through the slot onto the two segments of the ring.

Aus der US-A-3,899,802 ist eine Schließvorrichtung bekannt, bei der der Ring an der Brosche über ein Scharnier schwenkbar gelagert ist. Das Scharnier bildet dabei gleichzeitig den Abstandhalter, mit dem der Ring im Abstand von der Rückseite der Brosche gehalten ist. Der Ring ist diametral gegenüber dem Schwenkgelenk mit einem Schlitz versehen. Weiter ist diametral gegenüber dem Schwenkgelenk auf der Rückseite der Brosche ein Vorsprung angeordnet, der seitlich mit Vertiefungen versehen ist und der in der Schließstellung in den Schlitz des Ringes eingreift und diesen verschließt. Zur Sicherung ist an diesem Vorsprung ein den Ring in der Schließstellung übergreifendes Sicherungsglied vorgesehen. Auch hierbei sind die Endglieder mit einer Querbohrung versehen, mit der sie auf den Ring aufschiebbar sind.A locking device is known from US-A-3,899,802, in which the ring is pivotally mounted on the brooch via a hinge. The hinge also forms the spacer with which the ring is held at a distance from the back of the brooch. The ring is provided with a slot diametrically opposite the swivel joint. Furthermore, a projection is arranged diametrically opposite the swivel joint on the back of the brooch, which is laterally provided with depressions and which engages in the closed position in the slot of the ring and closes it. To secure this protrusion a locking member is provided over the ring in the closed position. Here, too, the end links are provided with a transverse bore with which they can be pushed onto the ring.

Bei beiden bekannten Schließvorrichtungen ist der Durchmesser des mit dem Schlitz versehenen Ringes sehr viel größer als die Größe der Endglieder der Kette.In both known locking devices, the diameter of the ring provided with the slot is very much larger than the size of the end links of the chain.

Es sind weiter aus der DE-OS 19 05 602 bzw. dem DE-GM 68 04 377 Schließvorrichtungen bekannt, die zwei relativ zueinander bewegliche Teile aufweisen, zwischen deren Berührungsflächen jeweils trennbare Abschnitte von Ausschnitten ausgebildet sind. In diese Ausschnitte werden im geöffneten zustand der Schließvorrichtung perlen- oder kugelförmige End- oder Zwischenglieder einer Schmuckkette eingeführt, die dann bei geschlossener Schließvorrichtung mit dieser verriegelt sind.Closing devices are also known from DE-OS 19 05 602 and DE-GM 68 04 377, which have two parts that are movable relative to one another, between the contact surfaces of which separable sections of cutouts are formed. In the open state of the closing device, pearl-shaped or spherical end or intermediate links of a jewelry chain are inserted into these cutouts, which are then locked to the chain when the closing device is closed.

Die bekannten Schließvorrichtungen sind kompliziert in ihrem Aufbau, voluminös und benötigen speziell ausgebildete Endglieder für die Kette.The known locking devices are complicated in their construction, voluminous and require specially designed end links for the chain.

Aufgabe der Erfindung ist es, eine Schließvorrichtung zu schaffen, deren Verbindungselement keine beweglichen Teile aufweist, die einfach herstellbar ist, eine hohe Sicherheit gegen ein Lösen der Schmuckkette bietet und die kleine Abmessungen bezogen auf die Schmuckelemente der Schmuckkette aufweist.The object of the invention is to provide a locking device, the connecting element of which has no moving parts, is simple to manufacture, offers high security against loosening of the jewelry chain and has small dimensions in relation to the jewelry elements of the jewelry chain.

Diese Aufgabe wird gemäß der Erfindung gelöst durch die im kennzeichnenden Teil des unabhängigen Patentanspruchs herausgestellten Merkmale.This object is achieved according to the invention by the features highlighted in the characterizing part of the independent claim.

Zweckmäßige Ausgestaltungen sind Gegenstand der Unteransprüche.Appropriate configurations are the subject of the subclaims.

Die Erfindung ist in der Zeichnung in verschiedenen Ausführungsbeispielen dargestellt und wird nachstehend anhand der Zeichnung im einzelnen beschrieben.

  • Fig. 1 zeigt in perspektivischer Ansicht das Grundelement der erfindungsgemäßen Schließvorrichtung.
  • Fig. 2 zeigt eine Seitenansicht des Grundelementes nach Fig. 1.
  • Fig. 3 zeigt eine Ausführungsform der Schließvorrichtung mit angesetzter Öse in Verbindung mit einer Perlenkette.
  • Fig. 4 zeigt eine Schließvorrichtung mit zwei miteinander verbundenen Grundelementen nach Fig. 1 und 2.
  • Fig. 5 zeigt ähnlich Fig. 1 eine Schließvorrichtung mit einer Arretierung.
  • Fig. 6 zeigt ein Perlenendglied mit zwei Perlen in Längsschnitt.
  • Fig. 7 zeigt eine Ausführung ähnlich Fig. 4, bei der die Ringpaare über ein Zwischenelement miteinander verbunden sind.
  • Fig. 8 zeigt eine Schließvorrichtung als gemeinsamen Verschluß für zwei Perlenketten.
  • Fig. 9 zeigt eine Schließvorrichtung ähnlich Fig. 4 mit einer gewölbten Abdeckung eines der beiden Ringpaare.
The invention is shown in the drawing in various exemplary embodiments and is described in detail below with reference to the drawing.
  • Fig. 1 shows a perspective view of the basic element of the locking device according to the invention.
  • FIG. 2 shows a side view of the basic element according to FIG. 1.
  • Fig. 3 shows an embodiment of the locking device with attached eyelet in connection with a pearl necklace.
  • 4 shows a locking device with two interconnected basic elements according to FIGS. 1 and 2.
  • Fig. 5 shows similar to Fig. 1, a locking device with a lock.
  • Fig. 6 shows a pearl end link with two pearls in longitudinal section.
  • FIG. 7 shows an embodiment similar to FIG. 4, in which the pairs of rings are connected to one another via an intermediate element.
  • Fig. 8 shows a closing device as a common closure for two pearl necklaces.
  • FIG. 9 shows a locking device similar to FIG. 4 with a domed cover of one of the two pairs of rings.

Das in Fig. 1 dargestellte Grundelement einer erfindungsgemäßen metallischen Schließvorrichtung weist ein Ringpaar 2 mit zwei Ringen 4, 6 auf, die hier kreisrund ausgebildet sind und aus einem profildraht bestehen, der beispielsweise ein Runddraht sein kann. Es sind aber auch beliebige andere Querschnitte möglich, beispielsweise Polyederquerschnitte, ovale oder elliptische Querschnitte, wobei die Drähte jeweils massiv oder hohl sein können.The basic element of a metallic locking device according to the invention shown in Fig. 1 has a pair of rings 2 with two rings 4, 6, which are circular here and consist of a profile wire, which can be, for example, a round wire. However, any other cross sections are also possible, for example polyhedron cross sections, oval or elliptical cross sections, wherein the wires can each be solid or hollow.

Die beiden Ringe 4 und 6 liegen parallel zueinander in einem Abstand A, der bei der dargestellten Ausführungsform, wie aus Fig. 2 ersichtlich, etwa dem Durchmesser des Profildrahtes entspricht, aus dem die beiden Ringe hergestellt sind. Sie sind in Draufsicht, das ist in Fig. 2 von oben gesehen, im wesentlichen deckungsgleich. Bei der Ausführungsform haben sie also den gleichen Durchmesser und die gleiche Dicke des Profildrahtes.The two rings 4 and 6 are parallel to each other at a distance A which, in the embodiment shown, as shown in FIG. 2, corresponds approximately to the diameter of the profile wire from which the two rings are made. They are essentially congruent in plan view, that is seen from above in FIG. 2. In the embodiment, they have the same diameter and the same thickness of the profile wire.

Die beiden parallel zueinander liegenden Ringe 4 und 6 sind über einen Abstandhalter 8 miteinander verbunden. Der Abstandhalter 8 ist ein gebogener Abschnitt aus dem gleichen Profildraht wie die Ringe 4 und 6, der als Ringabschnitt mit gleichem Krümmungsradius wie die beiden Ringe ausgebildet ist und zwischen den beiden Ringen eingelötet ist. Dieser als Abstandhalter und Verbindung zwischen den beiden Ringen 4 und 6 dienende Abschnitt erstreckt sich über einen Winkelbereich, der zwischen 15° und 120° liegen kann.The two rings 4 and 6 lying parallel to one another are connected to one another via a spacer 8. The spacer 8 is a bent section made of the same profile wire as the rings 4 and 6, which is designed as a ring section with the same radius of curvature as the two rings and is soldered between the two rings. This serving as a spacer and connection between the two rings 4 and 6 section extends over an angular range that can be between 15 ° and 120 °.

Der in Fig. 1 und 2 weiter dargestellte Abstandhalter 10 ist ein Drahtabschnitt, der mit seiner Achse senkrecht zur Ebene der Ringe 4 und 6 zwischen diesen eingelötet ist. Er kann zusätzlich zu dem Abstandhalter 8 vorgesehen sein. Wie ohne weiteres ersichtlich, kann aber auch eine Mehrzahl von Abstandhaltern entsprechend dem Abstandhalter 10 zwischen den Ringen vorgesehen sein, um diese in dem vorgegebenen Abstand fest miteinander zu verbinden.The spacer 10 shown in FIGS. 1 and 2 is a wire section which is soldered with its axis perpendicular to the plane of the rings 4 and 6 between them. It can be provided in addition to the spacer 8. As you can see, However, a plurality of spacers corresponding to the spacer 10 can also be provided between the rings in order to firmly connect them to one another at the predetermined distance.

Einer der Ringe, hier der Ring 4, ist mit einem radialen Schlitz 12 versehen, der eine Breite in der Größenordnung von 1 bis 2 mm haben kann. Der Schlitz 12 liegt in der Nähe eines Abstandhalters, hier des Endes des Abstandhalters 8. Es wird so ein hakenförmiger freier Abschnitt 14 gebildet, der sich über wenigstens 90° erstreckt.One of the rings, here the ring 4, is provided with a radial slot 12 which can have a width of the order of 1 to 2 mm. The slot 12 is located in the vicinity of a spacer, here the end of the spacer 8. A hook-shaped free section 14 is thus formed, which extends over at least 90 °.

Im Bereich des an den Schlitz 12 angrenzenden Abstandhalters 8 ist an das beschriebene Grundelement 2 ein Verbindungselement angefügt, welches verschiedene Ausgestaltungen haben kann.In the area of the spacer 8 adjoining the slot 12, a connecting element is attached to the described basic element 2, which can have different configurations.

In Fig. 3 ist eine Schließvorrichtung dargestellt, bei der an das Ringpaar 2 eine Öse 16 angesetzt ist, die hier achsparallel zu den beiden Ringen liegt. An diese Öse 16 ist hier die schematisch dargestellte Perlenkette 18 mit dem einen Ende des Aufziehfadens der Perlenkette über eine Knotenverbindung angefügt. Die Kette ist hier eine in bekannter Weise mit Zwischenknoten auf einen Faden aufgezogene Perlenkette. Das dem an die Öse angeknoteten Ende gegenüberliegende Ende der Kette wird mit der Endperle 20 in die Schließvorrichtung eingehängt. Die Endperle 20 wird dabei in den Raum, der von den beiden Ringen umfaßt wird, eingelegt. Der Faden der Kette zwischen der Endperle und der nächsten Perle wird hierbei durch den Schlitz 12 in den Zwischenraum zwischen beiden Ringen eingeführt. Das Endglied der Kette, hier die Endperle 20 ist also nicht dauerhaft mit einem Verschlußglied verbunden, sondern wird einfach in die erfindungsgemäße Schließvorrichtung eingehängt.In Fig. 3, a locking device is shown in which an eyelet 16 is attached to the pair of rings 2, which is here axially parallel to the two rings. The schematically represented pearl necklace 18 is attached to this eyelet 16 with one end of the thread of the pearl necklace via a knot connection. The chain here is a pearl chain drawn in a known manner with intermediate knots on a thread. The end of the chain opposite the end knotted to the eyelet is hooked into the closing device with the end bead 20. The end bead 20 is placed in the space that is encompassed by the two rings. The thread of the chain between the end bead and the next bead is inserted through the slot 12 into the space between the two rings. The end link of the chain, here the end bead 20, is therefore not permanently connected to a closure link, but is simply hung in the locking device according to the invention.

Die Öse 16 kann auch abweichend von der in Fig. 3 gezeigten Ausführungsform mit um 90° gedrehter Achse angeordnet sein.The eyelet 16 can also be arranged differently from the embodiment shown in FIG. 3 with the axis rotated by 90 °.

Bei der Ausführungsform nach Fig. 4 sind zwei Ringpaare 2 mit jeweils zwei parallelen Ringen fest miteinander verbunden,beispielsweise über eine Lötung 24. Die beiden Schlitze 12 sind hier jeweils an Ringen in unterschiedlichen Ebenen ausgebildet. Der Schlitz ist also in dem linken Ringpaar in dem oben liegenden Ring und in dem rechten Ringpaar in dem unten liegenden Ring ausgebildet. Die beiden Schlitze grenzen an den Verbindungsbereich an, so daß der geschlitzte Ring jeweils einen hakenförmigen Bereich bildet, der hier größer als 120° zwischen dem Schlitz und der Durchführung des Kettenfadens 26 zwischen den beiden Ringen in der gestreckten Gebrauchslage der Kette liegt. Durch die entgegengesetzte Anordnung der Schlitze 12 wird eine sehr stabile Ausbildung der Halterung der Endperlen erreicht. Die Kette kann hierbei mit ihren beiden Endperlen in die Schließvorrichtung eingehängt werden.In the embodiment according to FIG. 4, two pairs of rings 2, each with two parallel rings, are firmly connected to one another, for example via soldering 24. The two slots 12 are each formed on rings in different planes. The slot is thus formed in the left pair of rings in the ring above and in the right pair of rings in the ring below. The two slots adjoin the connection area, so that the slotted ring each forms a hook-shaped area, which here is greater than 120 ° between the slot and the passage of the chain thread 26 between the two rings in the extended position of use of the chain. Due to the opposite arrangement of the slots 12, a very stable design of the holder of the end beads is achieved. The chain can be hung with its two end beads in the locking device.

Abweichend von der Darstellung nach Fig. 4 können die beiden Ringpaare 2, 2′, die über eine Lötung 24 miteinander verbunden sind, mit unterschiedlichem Durchmesser ausgebildet sein.4, the two pairs of rings 2, 2 ', which are connected to one another via soldering 24, can be formed with different diameters.

Für hochwertige Ketten kann es wünschenswert sein, eine zusätzliche Sicherung gegen ein Lösen der Kette aus der Schließvorrichtung vorzusehen. Eine Schließvorrichtung mit einer solchen Sicherung ist in Fig. 5 dargestellt. Auf einem der Ringe 4, 6 ist in einem geringen Abstand vom Schlitz 12 auf der dem anderen Ring zugewandten Seite ein Vorsprung 5 vorgesehen, der in den Zwischenraum zwischen den beiden Ringen vorsteht und diesen Zwischenraum somit um die Höhe h dieses Vorsprunges einengt. Der Vorsprung bildet somit ein Hindernis für die Verbindung zwischen der Endperle 20 und der benachbarten Perle, das überwunden werden muß, wenn die Endperle aus der Schließvorrichtung 2 gelöst werden soll. Der Vorsprung 5 kann aufgelötet oder aus dem Ringmaterial herausgedrückt sein.For high-quality chains, it may be desirable to provide additional security against the chain coming loose from the locking device. A locking device with such a fuse is shown in Fig. 5. On one of the rings 4, 6, a projection 5 is provided at a short distance from the slot 12 on the side facing the other ring, which protrudes into the space between the two rings and thus narrows this space by the height h of this projection. The projection thus forms an obstacle to the connection between the end bead 20 and the adjacent bead, which must be overcome if the end bead is to be released from the closing device 2. The projection 5 can be soldered or pressed out of the ring material.

Ein solcher Vorsprung kann andererseits zu einem erhöhten Verschleiß des Kettenfadens führen. Es ist daher zweckmäßig, ein spezielles Endglied 3 für die Kette vorzusehen, wie es in Fig. 6 dargestellt ist. Dieses Endglied 3 besteht aus zwei perlen 20A, 20B, 20B, die durch ein Verbindungsrohr 20C starr miteinander verbunden sind. Dieses Verbindungsrohr 20C ist in Bohrungen in den beiden Perlen eingesetzt und mit den Perlen verklebt. Das Verbindungsrohr kann dabei auf den Abschnitten, die in die beiden Perlen eingreifen, auch mit einem Gewinde versehen sein, mit dem das Verbindungsrohr in entsprechende Gewindebohrungen in den Perlen einschiebbar ist. In diesem so gebildeten starrren Endglied 3 haben die Perlen einen Abstand D, der im wesentlichen der Dicke d der Ringe 4, 6 des Ringpaares entspricht. Zur Befestigung dieses Endgliedes wird der Kettenfaden durch das Rohr 20C geführt und dann befestigt, vorzugsweise in dem Rohr 20C verklebt.On the other hand, such a projection can lead to increased wear of the chain thread. It is therefore appropriate to provide a special end link 3 for the chain, as shown in Fig. 6. This end link 3 consists of two beads 20A, 20B, 20B which are rigidly connected to each other by a connecting pipe 20C. This connecting tube 20C is inserted into bores in the two beads and glued to the beads. The connecting tube can also be provided with a thread on the sections which engage in the two beads, with which the connecting tube can be inserted into corresponding threaded bores in the beads. In this rigid end member 3 thus formed, the beads have a distance D which corresponds essentially to the thickness d of the rings 4, 6 of the pair of rings. To fasten this end link, the chain thread is passed through the tube 20C and then fastened, preferably glued in the tube 20C.

Zum Einhängen der Schließvorrichtung 2 wird das Kettenendglied 3 mit der Endperle 20A in das Ringpaar 4, 6 der Schließvorrichtung eingelegt und das Rohr 20C durch den Schlitz 12 zwischen die Ringe 4, 6 gebracht. Mit der zweiten Perle 20B wird das Endglied 3 in dem Ringpaar geschwenkt und mit dem Rohr 20C über den Vorsprung 5 gedrückt. Dabei gibt der geschlitzte Ring federnd nach. Zum Lösen des Kettenendgliedes 3 muß das Rohr 20C wieder über den Vorsprung 5 gedrückt werden, bevor das Kettenendglied von der Schließvorrichtung gelöst werden kann.To hang the locking device 2, the chain end link 3 is inserted with the end bead 20A into the ring pair 4, 6 of the locking device and the tube 20C is brought through the slot 12 between the rings 4, 6. With the second bead 20B, the end member 3 is pivoted in the pair of rings and pressed with the tube 20C over the projection 5. The slotted ring yields resiliently. To release the chain end link 3, the tube 20C must be pressed over the projection 5 before the chain end link can be released from the locking device.

Bei der Ausführung nach Fig. 4 kann die Schließvorrichtung 2 auch mit einem Ende der Kette 18 dauerhaft verbunden sein. Es entfällt dann der Schlitz 12 in dem einen Ringpaar. Die beiden Ringe 4, 6 dieses Ringpaares können dabei seitlich auseinandergebogen und nach Einführen der Endperle 20 wieder zurückgebogen werden. Es ist aber auch möglich, eine lose Endperle in das Ringpaar einzulegen und dann den Faden 26 der Kette in diese Perle einzufädeln und an/in der Perle zu befestigen. Bei Verwendung eines Endglieden mit auf das Verbindungsrohr 20C aufgeschraubten Perlen, wie es oben unter Bezug auf Fig. 6 beschrieben ist, kann die Endperle abgeschraubt und in das ungeschlitzte Ringpaar eingelegt werden. Das Verbindungsrohr 20C des Endgliedes 3 wird dann zwischen die beiden Ringe hindurch wieder in die Kette eingeschraubt und gegebenenfalls durch Kleben darin gesichert.4, the locking device 2 can also be permanently connected to one end of the chain 18. The slot 12 in one pair of rings is then omitted. The two rings 4, 6 of this pair of rings can be laterally bent apart and bent back after insertion of the end bead 20. However, it is also possible to insert a loose end bead into the pair of rings and then thread the thread 26 of the chain into this bead and fasten it on / in the bead. When using an end link with beads screwed onto the connecting tube 20C, as described above with reference to FIG. 6, the end bead can be unscrewed and inserted into the unslit ring pair. The connecting tube 20C of the end link 3 is then screwed back into the chain between the two rings and, if necessary, secured therein by gluing.

Bei der Ausführungsform nach Fig. 7 liegen die beiden Ringpaare 2, die hier wiederum mit gleichem Durchmesser ausgebildet sind, im Abstand voneinander, und als Verbindungselement ist hier ein Ring 28 vorgesehen, in den ein Schmuckstein 30 eingefaßt sein kann.In the embodiment according to FIG. 7, the two pairs of rings 2, which in turn are formed here with the same diameter, are at a distance from one another, and a ring 28 is provided here as a connecting element, in which a gem 30 can be enclosed.

Die vorstehend beschriebenen Ausführungsformen sind Schließvorrichtungen für einsträngige Ketten. Fig. 8 zeigt eine Ausführungsform für eine zweisträngige Kette. Es sind hier vier Ringpaare 2 über ein plattenförmiges Verbindungselement 34 miteinander verbunden. Die platte 34 kann so ausgebildet sein, daß sie mit ihrem Rand jeweils zwischen die Ringe der vier Ringpaare greift und somit als Abstandhalter für die Ringe wirkt. Die Ringe sind mit dieser Platte verlötet. Die Platte selbst kann dekorativ gestaltet sein, und in die Platte können beispielsweise Schmucksteine eingesetzt sein. In die Ringpaare 2 werden jeweils die Endperlen 20, 20′ zweier Kettenstränge 18, 18′ eingehängt. Die Schließvorrichtung nach Fig. 8 kann auch mit einem einzigen Kettenstrang verwendet werden. Dabei können die Endperlen 20 beispielsweise in diametral gegenüberliegende Ringpaare 2 eingehängt sein.The embodiments described above are locking devices for single-strand chains. Fig. 8 shows an embodiment for a two-strand chain. Four pairs of rings 2 are connected to one another here via a plate-shaped connecting element 34. The plate 34 can be designed so that it engages with its edge between the rings of the four pairs of rings and thus acts as a spacer for the rings. The rings are soldered to this plate. The plate itself can be designed in a decorative manner and, for example, gemstones can be inserted into the plate. In the pairs of rings 2, the end beads 20, 20 'of two chain strands 18, 18' are each suspended. 8 can also be used with a single chain strand. The end beads 20 can be suspended, for example, in diametrically opposed pairs of rings 2.

Auch bei der Ausführungsform nach Fig. 8 kann eine der Endperlen der beiden Kettenstränge 18, 18′ wie oben beschrieben unlösbar mit einem der Ringpaare verbunden sein.Also in the embodiment according to FIG. 8, one of the end beads of the two chain strands 18, 18 'can be non-detachably connected to one of the ring pairs as described above.

Die Ausführungsform nach Fig. 9 entspricht prinzipiell der nach Fig. 4. Abweichend ist hier der ungeschlitzte Ring 4 des links dargestellten Ringpaares 2 mit einer gewölbten Abdeckung 38 versehen, die geschlossen aber auch durchbrochen sein kann. Eine solche Abdeckung 38 des ungeschlitzten Ringes kann auch für beide Ringpaare vorgesehen sein.The embodiment according to FIG. 9 corresponds in principle to that according to FIG. 4. Deviating here, the unslit ring 4 of the pair of rings 2 shown on the left is provided with an arched cover 38, which can be closed but also perforated. Such a cover 38 of the unslit ring can also be provided for both ring pairs.

Der besondere Vorteil der beschriebenen Schließvorrichtung besteht darin, daß Perlenketten in der handelsüblich als Rohkette ohne Verschluß angebotenen Form erworben und mit der erfindungsgemäßen Schließvorrichtung komplettiert werden können, wobei die Schließvorrichtung wie erwähnt ohne weiteres als dekoratives Schmuckelement ausgestaltet sein kann. Die Ketten sind mit ihrer Endperle leicht in die Schließvorrichtung einhängbar, und dadurch, daß die Endperle innerhalb des Ringpaares liegt, ist eine große Sicherheit gegen ein ungewolltes Aushängen der Kette aus der Schließvorrichtung gegeben.The particular advantage of the described locking device is that pearl necklaces can be purchased in the form commercially available as a raw chain without a lock and can be completed with the locking device according to the invention, wherein the locking device can, as mentioned, be easily configured as a decorative element. The chains are with their end pearl Easily hooked into the locking device, and the fact that the end bead lies within the pair of rings provides great security against unintentional unhooking of the chain from the locking device.

Die Kettenelemente, wie sie in Fig. 4 dargestellt sind, können auch dazu verwendet werden, zwei oder mehrere kurze Kettenstränge zu einer langen Kette zu verbinden. Sie bilden dabei gleichzeitig ein schmückendes Element. Es kann weiter an beliebiger Stelle einer mit Zwischenknoten aufgezogenen Perlenkette mit einem Ringpaar einer Perlenkette verbunden werden, wobei die beiden an die Perle angrenzenden Fadenabschnitte in den Zwischenraum gelangen. An das andere Ringpaar kann dann eine mit einem Perlenförmigen Endglied versehener Anhänger oder dergleichen angeschlossen werden. Entsprechendes gilt für die übrigen Ausführungsformen mit zwei Ringpaaren.The chain elements, as shown in FIG. 4, can also be used to connect two or more short chain strands to form a long chain. At the same time, they form a decorative element. It can also be connected at any point in a pearl necklace drawn up with intermediate knots to a pair of rings of a pearl necklace, the two thread sections adjoining the pearl reaching the intermediate space. A pendant or the like provided with a pearl-shaped end link can then be connected to the other pair of rings. The same applies to the other embodiments with two pairs of rings.

Claims (12)

  1. A fastening device (2) of metal with two coaxial rings (4,6) for connecting the ends of a jewellery chain (18) with at least one spherical or pearl-shaped end member (20), which is connected to the chain by means of an intermediate member (26) with a small diameter, in which one of the rings (4) has a constant profile cross section and is provided with a slit (12) arranged transversely to its profile for the insertion of the end member (20) of the chain (18) and both rings are rigidly connected together over a limited region by means of at least one spacing element (8,10) so that they lie parallel to each other and at a spacing from each other,
    characterised in that,
    the two rings (4,6) form a ring pair (2) in which the rings (4,6) have a similar constant profile cross section and a similar inner diameter,
    the inner diameter of the rings (4,6) is slightly oversize compared to the end member (20) of the chain (18) which is to be secured in the fastening device (2),
    the slit (12) is arranged in a region bordering the spacing element (8,10) and is constructed for the insertion of the intermediate member at one end of the chain (18) in the intermediate space between the two rings, and
    in the region of the spacing element(s) there is provided a connecting element (16; 34) fixedly attached to the fastening device.
  2. A fastening device according to claim 1, characterised in that as a spacing element there is arranged between the rings (4,6) a wire (8) which is curved corresponding to the curvature of the rings, the wire extending over an angle of between approximately 15° and 120°.
  3. A fastening device according to claim 1, characterised in that as a connecting element there is provided an eyelet (16,22).
  4. A fastening device according to claim 1, characterised in that as a connecting element there is provided at least one further ring pair (2).
  5. A fastening device according to claim 4, characterised in that one of the rings (4,6) of the further ring pair (2) is provided in a region (8) adjacent to the spacing element (8) with a slit (12) for the securing of a pearl-shaped end member of a chain.
  6. A fastening device according to claim 4, characterised in that as a spacing element there is provided a plate (12) to which there are fixed at least two ring pairs (4,6) at a spacing from each other.
  7. A fastening device according to claim 6, characterised in that the plate (12) is formed at its edge in the region of the ring pairs (4,6) as a spacing element for the rings.
  8. A fastening device according to claim 4, characterised in that one of the unslitted rings (4) of a ring pair (4,6) is provided with a curved cover (38).
  9. A fastening device according to claim 1, characterised in that one of the two rings (6) on the side facing the other ring (4) is provided with a projection (5) which projects over a limited height (h) into the intermediate space between the two rings, the projection being arranged near the slit (12).
  10. A fastening device according to claim 1 or 9, characterised in that a chain end member (3) is provided, which has two spherical members and/or pearls (20A, 20B) which are connected rigidly to each other by means of a tube (20C) the diameter of which is slightly smaller than the height (A) of the intermediate space between the rings and the width of the slit (12) in the first. ring, and to which the spherical members and/or pearls are fixed at a spacing (D), which essentially corresponds to the thickness (d) of the two rings (4,6).
  11. A fastening device according to claims 9 and 10, characterised in that the diameter of the tube (20C) is larger than the difference between the spacing (A) of the rings and the height (h) of the projection (5).
  12. A fastening device according to any one of the preceding claims, characterised that the rings (4,6) have a circular cross section.
EP90102543A 1989-02-13 1990-02-09 Fastener for jewellery chains Expired - Lifetime EP0383203B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8901609U 1989-02-13
DE8901609U DE8901609U1 (en) 1989-02-13 1989-02-13 Locking device for jewelry chains

Publications (2)

Publication Number Publication Date
EP0383203A1 EP0383203A1 (en) 1990-08-22
EP0383203B1 true EP0383203B1 (en) 1992-10-28

Family

ID=6835943

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Application Number Title Priority Date Filing Date
EP90102543A Expired - Lifetime EP0383203B1 (en) 1989-02-13 1990-02-09 Fastener for jewellery chains

Country Status (8)

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US (1) US5018250A (en)
EP (1) EP0383203B1 (en)
JP (1) JPH02241403A (en)
AT (1) ATE81754T1 (en)
AU (1) AU624903B2 (en)
DE (2) DE8901609U1 (en)
DK (1) DK0383203T3 (en)
ES (1) ES2036063T3 (en)

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DE4428178C1 (en) * 1994-08-09 1996-02-01 Chen Yu Chin Training and massage appts
DE4437588A1 (en) * 1994-10-20 1996-04-25 Siemens Ag Ultrasonic flow meter
JP4338851B2 (en) 1999-01-22 2009-10-07 株式会社ブルー・ベル necklace
US6800252B1 (en) 2000-03-06 2004-10-05 Paul F. Jedzinski Burstable scent beads
WO2002035958A1 (en) * 2000-11-06 2002-05-10 Rokko Pearl Trading Co., Ltd Ornament
US6935135B1 (en) * 2001-02-14 2005-08-30 Andrea R. Brady Beaded fashion accessories for use on the body
US6634067B2 (en) * 2001-09-21 2003-10-21 Donald A. Jacobson Connector for a jewelry flexible member
US6908065B1 (en) * 2002-05-30 2005-06-21 Gregory Ritchie 3-dimensional bead process
US20080060172A1 (en) * 2006-09-08 2008-03-13 Kimball Moss Magnetic jewelry clasp that is attachable and detachable to existing jewelry by the user
DE102007006838B4 (en) 2007-02-12 2019-09-12 Erico Nagai Close for jewelry
CN102300483B (en) * 2010-01-29 2015-08-19 株式会社御木本 Ornament buckle
JP5268078B2 (en) * 2011-07-29 2013-08-21 Miwa株式会社 Trinkets for jewelry
FR3009780B1 (en) * 2013-08-26 2015-07-31 Anne Juliette Bercy SAFETY ANCHOR CLOSURE DEVICE FOR SECURING PRECIOUS JEWELERY PARANCRAGE
USD811011S1 (en) * 2016-02-12 2018-02-20 Woo Sung Yun Thumb ring for nail clipper

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DE664395C (en) * 1938-08-26 Otto Keinath Two-part holder for connecting two pieces of clothing
US1337577A (en) * 1919-01-16 1920-04-20 Henry G Wernimont Coupling or snap
US1419644A (en) * 1920-08-18 1922-06-13 Chase Companies Inc Insulating coupling unit for pull-socket chains
US1716267A (en) * 1928-06-15 1929-06-04 Bead Chain Mfg Co Attachment for ball chains
US3054157A (en) * 1959-12-09 1962-09-18 E A Adams & Son Inc End connector for molded beads
US3224060A (en) * 1963-08-13 1965-12-21 Ogden Leila Harris Clasp for strung beads
US3385050A (en) * 1966-03-08 1968-05-28 Auto Swage Products Inc Beaded chain
DE6804377U (en) * 1968-10-29 1969-03-13 Anke Schnittger CLOSURE FOR A JEWELRY CHAIN
DE1905602A1 (en) * 1969-02-05 1970-08-13 Wolfgang Eberle Clasp for jewelry chains
IT1007103B (en) * 1973-02-27 1976-10-30 Kohle J Kg CLOSURE FOR ORNAMENT CHAINS, NECKLACES AND THE LIKE
DE2411573A1 (en) * 1974-03-11 1975-09-25 Burkhardt Fa Wilhelm Easily manipullable necklace clasp with eyelet - has incomplete annular body adjoining decorative cover and resiliently movable to receive eyelet
ES276594Y (en) * 1983-12-28 1984-12-16 Majorica, S.A. SLIDING HOOK FOR CLOSING OF PEARL NECKLACES AND SIMILAR ITEMS OF JEWELRY AND JEWELERY
US4745667A (en) * 1987-07-20 1988-05-24 Victoria Creations, Inc. Closure device and buckle

Also Published As

Publication number Publication date
EP0383203A1 (en) 1990-08-22
AU624903B2 (en) 1992-06-25
DK0383203T3 (en) 1993-02-22
DE59000377D1 (en) 1992-12-03
ATE81754T1 (en) 1992-11-15
AU4971390A (en) 1990-08-16
DE8901609U1 (en) 1989-05-11
JPH02241403A (en) 1990-09-26
US5018250A (en) 1991-05-28
ES2036063T3 (en) 1993-05-01
JPH0417641B2 (en) 1992-03-26

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