EP0327988A2 - Coupling device for polygonal elements to create three-dimensional structures, especially polyhedral toy structures - Google Patents

Coupling device for polygonal elements to create three-dimensional structures, especially polyhedral toy structures Download PDF

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Publication number
EP0327988A2
EP0327988A2 EP89101873A EP89101873A EP0327988A2 EP 0327988 A2 EP0327988 A2 EP 0327988A2 EP 89101873 A EP89101873 A EP 89101873A EP 89101873 A EP89101873 A EP 89101873A EP 0327988 A2 EP0327988 A2 EP 0327988A2
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EP
European Patent Office
Prior art keywords
recess
coupling device
polygonal
projection
complementary
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Granted
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EP89101873A
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German (de)
French (fr)
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EP0327988B1 (en
EP0327988A3 (en
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Josef Volgger
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Individual
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H33/00—Other toys
    • A63H33/04—Building blocks, strips, or similar building parts
    • A63H33/06—Building blocks, strips, or similar building parts to be assembled without the use of additional elements
    • A63H33/08—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails

Definitions

  • the present invention relates to a coupling device for polygonal parts for the formation of spatial structures, in particular polygonal toys, wherein a polygonal part in the area of each of its sides has a coupling device which is intended to provide the part itself with an identical or different polygonal part To connect part which is provided with a complementary coupling device such that a multi-surface, spatial structure is formed with a plurality of such polygonal parts.
  • the object of the present invention is to propose a coupling device designed in this way for polygonal parts that each part can be rotated relative to the other into a position in which further parts can be connected, so that spatially open or closed, precisely defined spatial structures are formed can be.
  • this object is achieved, starting from a coupling device of the type described in the introduction, in that it has at least one groove-like recess and at least one spring-like projection along each side of a polygonal part is complementary to at least one coupling device of further polygonal parts, each recess on at least one of the sides parallel to the insertion direction of the projection of a complementary coupling device having an elastically flexible undercut and the projection having an undercut complementary to the undercut of the recess, the undercuts with one another on a common one Align the axis in such a way that mutual pivoting between two coupled, polygonal parts is permitted.
  • a coupling device is thus designed for polygonal parts to form spatial structures, in particular versatile toys.
  • a polygonal part in the area of each of its sides has a coupling device for connecting the part itself to an identical or different polygonal part, which is provided with a complementary coupling device such that a multifaceted, spatial structure is formed with a large number of such polygonal parts can.
  • a triangular part As can be seen from FIG. 1, a triangular part, generally designated by the reference number 10, has a coupling device on each side.
  • the coupling device has a recess 11 and a projection 12.
  • the recess 11 is groove-like complementary to the spring-like projection 12.
  • an elastically flexible nose 13 projects from the same edge of the recess 11.
  • the nose 13 is located on the side opposite the edge 15 of the recess 11 which is common to the projection 12.
  • On the edge 15 of the projection 12 facing away from the edge 13 a recess 14 complementary to the nose is incorporated.
  • an incision 16 is incorporated in the projection 12, which relieves the material in such a way that the depression 14 is elastically flexible in the direction of the nose 13.
  • the recess 11 and the projection 12 are arranged on each side of each polygonal part in the same order, so that polygonal parts which are provided with the same coupling devices can be coupled to one another in a snap when they are rotated relative to one another by 180 ° in the plane.
  • FIG. 3 shows an example of three polygonal parts, one of which has a square shape 17, one of a triangular shape 18 and one of a pentagonal shape.
  • Each part can advantageously be coupled to the other in any position pivoted about the axis formed by the nose 13 and the recess 14. It is thus possible to form a spatial structure with a multitude of possible combinations.
  • a coupling device according to the invention is shown in a further embodiment in FIGS.
  • Two projections 20 and 21 and two recesses or receptacles 22 and 23 are provided.
  • the distance between the projections 20 and 21 is equal to the distance from the pair of recesses 22 and 23.
  • Each projection 20, 21 is formed by a substantially spherical head which is connected to the polygonal part 24 by means of an elastic tab 25 which is pivotable about the side of the polygonal part 24.
  • Each projection 20, 21 shaped in this way can moreover be inserted in a complementary manner into the recesses 22 and 23 of a further part, which is provided with the same coupling device. This is indicated in the figures by dashed lines with a spherical undercut 26.
  • Each head belonging to the projection 20, 21 preferably has an incision 27 in a direction parallel to the insertion direction of the spherical projection 20, 21 in the recesses 22, 23. This further ensures the elasticity of the material for the mutual assembly of different polygonal parts. It should be noted that in this case too, as already described with reference to the first embodiment, it is possible to obtain a large number of spatial, multifaceted structures by also using different polygonal parts.
  • the individual polygonal parts could also be provided with circular receptacles 28 with undercuts 29 which accommodate the connecting parts 30.
  • Each connecting part 30 is provided at each end with a spherical head 31 and 32 which is complementary to the receptacles 28.
  • the spherical heads 31 and 32 could be provided with incisions (not shown further), which make the heads themselves resilient.
  • each individual polygonal part can be any. It is only important that the individual coupling devices have sufficient elasticity to be able to be coupled to one another in a snap.
  • the coupling devices described for the polygonal parts described are particularly suitable for didactic, spatial toys.

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Abstract

The polygonal part has in the region of each of its sides a coupling device which is intended to connect the part itself to an identical or different polygonal part which is provided with a complementary coupling device in such a way that a polyhedral, three-dimensional structure having a plurality of such polygonal parts is formed. Along each side of a polygonal part, the coupling device has at least one groove-type recess and at least one spring-type projection, which recess and projection are complementary to at least one coupling device of further polygonal parts. On at least one of the sides parallel to the insertion direction of the projection of a complementary coupling device, each recess has an elastically resilient undercut (23) and the projection (21) has an undercut which is complementary to the undercut of the recess. The undercuts are in alignment with one another on a common axis in such a way that a mutual swivelling between two coupled polygonal parts is allowed. At least one projection preferably has a material relieve incision in the vicinity of the recess in such a way that the elastic resilience of the spring-type or groove-type undercut provided there is increased. <IMAGE>

Description

Die vorliegende Erfindung bezieht sich auf eine Kupplungseinrichtung für vieleckige Teile zur Bildung von räumlichen Gefügen, insbesondere von vielflächigen Spielzeugen, wobei ein vieleckiger Teil im Bereich einer jeden seiner Seiten eine Kupplungseinrichtung aufweist, die dazu bestimmt ist, den Teil selbst mit einem identischen oder verschieden­artigen vieleckigen Teil zu verbinden, der mit einer komplementären Kupplungseinrichtung derart versehen ist, daß ein vielflächiges, räumliches Gefüge mit einer Vielzahl von derartigen vieleckigen Teilen gebildet wird.The present invention relates to a coupling device for polygonal parts for the formation of spatial structures, in particular polygonal toys, wherein a polygonal part in the area of each of its sides has a coupling device which is intended to provide the part itself with an identical or different polygonal part To connect part which is provided with a complementary coupling device such that a multi-surface, spatial structure is formed with a plurality of such polygonal parts.

Es ist bekannt, Teile verschiedener gemometrischer Formen zu verbinden, um beispielsweise mit einer Steckverbindung beliebige Figuren darstellende, räumliche Gefüge zu erhalten.It is known to connect parts of different geometrical shapes in order, for example, to obtain spatial structures representing any figures with a plug connection.

Bekannt ist auch, Teile durch Bolzen miteinander zu verbinden, um so eine gegenseitige Verschwenkung der Teile ausführen zu können.It is also known to connect parts to one another by means of bolts so that the parts can be pivoted relative to one another.

Während im erstgenannten Fall der Zusammenbau meistens in vielfäl­tiger Weise wiederholbar ist, sind im zweitgenannten Fall üblicherweise nur zwei Teile kombinierbar, um sie miteinander drehverschwenkbar zusammenzuhalten.While in the former case the assembly can usually be repeated in many different ways, in the latter case usually only two parts can be combined in order to hold them together in a pivotable manner.

Die Aufgabe der vorliegenden Erfindung besteht darin, eine derart gestaltete Kupplungseinrichtung für vieleckige Teile vorzuschlagen, daß jeder Teil gegenüber dem anderen in eine Stellung gedreht werden kann, in der weitere Teile verbunden werden können, so daß räumlich offene oder geschlossene, genau festgelegte räumliche Gefüge gebildet werden können.The object of the present invention is to propose a coupling device designed in this way for polygonal parts that each part can be rotated relative to the other into a position in which further parts can be connected, so that spatially open or closed, precisely defined spatial structures are formed can be.

Erfindungsgemäß wird diese Aufgabe, ausgehend von einer Kupplungsein­richtung der eingangs beschriebenen Art dadurch gelöst, daß sie längs jeder Seite eines vieleckigen Teils mindestens eine nutenartige Ausnehmung und mindestens einen federartigen Vorsprung aufweist, die mindestens zu einer Kupplungseinrichtung von weiteren vieleckigen Teilen komplementär ist, wobei jede Ausnehmung an mindestens einer der zur Einführrichtung des Vorsprunges einer komplementären Kupplungseinrichtung parallelen Seite eine elastisch nachgiebige Hinter­schneidung und der Vorsprung eine zur Hinterschneidung der Ausnehmung komplementäre Hinterschneidung aufweist, wobei die Hinterschneidungen miteinander auf einer gemeinsamen Achse derart fluchten, daß eine gegenseitige Verschwenkung zwischen zwei gekoppelten, vieleckigen Teilen erlaubt wird.
Hierdurch wird somit eine Kupplungseinrichtung ausgeführt für vieleckige Teile zur Bildung von räumlichen Gefügen, insbesondere von vielseitigen Spielzeugen. Hierbei weist somit ein vieleckiger Teil im Bereich jeder seiner Seiten eine Kupplungseinrichtung zur Verbindung des Teiles selbst mit einem identischen oder verschiedenartigen vieleckigen Teil auf, der mit einer komplementären Kupplungsein­richtung derart versehen ist, daß ein vielflächiges, räumliches Gefüge mit einer Vielzahl derartiger vieleckiger Teile gebildet werden kann.According to the invention, this object is achieved, starting from a coupling device of the type described in the introduction, in that it has at least one groove-like recess and at least one spring-like projection along each side of a polygonal part is complementary to at least one coupling device of further polygonal parts, each recess on at least one of the sides parallel to the insertion direction of the projection of a complementary coupling device having an elastically flexible undercut and the projection having an undercut complementary to the undercut of the recess, the undercuts with one another on a common one Align the axis in such a way that mutual pivoting between two coupled, polygonal parts is permitted.
As a result, a coupling device is thus designed for polygonal parts to form spatial structures, in particular versatile toys. Here, a polygonal part in the area of each of its sides has a coupling device for connecting the part itself to an identical or different polygonal part, which is provided with a complementary coupling device such that a multifaceted, spatial structure is formed with a large number of such polygonal parts can.

Vorteilhafte Ausgestaltungen dieses Erfindungsgedankens werden in den Unteransprüchen 2 bis 6 beschrieben.Advantageous refinements of this inventive concept are described in subclaims 2 to 6.

Weitere Einzelheiten und die Vorteile der erfindungsgemäßen Kupp­lungseinrichtung gehen näher aus der folgenden Beschreibung von zwei in den Figuren der beigelegten Zeichnung dargestellten Ausführungsformen hervor. In der Zeichnung zeigen,

  • Figur 1 in Draufsicht einen im wesentlichen dreieckigen Teil mit erfindungsgemäßen Kupplungseinrichtungen,
  • Figur 2 in schaubildlicher, abgebrochener Ansicht die erfin­dungsgemäße Kupplungseinrichtung längs einer Seite eines vieleckigen Teiles,
  • Figur 3 in Draufsicht eine Kombinationsmöglichkeit von drei verschiedenen, die erfindungsgemäße Kupplungseinrich­tung aufweisenden Teilen,
  • Figur 4 einen dreieckigen Teil mit einer erfindungsgemäßen Kupplungseinrichtung in einer zweiten Ausführungsform,
  • Figur 5 eine Ansicht gemäß Pfeil V des Teils aus Figur 4,
  • Figur 6 in schaubildlicher, abgebrochener Ansicht die Kupp­lungseinrichtung aus Figur 4 und 5, und
  • Figur 7 eine Variante im Schnitt zur beabstandeten Verbindung von zwei vieleckigen Teilen.
Further details and the advantages of the coupling device according to the invention will become apparent from the following description of two embodiments shown in the figures of the accompanying drawing. Show in the drawing
  • FIG. 1 shows a top view of an essentially triangular part with coupling devices according to the invention,
  • FIG. 2 is a diagrammatic, broken view of the coupling device according to the invention along one side of a polygonal part,
  • 3 shows a top view of a possible combination of three different parts having the coupling device according to the invention,
  • FIG. 4 shows a triangular part with a coupling device according to the invention in a second embodiment,
  • FIG. 5 shows a view according to arrow V of the part from FIG. 4,
  • Figure 6 in a diagrammatic, broken view, the coupling device from Figures 4 and 5, and
  • Figure 7 shows a variant in section for the spaced connection of two polygonal parts.

Wie aus Figur 1 ersichtlich, weist ein dreieckiger, insgesamt mit der Bezugsziffer 10 bezeichneter Teil an jeder Seite eine Kupplungseinrich­tung auf.As can be seen from FIG. 1, a triangular part, generally designated by the reference number 10, has a coupling device on each side.

Gemäß der Erfindung weist die Kupplungseinrichtung eine Ausnehmung 11 und einen Vorsprung 12 auf. Die Ausnehmung 11 ist nutenartig komplementär zum federartigen Vorsprung 12. Rechtwinklig zur Einführrichtung des Vorsprungs 12 ragt von demselben Rand der Ausnehmung 11 eine elastisch nachgiebige Nase 13 vor. Die Nase 13 befindet sich an der dem mit dem Vorsprung 12 gemeinsamen Rand 15 der Ausnehmung 11 entgegengesetzten Seite. An dem dem Rand 15 abge­kehrten Rand des Vorsprungs 12 ist eine zur Nase 13 komplementäre Vertiefung 14 eingearbeitet. In der Nähe der Vertiefung ist im Vorsprung 12 ein Einschnitt 16 eingearbeitet, der das Material derart entlastet, daß die Vertiefung 14 in Richtung zur Nase 13 elastisch nachgiebig ist. Die Ausnehmung 11 und der Vorsprung 12 sind auf jeder Seite eines jeden vieleckigen Teils in derselben Reihenfolge angeordnet, so daß vieleckige Teile, die mit denselben Kupplungseinrichtungen versehen sind, schnappartig miteinander gekuppelt werden können, wenn sie zueinander um 180° in der Ebene gedreht sind.According to the invention, the coupling device has a recess 11 and a projection 12. The recess 11 is groove-like complementary to the spring-like projection 12. At right angles to the direction of insertion of the projection 12, an elastically flexible nose 13 projects from the same edge of the recess 11. The nose 13 is located on the side opposite the edge 15 of the recess 11 which is common to the projection 12. On the edge 15 of the projection 12 facing away from the edge 13 a recess 14 complementary to the nose is incorporated. In the vicinity of the depression, an incision 16 is incorporated in the projection 12, which relieves the material in such a way that the depression 14 is elastically flexible in the direction of the nose 13. The recess 11 and the projection 12 are arranged on each side of each polygonal part in the same order, so that polygonal parts which are provided with the same coupling devices can be coupled to one another in a snap when they are rotated relative to one another by 180 ° in the plane.

In Figur 3 ist ein Beispiel von drei vieleckigen Teilen gezeigt, von denen einer eine quadratische Form 17, einer eine dreieckige Form 18 und einer eine fünfeckige Form besitzt.FIG. 3 shows an example of three polygonal parts, one of which has a square shape 17, one of a triangular shape 18 and one of a pentagonal shape.

Mit Vorteil kann jeder Teil mit dem anderen in beliebiger, um von der Nase 13 und der Vertiefung 14 gebildeten Achse verschwenkter Stellung gekuppelt werden. So ist es möglich, ein räumliches Gefüge mit einer Vielzahl von Kombinationsmöglichkeiten zu bilden.Each part can advantageously be coupled to the other in any position pivoted about the axis formed by the nose 13 and the recess 14. It is thus possible to form a spatial structure with a multitude of possible combinations.

In Figur 4 und 5 ist eine erfindungsgemäße Kupplungseinrichtung in einer weiteren Ausführungsform dargestellt. Dabei sind zwei Vorsprünge 20 und 21 und zwei Ausnehmungen oder Aufnahmen 22 und 23 vorgesehen. Der Abstand zwischen den Vorsprüngen 20 und 21 ist gleich dem Abstand gegenüber dem Paar von Ausnehmungen 22 und 23 versetzt.A coupling device according to the invention is shown in a further embodiment in FIGS. Two projections 20 and 21 and two recesses or receptacles 22 and 23 are provided. The distance between the projections 20 and 21 is equal to the distance from the pair of recesses 22 and 23.

Jeder Vorsrpung 20, 21 ist durch einen im wesentlichen kugelförmigen Kopf gebildet, der mit dem vieleckigen Teil 24 mittels einer elastischen Lasche 25 verbunden ist, die um die Seite des vieleckigen Teils 24 verschwenkbar ist. Jeder so geformte Vorsprung 20, 21 ist überdies komplementär in die Ausnehmung 22 und 23 eines weiteren Teiles schnappartig einführbar, der mit derselben Kupplungseinrichtung versehen ist. Dies ist in den Figuren mit strichlierten Linien mit einer kugelförmigen Hinterschneidung 26 angegeben.Each projection 20, 21 is formed by a substantially spherical head which is connected to the polygonal part 24 by means of an elastic tab 25 which is pivotable about the side of the polygonal part 24. Each projection 20, 21 shaped in this way can moreover be inserted in a complementary manner into the recesses 22 and 23 of a further part, which is provided with the same coupling device. This is indicated in the figures by dashed lines with a spherical undercut 26.

Vorzugsweise weist jeder zum Vorsprung 20, 21 gehörige Kopf in einer zur Einführrichtung des kugelförmigen Vorsprungs 20, 21 in die Ausneh­mungen 22, 23 parallelen Richtung einen Einschnitt 27 auf. Somit ist die Elastizität des Materials für die gegenseitige Montage von verschiedenen vieleckigen Teilen weiters gewährleistet. Es ist zu bemerken, daß es auch in diesem Fall, wie schon unter Bezugnahme auf die erste Ausführungs­form beschrieben, möglich ist, eine Vielzahl von räumlichen, vielflächi­gen Gefügen zu erhalten, indem auch verschiedene vieleckige Teile verwendet werden.Each head belonging to the projection 20, 21 preferably has an incision 27 in a direction parallel to the insertion direction of the spherical projection 20, 21 in the recesses 22, 23. This further ensures the elasticity of the material for the mutual assembly of different polygonal parts. It should be noted that in this case too, as already described with reference to the first embodiment, it is possible to obtain a large number of spatial, multifaceted structures by also using different polygonal parts.

Die einzelnen vieleckigen Teile könnten auch mit kreisförmigen Aufnahmen 28 mit Hinterschneidungen 29 versehen sein, die Verbin­dungsteile 30 aufnehmen. Jedes Verbindungsteil 30 ist dabei an jedem Ende mit einem kugelförmigen Kopf 31 und 32 versehen, der jeweils zu den Aufnahmen 28 komplementär ist. Auch in diesem Falle könnten die kugelförmigen Köpfe 31 und 32 mit nicht weiters dargestellten Einschnitten versehen sein, die die Köpfe selbst elastisch nachgiebig gestalten.The individual polygonal parts could also be provided with circular receptacles 28 with undercuts 29 which accommodate the connecting parts 30. Each connecting part 30 is provided at each end with a spherical head 31 and 32 which is complementary to the receptacles 28. In this case too, the spherical heads 31 and 32 could be provided with incisions (not shown further), which make the heads themselves resilient.

Auch wenn in den Figuren ebene, vieleckige Teile dargestellt sind, könnten diese jedoch auch in einer räumlichen Form ausgebildet sein. Es ist bloß wichtig, daß die einzelnen Kupplungsteile sich an Seiten des Teils befinden, die in derselben Ebene liegen.Even if flat, polygonal parts are shown in the figures, these could, however, also be designed in a spatial shape. It is only important that the individual coupling parts are on sides of the part that are in the same plane.

Das Material eines jeden einzelnen vieleckigen Teils kann beliebig sein. Es ist bloß wichtig, daß die einzelnen Kupplungseinrichtungen eine ausreichende Elastizität aufweisen, um miteinander schnappartig gekuppelt werden zu können.The material of each individual polygonal part can be any. It is only important that the individual coupling devices have sufficient elasticity to be able to be coupled to one another in a snap.

Die für die beschriebenen vieleckigen Teile beschriebenen Kupplungs­einrichtungen sind vor allem für didaktische, räumliche Spielzeuge geeignet.The coupling devices described for the polygonal parts described are particularly suitable for didactic, spatial toys.

Claims (6)

1. Kupplungseinrichtung für vieleckige Teile zur Bildung von räum­lichen Gefügen, insbesondere von vielflächigen Spielzeugen, wobei ein vieleckiger Teil im Bereich einer jeden seiner Seiten eine Kupplungseinrichtung aufweist, die dazu bestimmt ist, den Teil selbst mit einem identischen oder verschiedenartigen vieleckigen Teil zu verbinden, der mit einer komplementären Kupplungseinrichtung derart versehen ist, daß ein vielflächiges, räumliches Gefüge mit einer Vielzahl von derartigen vieleckigen Teilen gebildet wird, dadurch gekennzeichnet, daß sie längs jeder Seite eines vieleckigen Teils (10, 24) mindestens eine nutenartige Ausnehmung (11; 22, 23) und mindestens einen federartigen Vorsprung (12; 20, 21) aufweist, die mindestens zu einer Kupplungseinrichtung von weiteren vieleckigen Teilen komplementär ist, wobei jede Ausnehmung (11; 22, 23) an mindestens einer der zur Einführrichtung des Vorsprungs einer komplementären Kupplungseinrichtung parallelen Seiten eine elastisch nachgiebige Hinterschneidung (13; 22) und der Vorsprung (11; 20, 23) eine zur Hinterschneidung der Ausnehmung komplemen­täre Hinterschneidung (14; 20, 21) aufweist, wobei die Hinterschnei­dungen miteinander auf einer gemeinsamen Achse derart fluchten, daß eine gegenseitige Verschwenkung zwischen zwei gekoppelten, vieleckigen Teilen erlaubt wird.1. Coupling device for polygonal parts for the formation of spatial structures, in particular polyhedron toys, wherein a polygonal part in the area of each of its sides has a coupling device which is intended to connect the part itself with an identical or different polygonal part, the is provided with a complementary coupling device such that a multifaceted, spatial structure is formed with a multiplicity of such polygonal parts, characterized in that it has at least one groove-like recess (11; 22, 23) along each side of a polygonal part (10, 24) ) and at least one spring-like projection (12; 20, 21), which is complementary to at least one coupling device of further polygonal parts, each recess (11; 22, 23) on at least one of the sides parallel to the insertion direction of the projection of a complementary coupling device an elastically compliant Undercut (13; 22) and the projection (11; 20, 23) has an undercut (14; 20, 21) which is complementary to the undercut of the recess, the undercuts being aligned with one another on a common axis such that mutual pivoting between two coupled, polygonal parts allows becomes. 2. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Vorsrpünge in der Nähe einer Ausnehmung einen Materialentla­stungseinschnitt (16; 27) aufweisen.2. Device according to claim 1, characterized in that the projections have a material relief cut (16; 27) in the vicinity of a recess. 3. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Ausnehmung (11) eine im wesentlichen rechteckige Form aufweist, in der die Hinterschneidung in der Form einer Nase (13) hervorragt, die zur als Vertiefung (14) ausgearbeiteten Hinterschneidung am Seitenrand des zur Ausnehmung (11) komplementären Vorsprungs (12) komplementär ist.3. Device according to claim 1, characterized in that the recess (11) has a substantially rectangular shape in which the undercut in the shape of a nose (13) protrudes, which is designed as a recess (14) undercut on the side edge of the Recess (11) complementary projection (12) is complementary. 4. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Ausnehmung (22, 23) eine kugelförmige Aufnahme und der Vorsprung (20, 21) ein kugelförmiger Kopf ist, der mittels einer Lasche (25) mit der Seite eines jeden Teils verbunden ist.4. Device according to claim 1, characterized in that the recess (22, 23) is a spherical receptacle and the projection (20, 21) is a spherical head which is connected to the side of each part by means of a tab (25). 5. Einrichtung nach Anspruch 4, dadurch gekennzeichnet, daß jeder Kopf des Vorsprunges (20, 21) mit einem Einschnitt (27) versehen ist, der das Material des Kopfes rechtwinklig zur Einführrichtung eines jeden Kopfes in die komplementäre Aufnahme elastisch nachgiebig gestaltet.5. Device according to claim 4, characterized in that each head of the projection (20, 21) is provided with an incision (27) which makes the material of the head elastically resilient at right angles to the direction of insertion of each head into the complementary receptacle. 6. Einrichtung nach den vorangehenden Ansprüchen, dadurch gekenn­zeichnet, daß sie für vieleckige Teile, wie z.B. dreieckige, quadratische, fünfeckige, usw. verwendet wird.6. Device according to the preceding claims, characterized in that it for polygonal parts, such as. triangular, square, pentagonal, etc. is used.
EP89101873A 1988-02-11 1989-02-03 Coupling device for polygonal elements to create three-dimensional structures, especially polyhedral toy structures Expired - Lifetime EP0327988B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT480888 1988-02-11
IT04808/88A IT1220418B (en) 1988-02-11 1988-02-11 COUPLING DEVICE FOR POLYGONAL ELEMENTS INTENDED TO FORM SPACE STRUCTURES, IN PARTICULAR POLYHEDRICAL TOYS

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EP0327988A2 true EP0327988A2 (en) 1989-08-16
EP0327988A3 EP0327988A3 (en) 1990-08-22
EP0327988B1 EP0327988B1 (en) 1994-07-20

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US (1) US5100358A (en)
EP (1) EP0327988B1 (en)
AT (1) ATE108684T1 (en)
DE (1) DE58908053D1 (en)
ES (1) ES2058353T3 (en)
IT (1) IT1220418B (en)

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Also Published As

Publication number Publication date
ATE108684T1 (en) 1994-08-15
IT8804808A0 (en) 1988-02-11
IT1220418B (en) 1990-06-15
ES2058353T3 (en) 1994-11-01
DE58908053D1 (en) 1994-08-25
EP0327988B1 (en) 1994-07-20
US5100358A (en) 1992-03-31
EP0327988A3 (en) 1990-08-22

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