EP1852168A1 - Jouet polyedrique - Google Patents

Jouet polyedrique Download PDF

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Publication number
EP1852168A1
EP1852168A1 EP05809693A EP05809693A EP1852168A1 EP 1852168 A1 EP1852168 A1 EP 1852168A1 EP 05809693 A EP05809693 A EP 05809693A EP 05809693 A EP05809693 A EP 05809693A EP 1852168 A1 EP1852168 A1 EP 1852168A1
Authority
EP
European Patent Office
Prior art keywords
interlock
protrusion
hole
peripheral surface
constricted portion
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
Application number
EP05809693A
Other languages
German (de)
English (en)
Other versions
EP1852168B1 (fr
EP1852168A4 (fr
Inventor
Yasushi Ochi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BLD Oriental Co Ltd
Original Assignee
BLD Oriental Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BLD Oriental Co Ltd filed Critical BLD Oriental Co Ltd
Publication of EP1852168A1 publication Critical patent/EP1852168A1/fr
Publication of EP1852168A4 publication Critical patent/EP1852168A4/fr
Application granted granted Critical
Publication of EP1852168B1 publication Critical patent/EP1852168B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A63H33/06—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
    • 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
    • A63H33/086—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 with primary projections fitting by friction in complementary spaces between secondary projections, e.g. sidewalls
    • 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
    • A63H33/062—Building blocks, strips, or similar building parts to be assembled without the use of additional elements with clip or snap mechanisms

Definitions

  • the present invention relates to a polyhedral toy, on at least one face of which an extension is provided as an interlock protrusion, and in at least another face of which an interlock hole is formed; more particularly, the invention relates to a polyhedral toy system in which a plurality of polyhedral toys are connected with each other by making interlocked coupling between their interlock protrusions and interlock holes to build a desired structure shaped in three dimensions, as with building blocks.
  • the first and second block elements have equal-sized cubic shapes, with an equal-sized cylindrical protrusion being formed on each of three faces of the first block element, a flat surface being formed on two other, contiguous faces, and a angular hole corresponding to the protrusion being formed on the remaining face.
  • a cylindrical protrusion of the same dimensions as those of the first block element is formed on one face of the second block element, with a round hole corresponding to the protrusion being formed on two of its other faces, a flat surface being formed on two other, contiguous faces, and an angular hole corresponding to the protrusion being formed on the remaining face.
  • the third block element has a hexahedral shape, and consecutive two faces of the third block element are formed to be square same in size as that of the first and second block elements, a cylindrical protrusion same in size as that of above described protrusion is formed on one of the two faces, and on another, a rectangular hole corresponding to the protrusion is formed, and additionally two faces adjacent to the two consecutive faces are formed parallel to each other, and the last two faces are formed perpendicular to the two square faces.
  • all the protrusions of these block elements are same in size and the rectangular hole of each block element and the round hole of the second block element correspond to the protrusions, so that the protrusion of each block element and the round or rectangular hole of another block element interlocks to connect the block elements freely with each other, and thus connecting three types of block elements with each other in this manner makes it possible to freely build a desired planar or three-dimensional shape.
  • Patent Document 1 Japanese Unexamined Pat. App. Pub. No. H05-277262 .
  • the polyhedral toys described above are conventionally provided to infants or very young children, and are often assembled into a miniaturized model of a ship, car, building, or other structures, most of which are of just the size that children can hold in their hands to play with, such that the size of the individual pieces is extremely small.
  • the polyhedral toys can be used to build a house large enough for play participants to enter into and a ship and car in which they get, the play participants experience the fun of using toys to build an assembled structure and of going into and out the assembled house and getting into the ship and car, with a sense of reality.
  • the present invention is made in view of the fact explained in the foregoing and for the purpose of providing a polyhedral toy from which a fun with a sense of reality is experienced, and furthermore that prevents injury, because of lightweight.
  • the present invention for resolving the problems involves an polyhedral toy that is an elastic polyhedron, on at least one face of which an extension is provided as an interlock protrusion, and in at least another one face of which an interlock hole is formed, the polyhedral toy characterized in that the interlock protrusion and interlock hole has geometries enabling reciprocally interlocking connection, the interlock protrusion has a constricted portion reduced in diameter, between a protrusion top portion and a base face, in addition, and an opening portion of the interlock hole is reduced in diameter, compared with the inside of the interlock hole.
  • the interlock protrusion of a first polyhedral toy and interlock hole of a second polyhedral toy are interlocked to connect the both polyhedral toys, and in such a manner, interlocking connections of a plurality of polyhedral toys enables are made to build a structure having a desired three-dimensional shape.
  • a interlock protrusion top portion whose diameter is larger than that of the constricted portion elastically constricts to deform, and meanwhile the opening portion of the interlock hole elastically deforms (including enlarged deformation), to enable the insertion of the interlock protrusion into the interlock hole, so that the interlock protrusion and interlock hole are interlocked.
  • the larger-diameter portion of the interlock protrusion and the opening portion of the interlock hole return from the deformation state to their original state to end in a state in which the opening portion of the interlock hole engages with the constricted portion of the interlock protrusion. And, such an engagement between the opening portion and constricted portion prevents the interlock protrusion from disengaging from the interlock hole to maintain the connection state between the assembled polyhedral toys, so that the three-dimensional shape of the built structure is favorably kept, even if the polyhedral toys are made of an elastic material.
  • the polyhedral toys are made of the elastic material, even if they are increased in size, play participants are able to build a structure slightly smaller, and to the contrary larger, than that in hull-size without being hurt, so that the play participants can enjoy more interesting play with a sense of more convincing reality.
  • the polyhedrons may be made of elastic porous material as typified by a sponge. In such a configuration, even if the polyhedral toys are made larger, an increase in their weight is prevented to allow infants to handle the toys without difficulties.
  • the surface of the interlock protrusion or interlock hole may be covered with a hard film.
  • the hard film prevents the interlock protrusion or interlock hole in the interlock relationship from elastically deforming to make the interlock protrusion less likely to disengage from the interlock hole, so that the three-dimensional shape of the built structure is maintained favorably.
  • a constricted portion-side outer peripheral surface of the interlock protrusion and the opening portion-side inner peripheral surface of the interlock hole at least partly engages with each other, when the interlock protrusion and interlock hole interlock to be coupled, and the constricted portion-side outer peripheral surface of the interlock protrusion is formed so that a span of the constricted portion-side outer peripheral surface becomes longer continuously from the constricted portion side toward the top portion side, while the opening portion-side inner peripheral surface of the interlock hole is formed so that a diameter of the opening portion-side inner peripheral surface becomes longer continuously from the opening portion side toward the bottom portion side, and so that the diameter of a part engaged with the constricted portion-side outer peripheral surface of the interlock protrusion is smaller than the span of the constricted portion-side outer peripheral surface.
  • the constricted portion-side outer peripheral surface of the interlock protrusion is engaged with the opening portion-side inner peripheral surface of the interlock hole, and a force of pulling the interlock protrusion into the interlock hole is generated by the elastic force of the interlock protrusion and interlock hole, so that even if a lot of polyhedral toys are assembled, they are prevented from breaking.
  • constricted portion of the interlock protrusion may be formed at a joint between the interlock protrusion and the base face. This allows the engagement between the constricted portion of the interlock protrusion and the opening portion of the interlock hole, with the interlock protrusion completely fitted into the interlock hole, and with the interlock protrusion-having surface abutting on the interlock hole-having surface, to make the interlocked connection state stable and non-wobbly.
  • the polyhedral toys of the present invention play participants are able to build a structure slightly smaller, and to the contrary larger, than that in full-size without being hurt, even if the polyhedral toys are made larger to a certain extent, because they are composed of an elastic material, so that the play participants enjoy more interesting play with a sense of more convincing reality.
  • the weigh of the toys is controlled to allow the infants to handle them without difficulties, and if the surface of the interlock protrusion or interlock hole is covered with the hard film, the interlock protrusion is unlikely to disengage from the interlock hole, so that the three-dimensional shape of the built structure is kept more favorably.
  • constricted portion-side outer peripheral surface of the interlock protrusion and the opening portion-side inner peripheral surface of the interlock hole at least partly engage with each other, the constricted portion-side outer peripheral surface of the interlock protrusion is formed so that the span becomes larger toward the top portion, and on the other hand the opening portion-side inner peripheral surface of the interlock hole is formed so that the diameter becomes larger toward the bottom portion and so that the diameter of a part engaged with the constricted portion-side outer peripheral surface becomes smaller than the span of the constricted portion-side outer peripheral surface allows the interlock protrusion is pulled into the interlock hole by the engaging relationship between the constricted portion-side outer peripheral surface of the interlock protrusion and the opening portion of the interlock hole to engage and connect the polyhedral toys with each other more simply and more securely, when they are fitted to and connected with each other, and such a configuration prevents the interlock protrusion from being disengaged from the interlock hole by the pulling force caused by the engaging relationship between the constric
  • the constricted portion of the interlock protrusion is formed at the joint of the interlock protrusion, the engagement between the constricted portion of the interlock protrusion and the opening portion of the interlock hole enables the interlock protrusion to fit to the interlock hole completely, resulting in a state in which the surface provided with the interlock protrusion abuts on that provided with the interlock hole, so that the connecting relationship between the polyhedral toys is stabilized without wobbly.
  • 1 Polyhedral toy; 2: Surface (base face); 3: Interlock protrusion; 4: Protrusion top portion; 5: Constricted portion; 6: Constricted portion-side outer peripheral surface; 7: Interlock hole; 8: Opening portion; 9: Opening portion-side inner peripheral surface.
  • Fig. 1 is a perspective view illustrating a polyhedral toy involving one embodiment of the present invention
  • Fig. 2 is a cross-sectional view in A-A direction in Fig. 1.
  • Fig. 3 is a cross-sectional view illustrating a state in which an interlock protrusion and an interlock hole interlock and couple with each other
  • Fig. 4 is a side view in B direction in Fig. 1
  • Fig. 5 is a perspective view illustrating a state in which several polyhedral toys involving this embodiment are connected.
  • a polyhedral toy 1 of this embodiment is made of, for example, elastic polyurethane sponge, and is shaped into a cube.
  • the interlock protrusions 3 are spherically formed, and a constricted portion 5 reduced in diameter is formed at a joint between the protrusion top 4 and the surface of the cube (base face).
  • the interlock holes 7 are formed into a concaved sphere so that the interlock protrusions 3 fit into the interlock holes 7 perfectly, and have shapes in which an opening portion 8 is reduced in diameter, compared with the inside of the interlock holes 7.
  • the constricted portion-side outer peripheral surface 6 of the interlock protrusions 3 is formed so that the span of the constricted portion-side outer peripheral surface becomes grater continuously (smoothly) from the constricted position 5 toward a protrusion top 4, while the opening portion-side inner peripheral surface 9 of the interlock holes 7 is formed so that a diameter of the opening portion-side inner peripheral surface becomes grater continuously (smoothly) from the opening portion 8 toward the bottom portion, and so that a diameter of a part engaged with the constricted portion-side outer peripheral surface 6 of the interlock protrusions 3 is smaller than the span of the constricted portion-side outer peripheral surface 6.
  • each cube face where the interlock protrusions 3 and interlock holes 7 are provided are disposed in two rows, and are arranged so that the spacing between the centerlines of each row, and the spacing between the rows are equidistant (2 ⁇ a ), and are arranged so that the distance to the centerlines from the two edges on the adjacent-most sides is this same distance ( a ).
  • the protrusions 3 of a first polyhedral toy 1 and the interlock holes 7 of a second polyhedral toy 1 are interlocked to connect both of the polyhedral toys 1, and likewise a plurality of polyhedral toys 1 are interlocked and connected to build a structure having a desired three-dimensional shape.
  • the polyhedral toy 1 is made larger to a certain extent, a house into which play participants can enter, and a ship and car into which they get can be built.
  • Fig. 5 illustrates, as an example of connecting relationship, a state in which three polyhedral toys 1 are connected, tough the number of the connected ones.
  • the larger-diameter portion of the interlock protrusions 3 and opening portion 8 of the interlock holes 7 return from deformation state to their former states, and the interlock protrusions 3 are fitted completely into the interlock holes 7, to end in a state in which opening portion 8 of the interlock holes 7 engages with the constricted portion of the interlock protrusions 3 as well as the constricted portion-side outer peripheral surface 6 of the interlock protrusions 3 engages with the opening portion-side inner peripheral surface of the interlock holes 7, with a surface having the interlock protrusions 3 abutting on a surface having the interlock holes 7.
  • the engagements between the opening portion 8 and constricted portion 5 and between the constricted portion-side outer peripheral surface and the opening portion-side inner peripheral surface prevent the interlock protrusions 3 from disengaging from the interlock holes 7, and ensure stabled interlocked coupling state without wobbly, to maintain connection relationship between the assembled polyhedral toys 1, so that the three-dimensional shape of the built structure is kept favorably, even if the polyhedral toys 1 are made of elastic material, as this embodiment.
  • the interlock protrusions 3 when the interlock protrusions 3 is inserted into the interlock holes 7, and the constricted portion-side outer peripheral surface 6 of the interlock protrusions 3 abuts on the opening portion 8 of the interlock holes 7, the interlock protrusions 3 are pulled into the interlock holes 7 by the elastic force of the interlock protrusions 3 and the interlock holes 7 to enable simple and secure interlocking connection between the polyhedral toys 1, because the span of the constricted portion-side outer peripheral surface 6 is smaller than the diameter of the opening portions 8 of the interlock holes 7.
  • the polyhedral toys 1 of elastic urethane sponge allows infants to handle them without difficulty, and prevents the infants from being injured, because the polyhedral toys are light weigh even if made larger to a certain extent, so that a structure slightly smaller, and to the contrary larger, than that in full-size, such as a house large enough for the play participants to enter and a ship and car into which they are able to get can be build, and more interesting play with a sense of more convincing reality.
  • the surface of the interlock protrusions 3 or the interlock holes 7 may be covered with a hard film such as resin.
  • the hard film prevents the interlock protrusions 3 and interlock holes 7 in interlock relationship from deforming, so that the interlock protrusions 3 are less likely to disengage from the interlock holes 7, and thus the three-dimensional shape of the built structure is maintained more favorably, compared with above example.
  • urethane sponge is employed, but it is not limited to the urethane sponge, for example, if having elasticity, not only sponge made up of other material but also rubber material such as natural rubber and synthetic rubber may be used.
  • the basic shape of the polyhedral toys 1 is not limited to a sphere in above example. If polyhedral, the polyhedral toys 1 may be in any shapes including pyramid, and the face to which interlock protrusions 3 and interlock holes 7are provided, the number and position of them are not limited to above example.
  • the shapes of the interlock protrusions 3 and interlock holes 7 are not limited to the above example. If they are shaped to be able to interlock and couple with each other, the interlock protrusions 3 have a constricted portion reduced in diameter between the protrusion top and the base face, and the opening portion 8 of the interlock holes 7 is reduced in diameter, compared with the inside of the interlock holes 7, the interlock protrusions 3 and interlock holes 7 may be in any shapes, so they can be shaped as illustrates in Fig. 6 through Fig. 13.
  • Fig. 6 and Fig. 7 illustrate interlock protrusions 3a and interlock holes 7a through which a cross section is oval.
  • a constricted portion 5a is formed at a joint of the interlock protrusions 3a, and an opening portion 8a of the interlock holes 7a is reduced in diameter.
  • the constricted portion 5a of the interlock protrusions 3a engages with the opening portion 8a of the interlock holes 7a
  • the constricted portion 5-side outer peripheral surface 6a the interlock protrusions 3a engages with the opening portion 8a-side inner peripheral surface 9a of the interlock holes 7a.
  • the constricted portion-side outer peripheral surface 6a of the interlock protrusions 3a is formed so that a span of the constricted portion-side outer peripheral surface 6a becomes larger from the constricted portion 5a toward the top portion, while the opening portion-side inner peripheral surface 9a of the interlock holes 7a is formed so that a diameter of the opening portion-side inner peripheral surface 9a becomes greater from the opening portion 8a toward the bottom portion, and so that the diameter of a part engaged with the constricted portion-side outer peripheral surface 6a of the interlock protrusions 3a is smaller than the span of the constricted portion-side outer peripheral surface 6a.
  • Fig. 8 and Fig. 9 illustrate interlock protrusions 3b and interlock holes 7b, both of which are shaped to be conically trapezoidal.
  • a constricted portion 5b is formed at a joint of the interlock protrusions 3b, and the opening portion 8b of the interlock holes 7b is reduced in diameter.
  • the constricted portion 5b of the interlock protrusions 3b engages with the opening portion 8b of the interlock holes 7b
  • an outer peripheral surface 6b of the interlock protrusions 3b engages with an inner peripheral surface 9b of the interlock holes 7b.
  • the outer peripheral surface 6b of the interlock protrusions 3b is formed so that the span of the outer peripheral surface 6b becomes greater from the constricted portion 5b toward the top portion, while the inner peripheral surface 9b of the interlock holes 7b is formed so that the diameter of the inner peripheral surface 9b becomes greater from the opening portion 8b toward the bottom portion, and so that the diameter of a part engaged with the outer peripheral surface 6b of the interlock protrusions 3b is smaller than the span of the outer peripheral surface 6b.
  • Fig. 10 and Fig. 11 illustrate spherical interlock protrusions 3c and holes 7c.
  • a constricted portion 5c having a straight part is formed at a joint of the interlock protrusions 3c, and the opening portion 8C of the interlock holes 7 has a cylindrical face, and is reduced in diameter, compared with the inside of the interlock holes 7.
  • the constricted portion 5c of the interlock protrusions 3c engages with the opening portion 8c of the interlock holes 7c
  • the constricted potions 5c-side outer peripheral surface 6c of the interlock protrusions 3c engages with the opening portion 8c-side inner peripheral surface 9c of the interlock holes 7c.
  • the constricted portion-side outer peripheral surface 6c of the interlock protrusions 3c is formed so that the span of the constricted portion-side outer peripheral surface 6c becomes greater from the constricted portion 5c toward the protrusion top, while the opening portion-side inner peripheral surface 9c of the interlock holes 7c is formed so that the diameter of the opening portion-side inner peripheral surface 9c becomes greater from the opening portion 8c toward the bottom portion, and so that the diameter of a part engaged with the constricted portion-side outer peripheral surface 6c of the interlock protrusions3c is smaller than the span of the constricted portion-side outer peripheral surface 6c.
  • Fig. 12 and Fig. 13 illustrate conically trapezoidal interlock protrusions 3d and interlock holes 7d.
  • a circular and groove-like constricted portion 5d is formed at a joint of the interlock protrusions 3d, and an opening portion 8d has a cylindrical surface, and is reduced in diameter, compared with the inside of the interlock holes 7d.
  • the constricted portion 5d of the interlock protrusions 3d engages with the opening portion 8d of the interlock holes 7d, and an outer peripheral surface 6d of the interlock protrusions 3d excluding that of the constricted portion 5d engages with an inner peripheral surface 9d of the interlock hole 7d excluding that of the opening portion 8d.
  • the outer peripheral surface 6d of the interlock protrusions 3d is formed so that the span of the outer peripheral surface 6d becomes greater from the constricted portion 5d toward the protrusion top portion, and the inner peripheral surface 9d of the interlock holes 7d is formed so that the diameter of the inner peripheral surface 9d becomes greater from the opening portion 8d toward the bottom portion, and so that the diameter of a part engaged with the outer peripheral surface 6d of the interlock protrusions 3d is smaller than the span of the outer peripheral surface 6d.
  • the number of the interlock protrusions 3 and interlock holes 7 is not limited to these examples.
  • a single spherical interlock protrusion 3 may be formed on the center of the consecutive three faces of a total of 6 faces, and a single spherical interlock hole 7 may be formed on the center of another three conductive faces.
  • the present invention is suitable for polyhedral toys that are interlocked and connected with each other to build a structure slightly smaller, and to the contrary grater, than that in full-size.

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EP05809693A 2004-12-03 2005-11-24 Jouet polyedrique Expired - Fee Related EP1852168B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004351311 2004-12-03
PCT/JP2005/021547 WO2006059527A1 (fr) 2004-12-03 2005-11-24 Jouet polyedrique

Publications (3)

Publication Number Publication Date
EP1852168A1 true EP1852168A1 (fr) 2007-11-07
EP1852168A4 EP1852168A4 (fr) 2008-12-31
EP1852168B1 EP1852168B1 (fr) 2011-03-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05809693A Expired - Fee Related EP1852168B1 (fr) 2004-12-03 2005-11-24 Jouet polyedrique

Country Status (11)

Country Link
US (1) US20090298382A1 (fr)
EP (1) EP1852168B1 (fr)
JP (1) JPWO2006059527A1 (fr)
KR (1) KR20070092247A (fr)
CN (1) CN101068607A (fr)
AU (1) AU2005310758A1 (fr)
CA (1) CA2589472A1 (fr)
DE (1) DE602005026720D1 (fr)
ES (1) ES2361756T3 (fr)
TW (1) TW200628207A (fr)
WO (1) WO2006059527A1 (fr)

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EP3116712A4 (fr) * 2014-03-12 2018-02-21 Edo Segal Système et procédé pour construire des objets en 3d
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Also Published As

Publication number Publication date
US20090298382A1 (en) 2009-12-03
EP1852168B1 (fr) 2011-03-02
ES2361756T3 (es) 2011-06-21
JPWO2006059527A1 (ja) 2008-06-05
WO2006059527A1 (fr) 2006-06-08
DE602005026720D1 (de) 2011-04-14
TW200628207A (en) 2006-08-16
KR20070092247A (ko) 2007-09-12
CA2589472A1 (fr) 2006-06-08
AU2005310758A1 (en) 2006-06-08
EP1852168A4 (fr) 2008-12-31
CN101068607A (zh) 2007-11-07

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