WO2017064335A1 - Mechanical puzzle game - Google Patents
Mechanical puzzle game Download PDFInfo
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- WO2017064335A1 WO2017064335A1 PCT/ES2015/070739 ES2015070739W WO2017064335A1 WO 2017064335 A1 WO2017064335 A1 WO 2017064335A1 ES 2015070739 W ES2015070739 W ES 2015070739W WO 2017064335 A1 WO2017064335 A1 WO 2017064335A1
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- WIPO (PCT)
- Prior art keywords
- core
- moving parts
- polyhedron
- sphere
- rotation
- 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.)
- Ceased
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Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F9/00—Games not otherwise provided for
- A63F9/06—Patience; Other games for self-amusement
- A63F9/08—Puzzles provided with elements movable in relation, i.e. movably connected, to each other
Definitions
- the object of the present invention is a mechanical puzzle game, based on polytopes with rotating vertices; comprising a core on which movable parts are mounted.
- This puzzle game has features aimed at providing different degrees of difficulty and a high number of game combinations.
- the mechanical puzzle game object of this invention comprising a central core on which a plurality of moving parts are mounted, has constructive features oriented to facilitate the assembly and disassembly of the moving parts, to allow the rotation of each of the pieces on a single axis; however, the puzzle provides a high number of combinations and the possibility of presenting different degrees of difficulty for the user.
- the mechanical puzzle game object of this invention is characterized in that the core is formed by a polyhedron inscribable in a sphere, and the moving parts partially cover the outer surface of the core; said moving parts on their outer surface having radii defining on said outer surface radial sectors characterized by tactile or visually differentiable means, said means being, for example, different textures, colors, reliefs or prints.
- Each moving part is coupled to the core by means of a rotation axis that allows the rotation of each moving part with respect to the core on a single axis.
- the movable parts may have a conical, pyramidal or spherical cap configuration having provided in an embodiment of the invention that the axes of rotation of said movable parts are centered with respect to the faces of a polyhedron inscribable in a sphere, coinciding the sectorizing radios in number and distribution with the vertices of the polygon that constitutes the corresponding face.
- This arrangement of the characterized sectors allows the parts to rotate mobile said characterized sectors are changing position, facing the successive edges and vertices of that face of the polyhedron inscribable in a sphere on which they are mounted.
- the possibilities of play are diverse and can be, for example, to ensure that sectors with the same characterizations, or with different characterizations, belonging to the moving parts mounted on the faces of the faces of the same edge, or in the same vertex of the inscribable polyhedron coincide polyhedron inscribable in a sphere.
- the axes of rotation which can be defined in the moving parts or in the polyhedron inscribable in a sphere, have a snap-in head in a defined hole in the faces of the core forming polyhedron or in the moving part corresponding, said axes allowing the rotation of each of the pieces only with respect to the geometric axis of said axis of rotation.
- the polyhedron inscribable in a sphere that forms the nucleus is a polyhedron selected from any of the following groups: Platonic, Archimedean, Prism and Anti-Prism polyhedra, Norman Johnson solids, bipyramids, trapezohedra, Eugene Charles Catalán solids and deltahedrons
- FIG. 1 shows a perspective view of an exemplary embodiment of a mechanical puzzle game according to the invention.
- FIG. 2 shows a perspective view of the core and two of the moving pieces of the puzzle of the previous figure in the disassembled position.
- - Figure 3 shows a sectioned detail of the coupling of some of the moving parts with the core.
- the puzzle game of the invention comprises a core (1) constituted by a polyhedron inscribable in a sphere, specifically in this case by a cuboctahedron having fourteen faces (11) forming squares and triangles equilateral, twenty four edges (12) and twelve vertices (14) converging in each and every one of its vertices four edges.
- a movable part (2a, 2b) is mounted that has on its outer surface radii (21) coinciding in number and distribution with the segments that join the geometric center of the face corresponding to the nucleus with each of its vertices, the corresponding face being the one through whose geometric center the axis of rotation of each moving part passes.
- Said radii (21) define in each moving part (2a, 2b) some sectors (22) characterized in this case with different colors; presenting the puzzle in the moving parts (2a, 2b) a total of seven different colors, three of them in the moving parts (2b) of three sectors, and the remaining four in the moving parts (2a) of four sectors.
- the moving parts (2a), with four sectors (22), have a quadrangular pyramidal configuration; and the moving parts (2b), with three sectors, have an equilateral triangular base pyramidal configuration, in both cases coinciding with the radii (21) sectorizers with the edges of the mentioned pyramids.
- these moving parts could have a conical shape, or as a spherical cap, presenting the same distribution of radii and sectors as the moving parts (2a, 2b) described and represented in the figures.
- the moving parts (2a, 2b) are mounted on the geometric center of the faces of the hub-shaped cuboctahedron (1) and a detail of an example of an embodiment of its coupling can be seen in Figure 3.
- Each moving part (2a, 2b) has on its internal face and in correspondence with its central area or vertex (23) a pivot axis (24) that has a pressure-coupled head (25) in a hole (13) defined in the geometric center of the corresponding face (11) of the core (1); allowing the rotation of the moving part (2a, 2b) only with respect to the geometric axis said axis of rotation (24).
- These coupling means between the moving parts (2a, 2b) and the core (1) allow the puzzle to present different degrees of difficulty for its resolution.
- the puzzle can be delivered to the fully assembled player, that is, with the moving parts coupled to the core in the correct positions but with the disordered turning positions; at an intermediate level the puzzle can be delivered to the partially assembled player, that is, having placed in its place a greater or lesser number of moving parts (2a, 2b) and obviously increasing the difficulty the smaller the number of pieces delivered core mounted; at a maximum level of difficulty the puzzle is supplied completely disassembled, the player must be the one who finds both the mounting positions of the moving parts (2a, 2b) in the core (1) and the turning positions of each of said pieces.
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Abstract
Description
DESCRIPCIÓN DESCRIPTION
Título. Juego de rompecabezas mecánico Objeto de la invención. Title. Mechanical puzzle game Object of the invention.
El objeto de la presente invención es un juego de rompecabezas mecánico, basado en politopos con vértices giratorios; comprendiendo un núcleo sobre el que se encuentran montadas unas piezas móviles. The object of the present invention is a mechanical puzzle game, based on polytopes with rotating vertices; comprising a core on which movable parts are mounted.
Este juego de rompecabezas presenta unas características orientadas a proporcionar diferentes grados de dificultad y un elevado número de combinaciones de juego. This puzzle game has features aimed at providing different degrees of difficulty and a high number of game combinations.
Estado de la técnica. State of the art
Actualmente son conocidos diferentes antecedentes de rompecabezas mecánicos, tales como el cubo de Rubik y sus variantes, la esfera Marusenko, la serpiente Rubik, el Brainstring, el Mindjewel, o los cubos de Lan Lan que disponen de una serie de piezas móviles que dispuestas convenientemente permiten definir diferentes combinaciones de formas y/o colores. En estos antecedentes las piezas móviles presentan unas configuraciones complejas que encarecen su fabricación, que requieren una cierta destreza para realizar el montaje inicial del rompecabezas y que presentan un grado de dificultad único y extremadamente complejo para principiantes. Por tanto como referencia al actual estado de la técnica cabe mencionar que, si bien ya existen en el mercado diferentes tipos y modelos de juegos rompecabezas mecánicos, el solicitante desconoce la existencia de ningún antecedente que presente unas características técnicas estructurales y constructivas semejantes a las del que es objeto de la presente invención. Descripción de la invención. Different mechanical puzzle backgrounds are currently known, such as the Rubik's cube and its variants, the Marusenko sphere, the Rubik snake, the Brainstring, the Mindjewel, or the Lan Lan cubes that have a series of moving parts that are conveniently arranged allow to define different combinations of shapes and / or colors. In this background, the moving parts have complex configurations that make them more expensive, which require a certain skill to perform the initial assembly of the puzzle and that present a unique and extremely complex degree of difficulty for beginners. Therefore, as a reference to the current state of the art, it is worth mentioning that, although there are already different types and models of mechanical puzzle games on the market, the applicant is unaware of the existence of any antecedents that present structural and constructive technical characteristics similar to those of the which is the subject of the present invention. Description of the invention
El juego de rompecabezas mecánico objeto de esta invención, comprendiendo un núcleo central sobre el que se encuentran montadas una pluralidad de piezas móviles, presenta unas características constructivas orientadas a facilitar el montaje y desmontaje de las piezas móviles, a permitir el giro de cada una de las piezas sobre un único eje; proporcionando sin embargo el rompecabezas un elevado número de combinaciones y la posibilidad de presentar diferentes grados de dificultad para el usuario. The mechanical puzzle game object of this invention, comprising a central core on which a plurality of moving parts are mounted, has constructive features oriented to facilitate the assembly and disassembly of the moving parts, to allow the rotation of each of the pieces on a single axis; however, the puzzle provides a high number of combinations and the possibility of presenting different degrees of difficulty for the user.
Para conseguir los objetivos mencionados, el juego de rompecabezas mecánico objeto de esta invención, está caracterizado porque el núcleo está conformado por un poliedro inscribible en una esfera, y las piezas móviles cubren parcialmente la superficie exterior del núcleo; presentando dichas piezas móviles en su superficie exterior unos radios que definen en dicha superficie exterior unos sectores radiales caracterizados con unos medios diferenciables táctil o visualmente, pudiendo ser dichos medios por ejemplo diferentes texturas, colores, relieves o impresiones. Cada pieza móvil se encuentra acoplada al núcleo mediante un eje de giro que posibilita el giro de cada pieza móvil respecto al núcleo en un único eje. To achieve the aforementioned objectives, the mechanical puzzle game object of this invention is characterized in that the core is formed by a polyhedron inscribable in a sphere, and the moving parts partially cover the outer surface of the core; said moving parts on their outer surface having radii defining on said outer surface radial sectors characterized by tactile or visually differentiable means, said means being, for example, different textures, colors, reliefs or prints. Each moving part is coupled to the core by means of a rotation axis that allows the rotation of each moving part with respect to the core on a single axis.
Con estas características mediante el giro de las piezas móviles sobre sus respectivos ejes se pueden obtener diferentes orientaciones y disposiciones de los sectores radiales diferenciados en la superficie exterior de las piezas móviles. With these characteristics, by rotating the moving parts on their respective axes, different orientations and arrangements of the differentiated radial sectors on the outer surface of the moving parts can be obtained.
Cabe mencionar que las piezas móviles pueden presentar una configuración cónica, piramidal o a modo de casquete esférico habiéndose previsto en una realización de la invención que los ejes de giro de dichas piezas móviles se encuentren centrados respecto a las caras de un poliedro inscribible en una esfera, coincidiendo los radios sectorizadores en número y distribución con los vértices del polígono que constituye la cara correspondiente. It should be mentioned that the movable parts may have a conical, pyramidal or spherical cap configuration having provided in an embodiment of the invention that the axes of rotation of said movable parts are centered with respect to the faces of a polyhedron inscribable in a sphere, coinciding the sectorizing radios in number and distribution with the vertices of the polygon that constitutes the corresponding face.
Esta disposición de los sectores caracterizados permite que al girar las piezas móviles dichos sectores caracterizados vayan cambiando de posición, enfrentándose a las sucesivas aristas y vértices de aquella cara del poliedro inscribible en una esfera sobre la que se encuentran montadas. Las posibilidades de juego son diversas pudiendo tratarse por ejemplo de conseguir que en una misma arista o en un mismo vértice del poliedro inscribible en una esfera coincidan sectores con las mismas caracterizaciones, o con caracterizaciones diferentes, pertenecientes a las piezas móviles montadas en las caras del poliedro inscribible en una esfera. This arrangement of the characterized sectors allows the parts to rotate mobile said characterized sectors are changing position, facing the successive edges and vertices of that face of the polyhedron inscribable in a sphere on which they are mounted. The possibilities of play are diverse and can be, for example, to ensure that sectors with the same characterizations, or with different characterizations, belonging to the moving parts mounted on the faces of the faces of the same edge, or in the same vertex of the inscribable polyhedron coincide polyhedron inscribable in a sphere.
En un ejemplo de realización los ejes de giro, que pueden encontrarse definidos en las piezas móviles o en el poliedro inscribible en una esfera, presentan una cabeza acoplable a presión en un orificio definido en las caras del poliedro conformante del núcleo o en la pieza móvil correspondiente, permitiendo dichos ejes el giro de cada una de las piezas únicamente respecto al eje geométrico de dicho eje de giro. In an exemplary embodiment, the axes of rotation, which can be defined in the moving parts or in the polyhedron inscribable in a sphere, have a snap-in head in a defined hole in the faces of the core forming polyhedron or in the moving part corresponding, said axes allowing the rotation of each of the pieces only with respect to the geometric axis of said axis of rotation.
De acuerdo con la invención el poliedro inscribible en una esfera conformante del núcleo es un poliedro seleccionado de cualquiera de los grupos siguientes: poliedros platónicos, arquimedianos, prismas y anti prismas, sólidos de Norman Johnson, bipirámides, trapezoedros, sólidos de Eugene Charles Catalán y deltaedros. According to the invention, the polyhedron inscribable in a sphere that forms the nucleus is a polyhedron selected from any of the following groups: Platonic, Archimedean, Prism and Anti-Prism polyhedra, Norman Johnson solids, bipyramids, trapezohedra, Eugene Charles Catalán solids and deltahedrons
Estas y otras características de la invención se comprenderán con mayor facilidad a la vista del ejemplo de realización mostrado en las figuras adjuntas. These and other features of the invention will be more readily understood in view of the exemplary embodiment shown in the attached figures.
Descripción de las figuras. Description of the figures.
Para complementar la descripción que se está realizando y con objeto de facilitar la comprensión de las características de la invención, se acompaña a la presente memoria descriptiva un juego de dibujos en los que, con carácter ilustrativo y no limitativo, se ha representado lo siguiente: To complement the description that is being made and in order to facilitate the understanding of the characteristics of the invention, a set of drawings is attached to the present specification in which, for illustrative and non-limiting purposes, the following has been represented:
- La figura 1 muestra una vista en perspectiva de un ejemplo de realización de un juego de rompecabezas mecánico según la invención. - La figura 2 muestra una vista en perspectiva del núcleo y dos de las piezas móviles del rompecabezas de la figura anterior en posición desmontada. - La figura 3 muestra un detalle seccionado del acoplamiento de unas de las piezas móviles con el núcleo. - Figure 1 shows a perspective view of an exemplary embodiment of a mechanical puzzle game according to the invention. - Figure 2 shows a perspective view of the core and two of the moving pieces of the puzzle of the previous figure in the disassembled position. - Figure 3 shows a sectioned detail of the coupling of some of the moving parts with the core.
Realización preferida de la invención. En el ejemplo de realización mostrado en las figuras adjuntas el juego de rompecabezas de la invención comprende un núcleo (1) constituido por un poliedro inscribible en una esfera, concretamente en este caso por un cuboctaedro que presenta catorce caras (11) formando cuadrados y triángulos equiláteros, veinticuatro aristas (12) y doce vértices (14) convergiendo en todos y cada uno de sus vértices cuatro aristas. Preferred embodiment of the invention. In the example of embodiment shown in the attached figures, the puzzle game of the invention comprises a core (1) constituted by a polyhedron inscribable in a sphere, specifically in this case by a cuboctahedron having fourteen faces (11) forming squares and triangles equilateral, twenty four edges (12) and twelve vertices (14) converging in each and every one of its vertices four edges.
Sobre el centro geométrico de cada cara del núcleo (1) se encuentra montada una pieza móvil (2a, 2b) que presenta en su superficie exterior unos radios (21) coincidentes en número y distribución con los segmentos que unen el centro geométrico de la cara correspondiente del núcleo con cada uno de sus vértices, siendo la cara correspondiente aquélla por cuyo centro geométrico pasa el eje de giro de cada pieza móvil. On the geometric center of each face of the core (1) a movable part (2a, 2b) is mounted that has on its outer surface radii (21) coinciding in number and distribution with the segments that join the geometric center of the face corresponding to the nucleus with each of its vertices, the corresponding face being the one through whose geometric center the axis of rotation of each moving part passes.
Es decir que para el caso concreto del núcleo (1) formado por un cuboctaedro hay seis piezas móviles (2a) con cuatro radios (21) sectorizadores y ocho piezas móviles (2b) con tres radios (21) sectorizadores. In other words, in the specific case of the core (1) formed by a cuboctahedron there are six moving parts (2a) with four radii (21) sectorizers and eight moving parts (2b) with three radii (21) sectorizers.
Dichos radios (21) definen en cada pieza móvil (2a, 2b) unos sectores (22) caracterizados en este caso con diferentes colores; presentando el rompecabezas en las piezas móviles (2a, 2b) un total de siete colores diferentes, tres de ellos en las piezas móviles (2b) de tres sectores, y los cuatro restantes en las piezas móviles (2a) de cuatro sectores. Said radii (21) define in each moving part (2a, 2b) some sectors (22) characterized in this case with different colors; presenting the puzzle in the moving parts (2a, 2b) a total of seven different colors, three of them in the moving parts (2b) of three sectors, and the remaining four in the moving parts (2a) of four sectors.
En el ejemplo mostrado en las figuras las piezas móviles (2a), con cuatro sectores (22), presentan una configuración piramidal cuadrangular; y las piezas móviles (2b), con tres sectores, presentan una configuración piramidal de base triangular equilátera, coincidiendo en ambos casos los radios (21) sectorizadores con las aristas de las mencionadas pirámides. In the example shown in the figures the moving parts (2a), with four sectors (22), have a quadrangular pyramidal configuration; and the moving parts (2b), with three sectors, have an equilateral triangular base pyramidal configuration, in both cases coinciding with the radii (21) sectorizers with the edges of the mentioned pyramids.
En el ejemplo mostrado las piezas móviles (2a, 2b), piramidales, una vez montadas correctamente sobre el núcleo cuboctaédrico, conforman un rombododecaedro, que es precisamente el poliedro dual del cuboctaedro del núcleo. No obstante y tal como ya se ha mencionado anteriormente estas piezas móviles podrían presentar una forma cónica, o a modo de casquete esférico, presentando la misma distribución de radios y sectores que las piezas móviles (2a, 2b) descritas y representadas en las figuras. Las piezas móviles (2a, 2b) se encuentran montadas sobre el centro geométrico de las caras del cuboctaedro conformante del núcleo (1) pudiendo observarse en la figura 3 un detalle de un ejemplo de realización de su acoplamiento. In the example shown, the mobile parts (2a, 2b), pyramidal, once correctly mounted on the cuboctahedral core, form a rhombodecahedron, which is precisely the dual polyhedron of the nucleus cuboctahedron. However, as already mentioned, these moving parts could have a conical shape, or as a spherical cap, presenting the same distribution of radii and sectors as the moving parts (2a, 2b) described and represented in the figures. The moving parts (2a, 2b) are mounted on the geometric center of the faces of the hub-shaped cuboctahedron (1) and a detail of an example of an embodiment of its coupling can be seen in Figure 3.
Cada pieza móvil (2a, 2b) dispone en su cara interna y en correspondencia con su zona central o vértice (23) un eje de giro (24) que presenta una cabeza (25) acoplable a presión en un orificio (13) definido en el centro geométrico de la correspondiente cara (11) del núcleo (1); permitiendo el giro de la pieza móvil (2a, 2b) únicamente respecto al eje geométrico dicho eje de giro (24). Estos medios de acoplamiento entre las piezas móviles (2a, 2b) y el núcleo (1) permiten que el rompecabezas pueda presentar diferentes grados de dificultad para su resolución. En un nivel básico o de menor dificultad se puede entregar el rompecabezas al jugador totalmente montado, es decir, con las piezas móviles acopladas al núcleo en las posiciones correctas pero con las posiciones de giro desordenadas; en un nivel intermedio se puede entregar el rompecabezas al jugador parcialmente montado, es decir, habiéndose colocado en su lugar un número mayor o menor de piezas móviles (2a, 2b) e incrementándose obviamente la dificultad cuanto menor sea el número de piezas que se entregan montadas en el núcleo; en un nivel máximo de dificultad se suministra el rompecabezas totalmente desmontado, debiendo ser el propio jugador el que encuentre tanto las posiciones de montaje de las piezas móviles (2a, 2b) en el núcleo (1) como las posiciones de giro de cada una de dichas piezas. Una vez descrita suficientemente la naturaleza de la invención, así como un ejemplo de realización preferente, se hace constar a los efectos oportunos que los materiales, forma, tamaño y disposición de los elementos descritos podrán ser modificados, siempre y cuando ello no suponga una alteración de las características esenciales de la invención que se reivindican a continuación. Each moving part (2a, 2b) has on its internal face and in correspondence with its central area or vertex (23) a pivot axis (24) that has a pressure-coupled head (25) in a hole (13) defined in the geometric center of the corresponding face (11) of the core (1); allowing the rotation of the moving part (2a, 2b) only with respect to the geometric axis said axis of rotation (24). These coupling means between the moving parts (2a, 2b) and the core (1) allow the puzzle to present different degrees of difficulty for its resolution. On a basic or less difficult level, the puzzle can be delivered to the fully assembled player, that is, with the moving parts coupled to the core in the correct positions but with the disordered turning positions; at an intermediate level the puzzle can be delivered to the partially assembled player, that is, having placed in its place a greater or lesser number of moving parts (2a, 2b) and obviously increasing the difficulty the smaller the number of pieces delivered core mounted; at a maximum level of difficulty the puzzle is supplied completely disassembled, the player must be the one who finds both the mounting positions of the moving parts (2a, 2b) in the core (1) and the turning positions of each of said pieces. Once the nature of the invention has been sufficiently described, as well as a preferred embodiment, it is stated for the appropriate purposes that the materials, shape, size and arrangement of the described elements may be modified, provided that this does not imply an alteration. of the essential features of the invention that are claimed below.
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/ES2015/070739 WO2017064335A1 (en) | 2015-10-13 | 2015-10-13 | Mechanical puzzle game |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/ES2015/070739 WO2017064335A1 (en) | 2015-10-13 | 2015-10-13 | Mechanical puzzle game |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2017064335A1 true WO2017064335A1 (en) | 2017-04-20 |
Family
ID=58517844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/ES2015/070739 Ceased WO2017064335A1 (en) | 2015-10-13 | 2015-10-13 | Mechanical puzzle game |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2017064335A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4500090A (en) * | 1982-05-14 | 1985-02-19 | Antoliano Nieto | Polyhedral puzzle |
| US5816571A (en) * | 1997-07-08 | 1998-10-06 | Chen; Tsun Ding | Spherical puzzle toy |
| DE20211793U1 (en) * | 2002-07-26 | 2003-01-02 | Djukic, Nicky, 28211 Bremen | Ball shaped combination game, comprises fixed pieces with undercut shafts and equilateral triangle shaped movable pieces with specific geometry |
| US6652347B1 (en) * | 2002-09-09 | 2003-11-25 | Saso Stevkovski | Entertainment device |
| US20130056931A1 (en) * | 2011-09-01 | 2013-03-07 | Igor Goldman | Stellated Icosahedron Puzzle |
-
2015
- 2015-10-13 WO PCT/ES2015/070739 patent/WO2017064335A1/en not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4500090A (en) * | 1982-05-14 | 1985-02-19 | Antoliano Nieto | Polyhedral puzzle |
| US5816571A (en) * | 1997-07-08 | 1998-10-06 | Chen; Tsun Ding | Spherical puzzle toy |
| DE20211793U1 (en) * | 2002-07-26 | 2003-01-02 | Djukic, Nicky, 28211 Bremen | Ball shaped combination game, comprises fixed pieces with undercut shafts and equilateral triangle shaped movable pieces with specific geometry |
| US6652347B1 (en) * | 2002-09-09 | 2003-11-25 | Saso Stevkovski | Entertainment device |
| US20130056931A1 (en) * | 2011-09-01 | 2013-03-07 | Igor Goldman | Stellated Icosahedron Puzzle |
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