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WO2005068037A1 - Jouet magnetique - Google Patents

Jouet magnetique Download PDF

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Publication number
WO2005068037A1
WO2005068037A1 PCT/KR2004/000098 KR2004000098W WO2005068037A1 WO 2005068037 A1 WO2005068037 A1 WO 2005068037A1 KR 2004000098 W KR2004000098 W KR 2004000098W WO 2005068037 A1 WO2005068037 A1 WO 2005068037A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
pad
rods
metal balls
toy
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
Application number
PCT/KR2004/000098
Other languages
English (en)
Inventor
Chang-Seok Yoon
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to PCT/KR2004/000098 priority Critical patent/WO2005068037A1/fr
Publication of WO2005068037A1 publication Critical patent/WO2005068037A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • A63H33/046—Building blocks, strips, or similar building parts comprising magnetic interaction means, e.g. holding together by magnetic attraction

Definitions

  • the present invention relates, in general, to magnetic toys by use of magnetic rods, metal balls, and pad fragments having various shapes. More specifically, the present invention relates to a magnetic toy capable of increasing ability of the user to express creativity by being freely structured into a variety of forms, which comprises magnetic rods each having a cylindrical metal core and a pair of magnetic end discs placed at opposite ends of the metal core, which are covered with a synthetic resin, metal balls attached to opposite ends of each magnetic rod by magnetic forces occurring from the ends of the magnetic rod, pad fragments formed to correspond to shapes of planes defined by the magnetic rods and the metal balls and removably attached thereto by a magnetic force to cover the planes, and a base pad on which structures constructed by the magnetic rods, the metal balls and the pad fragments are mounted and secured by a magnetic force.
  • a magnetic toy is composed of a plurality of magnetic rods, each of which includes a cylindrical core, a pair of magnetic end discs placed at opposite ends of the core and a covering made of a synthetic resin to cover the core and the end discs, and a plurality of metal balls.
  • the metal balls are attached to opposite ends of each magnetic rod via magnetic forces ⁇ occurring from the ends of the magnetic rod, to which the magnetic rods are continuously connected by the magnetic force, thereby obtaining desired assembly designs or structures.
  • FIGS. 1, 2a and 2b A representative magnetic toy is schematically shown in FIGS. 1, 2a and 2b.
  • FIG. 1 is a perspective view of a conventional magnetic toy when being practically used. Further, FIG.
  • FIG. 2a is a sectional view of a magnetic rod, in the conventional magnetic toy of FIG. 1, and FIG. 2b is a sectional view of a basic assembly structure thereof.
  • magnetic rods 4, 4' and 4" and metal balls 5, 5' and 5" are connected together by magnetic forces occurring from magnetic end discs 2 and 2' attached to opposite ends of a cylindrical metal core 1 of each magnetic rod, and thus, a desired assembly structure or design can be constructed. That is, the magnetic rod 4 exhibiting the magnetic force includes a cylindrical metal core 1, a pair of magnetic end discs 2 and 2' placed at opposite ends of the metal core 1, and a covering 3 made of a hard synthetic resin to cover the metal core 1 and the end discs 2 and 2'.
  • the metal balls 5 and 5' are attached to the opposite ends of the magnetic rod 4, after which they may be continuously connected with the other magnetic rods 4' and 4", thus yielding a plurality of assembly structures.
  • the magnetic rods 4, 4' and 4" per se can exhibit strong magnetic force, by means of the magnetic end discs 2 and placed at the opposite ends of the metal core 1. Accordingly, one end of each magnetic rod represents N polarity and the other end thereof represents S polarity. As shown in FIG.
  • connection structure of the magnetic rods 4 and 4' and the metal ball 5' is characterized in that the metal ball 5' is attached between the magnetic rods 4 and 4' by a magnetic force, for example, a high attractive force, resulting from the interaction of the N polarity and the S polarity of the adjacent magnetic rods 4 and 4', respectively.
  • the metal ball 5' can serve to firmly maintain the connection of the magnetic rods 4 and 4' and act as a connector of other magnetic rods.
  • the connection structure of the metal balls 5, 5' and 5" attached between the N and S polarities of the magnetic rods 4, 4' and 4" is basically represented by a triangular shape, as shown in FIG. 2b.
  • the magnetic rods are mutually attached by their magnetic force, and thus, the magnetic rods and the metal balls are easily stored together in small volumes.
  • the magnetic end discs 2 and 2' attached to the opposite ends of the metal core 1 are made of an neodymium (Nd) magnet having high mechanical strength and excellent corrosion resistance while functioning to reduce the volume and weight of end products by high performance magnetic characteristics thereof.
  • Nd neodymium
  • the Nd magnet is mainly applied for automotive motor parts, machines, servo motors of elevators, sensors, air conditioners, cellular phones, etc., and has a magnetic force amounting to 3000-4000 G (gauss). Therefore, the magnetic end disc made of the Nd magnet, which is attached to each end of the metal core 1, can induce dense magnetic force lines, leading to the magnetic force enhancement of about 1000 G. Eventually, larger assembly structures constructed by a plurality of the magnetic rods and a plurality of the metal balls can be securely maintained by such a magnetic force. Further, the metal ball 5 has a diameter lager than that of the magnetic rod 4, whereby the magnetic rods 4 may be freely attached centering the metal balls 5 in the angle range of about 60-180°.
  • the magnetic rods 4 attached to the metal balls 5 may define any of two-dimensional angles and three-dimensional angles therebetween.
  • a plurality of the magnetic rods 4 may be attached to a metal ball 5.
  • an object of the present invention is to provide a magnetic toy which can be freely structured into various forms using the smaller numbers of the magnetic rods and the metal balls, as well as the pad fragments, thus increasing ability of the user to express creativity, by comprising magnetic rods each having a cylindrical metal core, a pair of magnetic end discs placed at opposite ends of the metal core and a covering made of a synthetic resin to cover the metal core and the end discs, metal balls to which the magnetic rods are radially attached at opposite ends thereof by magnetic forces occurring from the ends of the magnetic rod, pad fragments formed to correspond to shapes of planes defined by the magnetic rods and the metal balls and removably attached thereto by a magnetic force to cover the planes, and a base pad on which structures constructed by the magnetic rods, the metal balls and the pad fragments are mounted by a magnetic force.
  • FIG. 1 is a perspective view of a conventional magnetic toy in practical use
  • FIG. 2a is a sectional view of a magnetic rod, for use in the magnetic toy of FIG. 1
  • FIG. 2b is a sectional view of a basic assembly structure which represents a magnetic force relationship between magnetic rods and metal balls, in the magnetic toy of FIG. 1
  • FIG. 3 is an exploded perspective view of a magnetic toy in practical use, by use of magnetic rods, metal balls, pad fragments and a base pad, according to the present invention
  • FIG. 4 is an exploded perspective view of the magnetic toy in practical use, by use of magnetic rods, metal balls and pad fragments, according to the present invention
  • FIGS. 5a to 5d are perspective views of pad fragments formed in various shapes, for use in the magnetic toy of FIG. 3
  • FIG. 6 is a sectional view of any of the pad fragments of FIG. 5
  • FIG. 7a is a sectional view of an assembly structure having a triangular-shaped plane which represents a magnetic force relationship between the magnetic rods and the metal balls, in the magnetic toy according to the present invention
  • FIG. 7b is a sectional view of an assembly structure having a rectangular-shaped plane which represents a magnetic force relationship between the magnetic rods and the metal balls, in the magnetic toy according to the present invention
  • FIG. 8 is a perspective view of a magnetic toy assembled practically by use of the magnetic rods, the metal balls, and the pad fragments, according to the present invention
  • FIG. 9 is a perspective view of a magnetic toy assembled practically by use of the magnetic rods, the metal balls, the pad fragments, and the base pad, according to the present invention.
  • a magnetic toy which comprises magnetic rods each including a cylindrical metal core, a pair of magnetic end discs placed at opposite ends of the metal core by a magnetic force and a covering made of a synthetic resin to cover the metal core and the end discs, and metal balls attached to opposite ends of each magnetic rod by magnetic forces occurring through the end discs of the magnetic rod.
  • the magnetic toy comprises pad fragments, each having a magnetic adhesive layer formed of magnetic powders and coat layers attached to both surfaces of the magnetic adhesive layer, which are formed to correspond to shapes of planes defined by the magnetic rods and the metal balls and removably attached thereto by a magnetic force to cover the planes.
  • the magnetic toy has a base pad having a magnetic adhesive layer therein, on which structures constructed by the magnetic rods, the metal balls and the pad fragments are mounted by a magnetic force.
  • the cylindrical metal core is covered with the synthetic resin based covering, and a pair of Nd-magnetic end discs are attached to the opposite ends of the cylindrical metal core by the magnetic force, in which the magnetic end disc has a diameter larger than that of the metal core.
  • the covering of the magnetic rod is injection molded to cover about 66% or more, with the exception of the center portions, of the outer end surfaces of the magnetic end discs which are placed at the opposite ends of the metal core.
  • the magnetic end discs each of which has different polarities (N and S) at both surfaces thereof, are attached to the opposite ends of the metal core, and thus, the cylindrical metal core is magnetized through the attached magnetic end discs.
  • the entire magnetic rod acts as a cylindrical magnet representing the N polarity and S polarity at both ends thereof.
  • a plurality of the metal balls and a plurality of the magnetic rods can be alternately attached, and such a continuous connection leads to desired assembly structures.
  • the structures constructed by the magnetic rods and the metal balls via the magnetic force have planes defined by the magnetic rods and the metal balls which have predetermined shapes, such as triangular, rectangular, and circular.
  • each of the pad fragments includes a magnetic adhesive layer formed of magnetic powders, and thus, the magnetic force may be induced through the entire surfaces and corners of each pad fragment.
  • a cloth material or a synthetic resin material, such as polyethylene (PE) is coated. Therefore, the magnetic toy of the present invention is characterized by mounting the assembly structures constructed by the magnetic rods, the metal balls, and the pad fragments on the base pad printed with various patterns via the magnetic force of the base pad.
  • PE polyethylene
  • FIG. 3 there is shown an exploded perspective view of a magnetic toy which is assembled using magnetic rods, metal balls, pad fragments, and a base pad, according to the present invention.
  • FIG. 4 is an exploded perspective view of the magnetic toy which is assembled using the magnetic rods, the metal balls, and the pad fragments, according to the present invention.
  • FIGS. 5a to 5d are perspective views of the pad fragments of the magnetic toy, and
  • FIG. 6 is a sectional view thereof.
  • the magnetic toy of the present invention comprises magnetic rods 10, each of which includes a cylindrical metal core 11, a pair of magnetic end discs 12 placed at opposite ends of the cylindrical metal core 11 by a magnetic force, and a covering 13 made of a synthetic resin to cover the cylindrical metal core 11 and the magnetic end discs 12.
  • the magnetic toy includes steel balls 20 that are attached to opposite ends of each magnetic rod by magnetic forces occurring from the opposite ends of the magnetic rod.
  • each of pad fragments 30 of the magnetic toy has a magnetic adhesive layer 31 formed of magnetic powders and coat layers 32 attached to both surfaces of the magnetic adhesive layer 31, and is formed to correspond to shapes of planes 15 defined by the magnetic rods 10 and the metal balls 20 and removably attached thereto by a magnetic force occurring from the magnetic adhesive layer 31 to cover the planes 15.
  • a base pad 40 of the magnetic toy has a magnetic adhesive layer 41 therein, on which structures constructed by the magnetic rods 10, the metal balls 20 and the pad fragments 30 are mounted by a magnetic force.
  • each magnetic rod 10 is formed by covering the cylindrical metal core 11 and the magnetic end discs 12 placed at the opposite ends of the metal core 11 by use of the covering 13 injection molded from the synthetic resin harmless to humans, in which the covering 13 covers an outer circumference area corresponding to 1/2 of a radius of each of the outer end surfaces of the magnetic end discs 12 attached to the opposite ends of the metal core 11, with the exception of the center portions of the outer end surfaces of the end discs 12.
  • such a magnetic rod 10 can be securely attached to the outer surface of the metal ball 20 because the central portion of the outer end surface of the magnetic end disc 12 and an inner circumferential edge of the covering 13 covering the outer end surfaces of the magnetic end discs 12 come into contact with the outer surface of the metal ball 20.
  • the metal balls 20, placed at the opposite ends of each magnetic rod 10 have a diameter 1.5 to 2 times as large as that of the magnetic end disc 12 of the magnetic rod 10, and are made of steel.
  • the metal balls 20 are attached to the opposite ends of the magnetic rod 10, they are subjected to magnetic force from the magnetic end discs 12 of the magnetic rod 10, and thus, may be continuously connected with a plurality of the magnetic rods 10 and a plurality of the metal balls 20.
  • a plurality of planes 15 are defined by the magnetic rods 10 and the metal balls 20 connected continuously, which are covered with the pad fragments 30 having shapes corresponding to those of the above planes 15, such as triangular, rectangular or circular shapes.
  • the pad fragments 30 each have a magnetic adhesive layer 31 formed of magnetic powders and coat layers 32 attached to both surfaces of the magnetic adhesive layer 31, in which the magnetic adhesive layer 31 consists of an admixture of synthetic rubbers or natural rubbers and magnetic powders mixed at a predetermined ratio, to provide flexibility to the pad fragment 30.
  • the magnetic powders of the magnetic adhesive layer 31 are composed mainly of ferric oxide (Fe 2 O 3 ).
  • coat layers 32 are made of cloth, paper, or synthetic resins, such as PE.
  • the base pad 40 on which the structures constructed by the magnetic rods 10, the metal balls 20, and the pad fragments 30 are mounted by a magnetic force, includes a magnetic adhesive layer 41 formed of magnetic powders in the same structure as the pad fragments 30. Further, the base pad 40 is entirely printed with various play patterns so as to arrange the magnetic rods 10 thereon.
  • FIGS. 7a and 7b there are illustrated sectional views of assembly structures which represent the magnetic force relationship between the magnetic rods and the metal balls, in the magnetic toy according to the present invention.
  • FIG. 7a and 7b there are illustrated sectional views of assembly structures which represent the magnetic force relationship between the magnetic rods and the metal balls, in the magnetic toy according to the present invention.
  • FIG. 7a and 7b there are illustrated sectional views of assembly structures which represent the magnetic force relationship between the magnetic rods and the metal balls, in the magnetic toy according to the present invention.
  • FIG. 7a and 7b there are illustrated sectional views of assembly structures which represent the magnetic force relationship between the magnetic rods and the metal balls, in the magnetic
  • FIG. 8 is a perspective view of the magnetic toy in practical use, by means of the magnetic rods 10, the metal balls 20 and the pad fragments 30, according to the present invention.
  • FIG. 9 is a perspective view of the magnetic toy in practical use, by means of the magnetic rods 10, the metal balls 20, the pad fragments 30 and the base pad 40, according to the present invention.
  • the assembly structure of the magnetic rods 10 and the metal balls 20 connected alternately by the magnetic force is formed to have planes of a triangular or rectangular shape.
  • the above assembly structure is characterized in that when two magnetic rods 10 having the same polarity are connected centering the metal balls 20, the metal balls 20 between such magnetic rods 10 have the polarity same to the magnetic rods 10.
  • the pad fragments 30, which are formed to correspond to the rectangular shapes of the above planes 15 and represent the magnetic force via the magnetic adhesive layers 31 thereof, can cover the above planes 15 defined by the magnetic rods 10 and the metal balls 20, as shown in FIG. 8.
  • the pad fragments 30, which cover the planes 15 defined by the magnetic rods 10 and the metal balls 20, can adhere to outer surfaces of the metal balls 20 while each corner of the pad fragments 30 is magnetized by the magnetic force occurring through the metal balls 20 connecting the magnetic rods 10.
  • the plane 15 having the triangular shape is defined by the magnetic rods 10 and the metal balls 20 connected continuously, at least one metal ball 20, among three metal balls 20, does not generate the magnetic force. This is because different polarities, that is, N polarity and S polarity, of both the magnetic rods 10 centering the metal ball 20 are offset by each other.
  • the magnetic force occurring from the other two metal balls 20 can allow the pad fragment 30 formed to correspond to the triangular shape of the plane 15 to be firmly attached to the above plane 15.
  • the structures constructed by the magnetic rods 10, the metal balls 20, and the pad fragments 30 are mounted on the base pad 40 by the magnetic force occurring through the entire surface of the base pad 40. Otherwise, the magnetic rods 10 and the metal balls 20 may be attached according to the patterns printed on the base pad 40, for use in playing a board game.
  • the present invention provides a magnetic toy, which is composed of magnetic rods each having a cylindrical metal core, a pair of magnetic end discs placed at opposite ends of the metal core and a covering made of a synthetic resin to cover the metal core and the magnetic end discs, metal balls removably attached to opposite ends of each magnetic rod by magnetic forces occurring from the opposite ends of the magnetic rods, pad fragments formed to correspond to the shapes of planes defined by the magnetic rods and the metal balls and removably attached thereto by the magnetic force occurring via the metal balls to cover the planes, and a base pad on which the structures constructed by the magnetic rods, the metal balls and the pad fragments are mounted.
  • the magnetic toy can be freely structured into various forms using the smaller numbers of the magnetic rods and the metal balls, as well as the pad fragments, thus increasing the creativity of the user.

Landscapes

  • Toys (AREA)

Abstract

L'invention concerne un jouet magnétique pouvant être construit librement sous diverses formes et comprenant des tiges magnétiques (10) possédant chacune un noyau métallique cylindrique (11), des disques terminaux magnétiques (12) placés aux extrémités opposées du noyau et un revêtement (13) constitué d'une résine synthétique et recouvrant le noyau et les disques terminaux, des boules métalliques (20) fixées aux extrémités opposées de chaque tige au moyen d'une force magnétique, des pièces (30) comportant chacune une couche adhésive magnétique (31) et des couches de revêtement (32) appliquées sur les deux surfaces de cette couche (31), ces pièces étant formées de sorte à correspondre aux formes des plans définis par les tiges magnétiques et pouvant être fixées amovibles à celles-ci sous l'action d'une force magnétique et recouvrir ces plans, ainsi qu'une plaque de base (40) comprenant une couche adhésive magnétique (41) sur laquelle les structures construites avec les tiges magnétiques (10), les boules métalliques (20) et les pièces (30) sont montées à l'aide de la force magnétique.
PCT/KR2004/000098 2004-01-20 2004-01-20 Jouet magnetique Ceased WO2005068037A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2004/000098 WO2005068037A1 (fr) 2004-01-20 2004-01-20 Jouet magnetique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2004/000098 WO2005068037A1 (fr) 2004-01-20 2004-01-20 Jouet magnetique

Publications (1)

Publication Number Publication Date
WO2005068037A1 true WO2005068037A1 (fr) 2005-07-28

Family

ID=34793221

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2004/000098 Ceased WO2005068037A1 (fr) 2004-01-20 2004-01-20 Jouet magnetique

Country Status (1)

Country Link
WO (1) WO2005068037A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009031020A3 (fr) * 2007-09-05 2009-05-28 Mega Brands International Luxe Kit de construction d'un jouet magnétique portable
WO2012001499A1 (fr) * 2010-07-01 2012-01-05 Pantazis Houlis Structure multidimensionnelle
CN106621407A (zh) * 2016-12-27 2017-05-10 芜湖木木游乐设备有限公司 一种表演用窗户道具
US10518190B2 (en) 2017-02-15 2019-12-31 LaRose Industries, LLC Rod-shaped module for toy magnetic construction kits and method for making same
USD903779S1 (en) 2017-02-15 2020-12-01 LaRose Industries, LLC Toy construction element
US11207609B2 (en) 2019-06-27 2021-12-28 LaRose Industries, LLC Magnetic toy construction block with ring-type magnet
US11224821B2 (en) 2019-06-24 2022-01-18 LaRose Industries, LLC Shell-within-a-shell magnetic toy construction block

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3998004A (en) * 1975-05-27 1976-12-21 Ehrlich Brent H Geometric construction kit
US5163241A (en) * 1989-02-24 1992-11-17 Blaeser Engineering Services, Inc. Display board and modules therefor
KR200299497Y1 (ko) * 2002-09-06 2002-12-31 안정호 유희용 완구
KR200305259Y1 (ko) * 2002-11-29 2003-02-25 윤봉석 자석 놀이 기구

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3998004A (en) * 1975-05-27 1976-12-21 Ehrlich Brent H Geometric construction kit
US5163241A (en) * 1989-02-24 1992-11-17 Blaeser Engineering Services, Inc. Display board and modules therefor
KR200299497Y1 (ko) * 2002-09-06 2002-12-31 안정호 유희용 완구
KR200305259Y1 (ko) * 2002-11-29 2003-02-25 윤봉석 자석 놀이 기구

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009031020A3 (fr) * 2007-09-05 2009-05-28 Mega Brands International Luxe Kit de construction d'un jouet magnétique portable
WO2012001499A1 (fr) * 2010-07-01 2012-01-05 Pantazis Houlis Structure multidimensionnelle
CN106621407A (zh) * 2016-12-27 2017-05-10 芜湖木木游乐设备有限公司 一种表演用窗户道具
US10518190B2 (en) 2017-02-15 2019-12-31 LaRose Industries, LLC Rod-shaped module for toy magnetic construction kits and method for making same
USD903779S1 (en) 2017-02-15 2020-12-01 LaRose Industries, LLC Toy construction element
US11224821B2 (en) 2019-06-24 2022-01-18 LaRose Industries, LLC Shell-within-a-shell magnetic toy construction block
US11207609B2 (en) 2019-06-27 2021-12-28 LaRose Industries, LLC Magnetic toy construction block with ring-type magnet

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