EP0782876A2 - Constructional toys - Google Patents
Constructional toys Download PDFInfo
- Publication number
- EP0782876A2 EP0782876A2 EP96120995A EP96120995A EP0782876A2 EP 0782876 A2 EP0782876 A2 EP 0782876A2 EP 96120995 A EP96120995 A EP 96120995A EP 96120995 A EP96120995 A EP 96120995A EP 0782876 A2 EP0782876 A2 EP 0782876A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- elements
- cross
- constructional toy
- section
- star
- 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.)
- Granted
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Classifications
-
- 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
- A63H33/10—Building blocks, strips, or similar building parts to be assembled by means of additional non-adhesive elements
- A63H33/105—Building blocks, strips, or similar building parts to be assembled by means of additional non-adhesive elements with grooves, e.g. dovetails
Definitions
- the blocks 42 also have central apertures 52 defined by tubular walls 54, both substantially identical to the aperture 24 and walls 26 of the block 12, and both having their axes parallel to the longitudinal axes of the grooves 50.
- the blocks 42 can therefore be connected to each other and to the blocks 12 by means of the connecting elements 30, again in a great variety of orientations.
- a third form of auxiliary connecting element is indicated 78 in Figures 25 to 27, and comprises a half element 72 having one end of its flat side 74 integrally joined to and projecting perpendicularly from one end of a connecting element 30, forming an L-shape (or an inverted L-shape, as viewed in Figures 26 and 27).
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- Toys (AREA)
Abstract
Description
- This invention relates to constructional toys.
- One prior art form of constructional toy is described in United Kingdom Patent Specification No 959 581, and comprises main building elements consisting of rectangular panels having outer edges which engage in parallel grooves in the side faces of common connector elements, to build up generally box-like structures. While such a toy can build up a variety of box-like structures, its versatility, or ability to build up other shapes, is somewhat limited.
- United Kingdom Patent Application No 2 224 953 describes a constructional toy that goes a considerable way towards alleviating the lack of versatility of the prior art constructional toy. However, it is an object of the present invention to provide a constructional toy which is even more versatile than the constructional toy of United Kingdom Patent Application No 2 224 953.
- According to the present invention, there is provided a constructional toy comprising a plurality of elements of at least two different types which can be assembled together to form a variety of three-dimensional structures, said elements including:
- a main element in the form of a building block having a plurality of flat side surfaces, at least one of said surfaces having a groove therein, said groove having a mouth narrower than the remainder thereof; and
- an elongate connecting element having a cross-section in the shape of a symmetrical four pointed star, said connecting element being a tight sliding fit in said groove, with any two adjacent points of its star-shaped cross-section trapped in the groove and the other two points disposed outside the groove;
whereby two of said main elements can be secured together in four relative orientations, successively spaced apart by 90°, by means of one of said connecting elements engaged in a respective groove in each main element;
wherein at least some main elements are triangular in cross-section, and at least some main elements are square in cross-section. - The points of the star-shape of the cross-section of the connecting element may be rounded or squared, in which case the side surfaces of each point are advantageously made substantially parallel to each other, whereby to render the star-shape substantially cruciform.
- Preferably, each groove is shaped to be substantially complementary in cross-section to the cross-sectional shape of any two adjacent points of the star-shaped cross-section of the connecting element.
- In a preferred embodiment of the invention, the grooves have slight indentations at each end thereof, which cooperate with complementary slight projections provided at each end of the connecting elements on each star point of their cross-sectional shape. The connecting elements may have further slight projections, similar to the firstmentioned projections but of twice the length, at their midpoints, again on each star point of their cross-sectional shape, for co-operating with said slight indentations.
- Conveniently, each main element has first and second substantially planar, parallel, ends which are interconnected by said side surfaces. Further, each of said side surfaces preferably extends perpendicularly to said ends.
- The toy may include additional main elements, each having a cross-section, perpendicular to said side surfaces, in the shape of a rectangle or a regular hexagon.
- The main elements and connecting elements may be made in a plurality of heights, of which the greater heights are conveniently integral multiples of the smallest height.
Said side surfaces of the triangular, square and hexagonal main elements are preferably all of the same width, while for the rectangular main elements, the shorter side surfaces are preferably of the same width as the side surfaces of the triangular, square and hexagonal main elements and the longer side surfaces are preferably of twice this width. - In a preferred embodiment of the invention, the main elements are all hollow, with one of said planar ends closed and the other open.
- Preferably, all the elements are moulded in a suitable plastics material, for example ABS, acrylic plastic, polystyrene or polypropylene.
- The invention will now be described, by way of example only, with reference to the accompanying drawings, of which:
- Figures 1 to 4 are respectively top, bottom, side and sectional views of one form of main building element of a constructional toy in accordance with the present invention;
- Figure 5 is a perspective view of the element of Figures 1 to 4 from its underside;
- Figures 6 and 7 are much enlarged cross-sectional and side views respectively of a connecting element for use with the main building elements of Figures 1 to 5;
- Figure 8 to 10 are respectively top, bottom and sectional views of another form of main building element of the constructional toy of the present invention;
- Figures 11 to 13 are respectively top, bottom and sectional views of yet another form of main building element of the constructional toy of the present invention;
- Figures 14 to 17 show a variety of ways in which the elements of Figures 1 to 13 can be connected together;
- Figure 18 is a cross-sectional view of an alternative form of the connecting element of Figures 6 and 7;
- Figures 19 to 21 are plan, side and perspective views respectively of an auxiliary connecting element of the constructional toy of the present invention;
- Figures 22 to 24 are plan, side and perspective views respectively of another form of auxiliary connecting element of the constructional toy of the present invention;
- Figures 25 to 27 are plan, side and perspective views respectively of a still further form of auxiliary connecting element of the constructional toy of the present invention; and
- Figures 28 to 30 are plan, side and perspective views respectively of yet another form of auxiliary connecting element of the constructional toy of the present invention.
- The main building element of Figures 1 to 5 is indicated generally at 10, and comprises a hollow square-
section building block 12 having four identicalrectangular side surfaces 13 each perpendicular to its two adjacent side surfaces and extending between substantially square and planar top andbottom ends top end 14 is flat and substantially closed, while thebottom end 16 is open. - Each of the
side surfaces 13 is provided with an identical generally dovetail-shaped groove 20 extending perpendicularly between the top andbottom ends groove 20 rises symmetrically from each side of the groove to acentral ridge 21, which extends substantially the whole length of the groove and is provided at each end, for reasons which will become apparent hereinafter, with a slight cutaway portion or recess 22. - The
block 12 is also provided with a cylindrical aperture orpassage 24 whose axis extends from the centre of thetop end 14 of the block to the centre of the bottom end 16: thus it will be appreciated that the axis of theaperture 24 extends parallel to the longitudinal axes of thegrooves 20. Thisaperture 24 is defined bytubular walls 26 depending from and integral with thetop end 14. Theaperture 24 has a very slightly enlargeddiameter portion 28 at its entrance in thetop end 14 of theblock 12, while thetubular walls 26 terminate just above theopen end 16, again for reasons which will become apparent hereinafter. - The
block 12 is moulded in one piece in a suitable plastics material such as ABS or polypropylene, and is typically 25 mm square by 25 mm high. - The constructional toy of the present invention comprises plurality of the
blocks 12, preferably moulded in different colours. Furthermore, and as will also become apparent hereinafter, differently shaped blocks, all having grooves and apertures similar to thegrooves 20 andaperture 24, are also provided. A plurality of these differentlycoloured blocks 12 can then be joined together, both with each other and with the differently shaped blocks, to form a great variety of interesting and/or visually attractive three-dimensional structures, by means of elongate connecting elements of the kind indicated at 30 in Figures 6 and 7. - The connecting
element 30 of Figures 6 and 7 is made of the same material and in the same range of colours as theblocks 12, and has a cross-section in the form of a regular four pointed star, ie a star with four points equiangularly spaced apart by 90°. Theelement 30 is again 25 mm long, and the dimensions of its cross-sectional shape are such that if the cross section is diagonally divided, as shown in Figure 6 bydotted line 31, into twoidentical halves grooves 20. As a result, each of thehalves element 30 is a tight sliding fit within thegrooves 20. Thus two of theblocks 12 can be secured together by placing respective ones of theirside surfaces 13 in contact with each other, with thegrooves 20 aligned with each other, and then sliding a connectingelement 30 into bothgrooves 20 by sliding a respective one of its two-pointed halves blocks 12 are then firmly secured together with respective ones of theirside surfaces 13 held flush with each other. - The dimensions of the cross-sectional shape of the
connecting element 30 and the diameter of theaperture 24 are selected such that the connecting element is also a tight sliding fit in theaperture 24. This greatly increases versatility, since it means that theblocks 12 can be connected together to partially overlap each other and in a variety of orientations, merely by engaging half the length of a connectingelement 30 in theaperture 24 in one block, and the other half in agroove 20 or theaperture 24 in another block. - The connecting
element 30 is further provided, at each end, with respective small projections orpips 36 typically 1.5 mm long, on each star point of its cross-sectional shape. Additionally, similar small projections orpips 38, typically 3.0 mm long, are provided on each star point of the cross-sectional shape of the connectingelement 30 at the middle of its length. Thepips recesses 22 in thegrooves 20, and with the enlargeddiameter portions 28 of theapertures 24 and the shortened lower ends of thetubular walls 26, to provide a light locking action, or "clicking into position", when the whole length or half the length of a connecting element is inserted into a groove or an aperture. - The range of three-dimensional structures that can be built can be increased still further by incorporating additional
main building elements 40 each in the form of a three-sided block of the kind indicated at 42 in Figures 8 to 10. Theblocks 42 are again 25 mm high, and are made in the same material, and the same range of colours, as theblocks 12 of Figures 1 to 5. However, instead of being square, theblocks 42 have a cross-section in the shape of an equilateral triangle of 25mm each side. Thus eachblock 42 has flat parallel top andbottom ends identical side surfaces 48 perpendicular to theends central groove 50 identical to thegrooves 20 of theblocks 12, thetop end 44 being closed and thebottom end 46 being open. Theblocks 42 also havecentral apertures 52 defined by tubular walls 54, both substantially identical to theaperture 24 andwalls 26 of theblock 12, and both having their axes parallel to the longitudinal axes of thegrooves 50. Theblocks 42 can therefore be connected to each other and to theblocks 12 by means of the connectingelements 30, again in a great variety of orientations. - A third kind of main building element is shown at 60 in Figures 11 to 13. The
element 60 comprises arectangular block 62 which is effectively twoblocks 12 having their respective side faces 13 integrally joined together, to form a single rectangular block 25mm by 50mm in cross-section by 25 mm high. As a result, theblock 62 has twoparallel grooves 64 in each of its longer sides, and either twoapertures 66, one in the centre of each half, or preferably only one such aperture, in its centre, as shown in Figures 11 to 13. - Figures 14 to 17 illustrate by way of example just a few of the relative orientations in which the
elements 60 can be connected together by theelements 30, as well as some of the resulting three dimensional structures that can be built using theelements 10 and theconnecting elements 30. Clearly a great variety of such structures, especially solid geometrical structures of the polyhedron kind, can be built, depending almost entirely on the imagination of the builder. One of the features of the present invention which particularly facilitates the building of large complex structures is the very strong interconnection between themain building elements elements 30 in the complementarily-shaped grooves in the main building elements. - Yet another kind of main building element (not shown), in the form of a hexagonal section block with planar ends (one closed, one open), a central aperture and grooves in each of its six side faces, can be provided if desired, again with 25mm side width, and again in the same range of colours as the
blocks - Several modifications can be made to the described embodiment of the invention.
- For example, the dovetail-shaped
grooves - Furthermore, the star-shaped cross-section of the connecting
elements 30 can be modified by rounding or squaring the points of its star shape, and additionally by making the side surfaces of each point substantially parallel to each other. In this latter case, the star-shaped cross-section of the connectingelements 30 is rendered substantially cruciform, as shown in Figure 18. Also in this latter case, the dovetail-shapedgrooves elements 30, so increasing the area of contact between the connecting element and thegroove respective block elements 30 connect theblocks - In another modification, some of the
apertures respective blocks apertures - Also, dimensions other than those specifically mentioned can be used, and at least some of the
various blocks - Although the use of the word "height" implies that the various building elements are used in the orientation in which they are shown in the drawings, they can in fact be used in other orientations if desired, especially one in which the dimension referred to as "height" extends horizontally.
- In addition to the
principal connecting elements 30 of Figures 6 and 7 and Figure 18, the constructional toy of the present invention can also include a number of different auxiliary connecting elements, each based upon the half of a principal connecting element on one side of a plane which longitudinally bisects the principal element and the respective opposed included angles between opposed pairs of adjacent points of its cross-section, such that said half connecting element has a flat side defined by said plane and two star points inclined at 45° in opposite directions to the normal to said flat side. - A first such auxiliary connecting element is indicated at 70 in Figures 19 to 21, and comprises two such half members, indicated at 72, integrally joined together at the midpoints of their
flat sides 74 and extending at 90° to each other. A connectingelement 70 can connect together twomain elements 10 with their side surfaces 13 in contact with each other but with theirrespective grooves 20 extending perpendicularly to each other, thus further increasing the versatility of the toy. - A second form of auxiliary connecting element is indicated at 76 in Figures 22 to 24, and comprises one
half element 72 having a connectingelement 30 integrally joined to and projecting perpendicularly from the midpoint of itsflat side 74, to form a T-shape. Again,main elements 10 can be connected together in additional relative orientations by means of the connectingelements 76. - A third form of auxiliary connecting element is indicated 78 in Figures 25 to 27, and comprises a
half element 72 having one end of itsflat side 74 integrally joined to and projecting perpendicularly from one end of a connectingelement 30, forming an L-shape (or an inverted L-shape, as viewed in Figures 26 and 27). - Figures 28 to 30 show a fourth
auxiliary connecting element 80, which is basically similar in concept to the T-shapedelement 76 but has theelement 30 replaced by atubular element 82 dimensioned to be a tight sliding fit in theapertures element 82 is slotted at 84 to give it some resilience, and can be arranged to be rotatable in its aperture if desired, thus further increasing the possible relative orientations of the main building elements and the versatility of the toy.
Claims (12)
- A constructional toy comprising a plurality of elements of at least two different types which can be assembled together to form a variety of three-dimensional structures, said elements including:a main element in the form of a building block having a plurality of flat side surfaces, at least one of said surfaces having a groove therein, said groove having a mouth narrower than the remainder thereof; andan elongate connecting element having a cross-section in the shape of a symmetrical four pointed star, said connecting element being a tight sliding fit in said groove, with any two adjacent points of its star-shaped cross-section trapped in the groove and the other two points disposed outside the groove;
whereby two of said main elements can be secured together in four relative orientations, successively spaced apart by 90°, by means of one of said connecting elements engaged in a respective groove in each main element;
wherein at least some main elements are triangular in cross-section, and at least some main elements are square in cross-section. - A constructional toy as claimed in claim 1, wherein said side surfaces of the triangular and square main elements are all of the same width.
- A constructional toy as claimed in claim 1 or claim 2, wherein each main element has first and second substantially planar, parallel, ends which are interconnected by said side surfaces.
- A constructional toy as claimed in claim 3, wherein each of said side surfaces extends perpendicularly to said ends.
- A constructional toy as claimed in claim 3 or claim 4, wherein the main elements are all hollow, with one of said planar ends closed and the other open.
- A constructional toy as claimed in any preceding claim, wherein the main elements and the connecting elements are made in a plurality of heights, of which the greater heights are integral multiples of the smallest height.
- A constructional toy as claimed in any preceding claim, wherein the points of the star-shape of the cross-section of the connecting element are rounded or squared.
- A constructional toy as claimed in any preceding claim, wherein the side surfaces of each point are made substantially parallel to each other, whereby to render the star-shape substantially cruciform.
- A constructional toy as claimed in any preceding claim, wherein each groove is shaped to be substantially complementary in cross-section to the cross-sectional shape of any two adjacent points of the star-shaped cross-section of the connecting element.
- A constructional toy as claimed in any preceding claim, wherein the grooves have slight indentations at each end thereof, which co-operate with complementary slight projections provided at each end of the connecting elements on each star point of their cross-sectional shape.
- A constructional toy as claimed in claim 10, wherein the connecting elements have further slight projections, similar to the firstmentioned projections but of twice the length, at their midpoints, again on each star point of their cross-sectional shape, for co-operating with said slight indentations.
- A constructional toy as claimed in any preceding claim, wherein said main elements and said connecting elements are moulded in a plastics material selected from ABS, acrylic plastic, polystyrene and polypropylene.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB919109914A GB9109914D0 (en) | 1991-05-03 | 1991-05-03 | Constructional toys |
GB9109914 | 1991-05-03 | ||
GB919124100A GB9124100D0 (en) | 1991-05-03 | 1991-11-13 | Constructional toys |
GB9124100 | 1991-11-13 | ||
EP92909228A EP0660742A1 (en) | 1991-05-03 | 1992-05-01 | Constructional toys |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92909228A Division EP0660742A1 (en) | 1991-05-03 | 1992-05-01 | Constructional toys |
EP92909228.6 Division | 1992-11-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0782876A2 true EP0782876A2 (en) | 1997-07-09 |
EP0782876A3 EP0782876A3 (en) | 1998-01-07 |
EP0782876B1 EP0782876B1 (en) | 2000-11-29 |
Family
ID=10694615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96120995A Expired - Lifetime EP0782876B1 (en) | 1991-05-03 | 1992-05-01 | Constructional toys |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0782876B1 (en) |
GB (2) | GB9109914D0 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2139510A1 (en) * | 1997-08-04 | 2000-02-01 | Iglesias Torreira Jose Maria | Construction system with modular pyramid-shaped pieces |
WO2000020085A1 (en) * | 1998-10-01 | 2000-04-13 | Palimondial S.A. | Building block construction system |
EP2117664A1 (en) * | 2007-02-05 | 2009-11-18 | Niilo Hotti | Toy building set, connector for a toy building block, and toy building block |
CN104857728A (en) * | 2014-02-25 | 2015-08-26 | 奇斯威克创新有限公司 | Constructional toy |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB959581A (en) | 1960-02-22 | 1964-06-03 | Max Amsler | Improvements relating to a building block system for use as a toy and like article |
GB2224953A (en) | 1988-09-12 | 1990-05-23 | Jonathan Christopher Mott | Constructional toy |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB593321A (en) * | 1945-06-14 | 1947-10-14 | Horace Hems | Improvements in toy buildings |
US2765581A (en) * | 1956-02-02 | 1956-10-09 | Adler Alfons | Play block |
DE1958689A1 (en) * | 1968-11-25 | 1970-06-18 | Bostroem Carl Eric | Building block set |
FR2563746B1 (en) * | 1984-05-02 | 1987-10-30 | Albert Jean Paul | CONNECTING ELEMENT FOR CONSTRUCTION GAMES |
-
1991
- 1991-05-03 GB GB919109914A patent/GB9109914D0/en active Pending
- 1991-11-13 GB GB919124100A patent/GB9124100D0/en active Pending
-
1992
- 1992-05-01 EP EP96120995A patent/EP0782876B1/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB959581A (en) | 1960-02-22 | 1964-06-03 | Max Amsler | Improvements relating to a building block system for use as a toy and like article |
GB2224953A (en) | 1988-09-12 | 1990-05-23 | Jonathan Christopher Mott | Constructional toy |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2139510A1 (en) * | 1997-08-04 | 2000-02-01 | Iglesias Torreira Jose Maria | Construction system with modular pyramid-shaped pieces |
WO2000020085A1 (en) * | 1998-10-01 | 2000-04-13 | Palimondial S.A. | Building block construction system |
EP2117664A1 (en) * | 2007-02-05 | 2009-11-18 | Niilo Hotti | Toy building set, connector for a toy building block, and toy building block |
EP2117664A4 (en) * | 2007-02-05 | 2011-01-05 | Niilo Hotti | Toy building set, connector for a toy building block, and toy building block |
CN104857728A (en) * | 2014-02-25 | 2015-08-26 | 奇斯威克创新有限公司 | Constructional toy |
Also Published As
Publication number | Publication date |
---|---|
EP0782876B1 (en) | 2000-11-29 |
GB9109914D0 (en) | 1991-07-03 |
EP0782876A3 (en) | 1998-01-07 |
GB9124100D0 (en) | 1992-01-02 |
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