KR20210112701A - Building blocks for learning balance - Google Patents
Building blocks for learning balance Download PDFInfo
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- KR20210112701A KR20210112701A KR1020200028060A KR20200028060A KR20210112701A KR 20210112701 A KR20210112701 A KR 20210112701A KR 1020200028060 A KR1020200028060 A KR 1020200028060A KR 20200028060 A KR20200028060 A KR 20200028060A KR 20210112701 A KR20210112701 A KR 20210112701A
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- hypotenuses
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H33/00—Other toys
- A63H33/04—Building blocks, strips, or similar building parts
- A63H33/06—Building blocks, strips, or similar building parts to be assembled without the use of additional elements
- A63H33/08—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails
- A63H33/084—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 grooves
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H33/00—Other toys
- A63H33/04—Building blocks, strips, or similar building parts
- A63H33/06—Building blocks, strips, or similar building parts to be assembled without the use of additional elements
- A63H33/08—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails
- A63H33/088—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 holes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
- G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
- G09B1/04—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols
- G09B1/06—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols and being attachable to, or mounted on, the support
- G09B1/10—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols and being attachable to, or mounted on, the support by means of pins and holes
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- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
Abstract
Description
본 발명은 영유아 또는 학생들이 균형 감각을 효율적으로 할 수 있게 하는 균형 감각 학습이 가능한 조립 블록에 관한 것이다.The present invention relates to a building block capable of learning a sense of balance that enables infants or children to efficiently perform a sense of balance.
일반적으로 블록완구는 일정형태의 블록을 조립하여 조립체를 만들게 함으로서 흥미는 물론 지능개발에도 도움을 주는 장난감을 활용되고 있다.In general, block toys are used to help develop intelligence as well as interest by assembling blocks of a certain type to make an assembly.
국내 출원 10-2005-0127050호에는 '조각블록으로 조립되는 일자 블록완구'가 개시된 바 있다.Domestic Application No. 10-2005-0127050 discloses a 'Date block toy assembled with piece blocks'.
종래 블록완구는 여러 개의 블록을 상호 끼워 맞춰서 형상을 만드는 것이 주된 사용 방법인데, 연결부위가 특정부위에만 한정적으로 형성되어 있어 보다 다양한 형상 및 각도를 제대로 구현하지 못하여 정교한 형상으로 조립 하기가 어려운 단점이 있었다.Conventional block toys are mainly used to make a shape by fitting several blocks together. However, since the connection part is formed only in a specific part, it is difficult to properly implement more various shapes and angles, making it difficult to assemble into a sophisticated shape. there was.
본 발명은 영유아 또는 학생들이 균형 감각을 효율적으로 할 수 있게 하는 균형 감각 학습이 가능한 조립 블록에 관한 것이다.The present invention relates to a building block capable of learning a sense of balance that enables infants or children to efficiently perform a sense of balance.
본 발명의 실시 예에 따른 균형 감각 학습이 가능한 조립 블록은 내측에 적어도 한개 이상의 끼움공이 형성된 몸체; 상기 몸체의 외면에 적어도 한개 이상 형성되며, 다른 몸체와 결합되는 결합부;를 포함하고,상기 몸체는 양측에 빗변이 대칭 형성되고, 양측 빗변의 일단에 연결되는 직선면이 형성된 삼각 형상이며, 양측 빗변에 제1결합부가 각기 형성되고, 상기 직선면에 제2결합부가 형성되며, 상기 제1결합부는 빗변으로부터 돌출 형성되어 양측에 형성된 측면돌기와, 상기 측면돌기의 중앙에 돌출된 제1돌기를 포함하고, 상기 제2결합부는 직선면으로부터 몸체의 내측으로 요입되어 형성된 홈부와, 상기 홈부의 중앙에 돌출 형성되는 제2돌기를 포함하여 이루어지고, 상기 제1결합부는 측면돌기의 내측면에 돌턱이 형성되고, 상기 홈부는 내측벽에 각기 돌턱이 형성되어 이루어지며, 상기 몸체의 끼움공의 외주연에는 상부로 돌출되는 단턱이 형성된 것을 특징으로 한다.An assembly block capable of learning a sense of balance according to an embodiment of the present invention includes: a body having at least one fitting hole formed therein; At least one coupling part is formed on the outer surface of the body and coupled to another body; the body has a triangular shape in which hypotenuses are symmetrically formed on both sides, and straight surfaces connected to one end of both hypotenuses are formed, both sides A first coupling portion is respectively formed on the hypotenuse, a second coupling portion is formed on the straight surface, and the first coupling portion is formed to protrude from the hypotenuse and includes side projections formed on both sides, and a first projection protruding from the center of the side projections. And, the second coupling part is made of a groove formed by being recessed into the inside of the body from a straight surface, and a second protrusion protruding from the center of the groove, and the first coupling part has a protrusion on the inner surface of the side projection. is formed, and the groove portion is formed by forming a stone step on the inner wall, and a step protruding upward is formed on the outer periphery of the fitting hole of the body.
본 발명은 영유아 또는 학생들이 균형 감각을 효율적으로 할 수 있게 하는 효과를 달성할 수 있다.The present invention can achieve the effect of allowing infants or young children or students to efficiently achieve a sense of balance.
도 1은 본 발명의 실시예에 따른 블록 유닛을 도시한 도면
도 2는 본 발명의 실시예에 따른 블록 유닛이 결합된 상태를 도시한 도면
도 3은 본 발명의 다른 실시예에 따른 블록 유닛이 결합된 상태를 도시한 도면1 is a diagram illustrating a block unit according to an embodiment of the present invention;
2 is a view showing a state in which a block unit is coupled according to an embodiment of the present invention;
3 is a view showing a state in which a block unit is coupled according to another embodiment of the present invention;
본 발명은 다양한 변경을 가할 수 있고 여러 가지 실시예를 가질 수 있는 바, 특정 실시예들을 도면에 예시하고 설명에 상세하게 설명하고자 한다. 그러나 이는 본 발명을 특정한 실시 형태에 대해 한정하려는 것이 아니며, 본 발명의 페르소나(구매자), 사용자의 정보에 따라 상이한 형태로 구현될 수 있다.Since the present invention can have various changes and can have various embodiments, specific embodiments are illustrated in the drawings and described in detail in the description. However, this is not intended to limit the present invention to a specific embodiment, and may be implemented in different forms according to the persona (buyer) and user information of the present invention.
본 발명을 명확하게 설명하기 위해서 설명과 관계없는 부분은 생략하였으며, 명세서 전체를 통하여 동일 또는 유사한 구성요소에 대해서는 동일한 참조부호를 붙이도록 한다.In order to clearly explain the present invention, parts irrelevant to the description are omitted, and the same reference numerals are assigned to the same or similar components throughout the specification. do.
이하에서는 본 발명의 실시 예에 따른 균형 감각 학습이 가능한 조립 블록에 대해 첨부된 도면을 참조하여 구체적으로 설명한다.Hereinafter, a building block capable of learning a sense of balance according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
도 1은 본 발명의 실시예에 따른 블록 유닛을 도시한 도면이고, 도 2는 본 발명의 실시예에 따른 블록 유닛이 결합된 상태를 도시한 도면이며, 도 3은 본 발명의 다른 실시예에 따른 블록 유닛이 결합된 상태를 도시한 도면이다.1 is a view showing a block unit according to an embodiment of the present invention, FIG. 2 is a view showing a state in which the block unit according to an embodiment of the present invention is combined, and FIG. 3 is another embodiment of the present invention. It is a diagram showing a state in which the block units are combined.
본 발명의 제1실시예 내지 제3실시예에 따른 완구용 조립 블록은, 내측에 적어도 한개 이상의 끼움공이 형성된 몸체(100); 상기 몸체(100)의 외면에 적어도 한개 이상 형성되며, 다른 조립블록완구 몸체의 끼움공에 끼워지는 복수의 결합부;를 포함한다.The toy building block according to the first to third embodiments of the present invention includes a body 100 having at least one fitting hole formed therein; At least one is formed on the outer surface of the body 100, and a plurality of coupling parts are fitted into the fitting holes of the other assembly block toy body; includes.
이하 각 실시예별로 설명한다.Hereinafter, each embodiment will be described.
[제1실시예][First embodiment]
도 1 및 도 2에 도시된 바와 같이, 본 발명의 제1실시예에 따른 완구용 조립 블록(A1)은, 내측에 적어도 한개 이상의 끼움공이 형성된 몸체(100); 상기 몸체(100)의 외면에 적어도 한개 이상 형성되며, 다른 조립블록완구1 and 2, the toy assembling block (A1) according to the first embodiment of the present invention includes a body 100 having at least one fitting hole formed therein; At least one or more is formed on the outer surface of the body 100, and another assembly block toy
몸체의 끼움공에 끼워지는 복수의 결합부;를 포함하고, 몸체(100)는 양측에 빗변이 대칭 형성되고, 양측 빗변의 일단에 연결되는 직선면이 형성된 삼각 형상이며, 양측 빗변에 제1결합부(110)가 각기 형성되고, 상기 직선면에 제2결합부(120)가 형성된다.Includes; a plurality of coupling parts fitted into the fitting hole of the body; the body 100 is a triangular shape in which hypotenuses are symmetrically formed on both sides, straight surfaces connected to one end of both hypotenuses are formed, and a first coupling is performed on both hypotenuses The parts 110 are respectively formed, and the second coupling part 120 is formed on the straight surface.
상기 제1결합부(110)는 빗변으로부터 돌출 형성되어 양측에 형성된 측면돌기(111)와, 상기 측면돌기(111)의 중앙에 돌출된 제1돌기(112)를 포함하여 구성된다.The first coupling part 110 is formed to protrude from the hypotenuse and is configured to include side protrusions 111 formed on both sides, and a first protrusion 112 protruding from the center of the side protrusions 111 .
상기 제2결합부(120)는 직선면으로부터 몸체(100)의 내측으로 요입되어 형성된 홈부(121)와, 상기 홈부(121)의 중앙에 돌출 형성되는 제2돌기(122)를 포함하여 이루어진다.The second coupling portion 120 includes a groove portion 121 formed by being recessed into the inside of the body 100 from a straight surface, and a second protrusion 122 protruding from the center of the groove portion 121 .
상기 제1결합부(110)는 측면돌기(111)의 내측면에 돌턱(113)이 형성된다.The first coupling part 110 has a protrusion 113 formed on the inner surface of the side protrusion 111 .
상기 홈부(121)는 내측벽에 각기 돌턱(123)이 형성되어 이루어진다.Each of the grooves 121 is formed by forming a protrusion 123 on the inner wall.
돌턱(113,123)이 형성됨으로써 끼움 결합력을 증대시킬 수 있게 되어 빠지지 않고 견고하게 결합된 상태가 유지될 수 있다.By forming the stone jaws 113 and 123, it is possible to increase the fitting force, so that the firmly coupled state can be maintained without falling out.
상기 몸체(100)는 삼각형으로 형성되며, 모서리는 호형으로 라운드지게 형성된다.The body 100 is formed in a triangular shape, and the corners are rounded in an arc shape.
호형으로 형성됨으로써 안전해질 수 있고, 아이들이 다루기 용이해질 수 있다.It can be made safe by being arc-shaped and can be easily handled by children.
제1결합부(110) 및 제2결합부(120)가 형성됨으로써 각 결합부에 다른 조립블록완구가 연결될 수 있어 연속 조립이 가능해질 수 있다.Since the first coupling part 110 and the second coupling part 120 are formed, different assembly block toys can be connected to each coupling part, thereby enabling continuous assembly.
상기 측면돌기(111)는 사각형이며, 끝단 모서리는 만곡지게 모깍기되어 형성된다.The side projections 111 are rectangular, and the end corners are formed by being curved and filleted.
상기 몸체(100)에는 끼움공(130)이 형성되며, 끼움공(130)은 원형, 사각형 등 다양한 형상으로 형성될 수 있다.A fitting hole 130 is formed in the body 100, and the fitting hole 130 may be formed in various shapes, such as a circular shape and a square shape.
상기 끼움공(130)의 외주연에는 상부로 돌출되는 단턱(132)이 형성된다.A stepped 132 protruding upward is formed on the outer periphery of the fitting hole 130 .
단턱(132)은 다른 완구용 조립 블록을 결합시킬때 끼운 후 빼기용이하도록 손톱을 넣을 수 있는 틈새를 형성하는 역할을 하게 된다.The step 132 serves to form a gap into which a nail can be inserted to facilitate removal after fitting when combining other toy building blocks.
[제2실시예][Second embodiment]
도 3 및 도 4에 도시된 바와 같이, 본 발명의 제2실시예에 따른 완구용 조립 블록(A2)은, 복수의 끼움공(130)이 형성된 몸체(100); 몸체의 외면에 형성되며, 다른 몸체와 결합되는 결합부;를 포함하고, 상기 몸체(100)는 장변과 단변으로 이루어지는 직사각형상이며, 일측 장변에 제3결합부(3)가 각기 형성되고, 타측 장변에 제4결합부(4)가 형성되며, 양측 단변에 제5결합부(5)가 대칭되게 형성된다. 3 and 4, the toy assembly block (A2) according to the second embodiment of the present invention includes a body 100 having a plurality of fitting holes 130 formed therein; It is formed on the outer surface of the body and is coupled to the other body; includes, wherein the body 100 has a rectangular shape consisting of a long side and a short side, and a third coupling part 3 is formed on one long side, respectively, and the other side A fourth coupling portion 4 is formed on the long side, and the fifth coupling portion 5 is formed symmetrically on both short sides.
상기 제3결합부(3)는 일측 장변으로부터 돌출 형성되어 양측에 형성된 측면돌기(31)와, 상기 측면돌기(31)의 중앙에 돌출된 제3돌기(33)를 포함한다.The third coupling part 3 includes side protrusions 31 protruding from one side of the long side and formed on both sides, and a third protrusion 33 protruding from the center of the side protrusions 31 .
상기 제4결합부(4)는 직선면으로부터 몸체(100)의 내측으로 요입되어 형성된 홈부(41)와, 상기 홈부(41)의 중앙에 돌출 형성되는 제4돌기(44)를 포함한다.The fourth coupling portion 4 includes a groove portion 41 formed by being recessed into the inside of the body 100 from a straight surface, and a fourth protrusion 44 protruding from the center of the groove portion 41 .
상기 제5결합부(5)는 양측 단변에 돌출되는 양측 끼움편(51)과, 상기 양측 끼움편(51) 사이의 끼움홈(53)으로 이루어진다.The fifth coupling part 5 includes both side fitting pieces 51 protruding from both side short sides, and fitting grooves 53 between the both side fitting pieces 51 .
상기 제3결합부(3)는 측면돌기(31)의 내측면에 돌턱(32)이 형성되어 이루어진다.The third coupling part (3) is made of a protrusion (32) is formed on the inner surface of the side projection (31).
상기 제5결합부(5)는 끼움편(51)의 내측면에 돌턱(52)이 형성되어 이루어진다.The fifth coupling portion (5) is made of a protrusion (52) is formed on the inner surface of the fitting piece (51).
상기 몸체(100)에는 복수의 끼움공(130)이 형성된다.A plurality of fitting holes 130 are formed in the body 100 .
상기 복수의 끼움공(130) 중 어느 하나의 끼움공은 외주연에 상부로 돌출되는 단턱(132)이 형성된다.Any one of the plurality of fitting holes 130 is formed with a stepped 132 protruding upward on the outer periphery.
끼움공(130)은 원형, 사각형 등 다양한 형상으로 형성될 수 있다.The fitting hole 130 may be formed in various shapes such as a circle, a rectangle, and the like.
단턱(132)은 다른 완구용 조립 블록을 결합시킬때 끼운 후 빼기용이하도록 손톱을 넣을 수 있는 틈새를 형성하Step 132 forms a gap in which nails can be inserted to facilitate removal after inserting when combining other toy building blocks.
는 역할을 하게 된다.will play a role.
[제3실시예][Third embodiment]
도 5 및 도 6에 도시된 바와 같이, 본 발명의 제3실시예에 따른 완구용 조립 블록(A3)은, 복수의 끼움공(130)이 형성된 몸체(100); 상기 몸체(100)의 외면에 형성되며, 다른 몸체와 끼워지는 결합부;를 포함한다.5 and 6, the toy assembly block (A3) according to the third embodiment of the present invention includes a body 100 having a plurality of fitting holes 130 formed therein; and a coupling part formed on the outer surface of the body 100 and fitted with another body.
상기 몸체(100)는 장변과 단변으로 이루어지는 직사각형상이며, 일측 장변에 제6결합부(6)가 각기 형성되고, 타측 장변에 제7결합부(7)가 형성되며, 양측 단변에 제8결합부(8)가 대칭되게 형성된다.The body 100 has a rectangular shape consisting of a long side and a short side, a sixth coupling part 6 is formed on one long side, a seventh coupling part 7 is formed on the other long side, and an eighth coupling part is formed on both short sides. The portion 8 is formed symmetrically.
상기 제6결합부(6)는 일측 장변으로부터 돌출 형성되어 양측에 형성된 측면돌기(61)와, 상기 측면돌기(61)의 중앙에 돌출된 제6돌기(63)를 포함한다.The sixth coupling part 6 includes side protrusions 61 protruding from one side of the long side and formed on both sides, and a sixth protrusion 63 protruding from the center of the side protrusions 61 .
상기 제7결합부(7)는 직선면으로부터 몸체(100)의 내측으로 요입되어 형성된 홈부(71)와, 상기 홈부(71)의 중앙에 돌출 형성되는 제7돌기(73)를 포함한다.The seventh coupling portion 7 includes a groove portion 71 formed by being recessed into the body 100 from a straight surface, and a seventh protrusion 73 protruding from the center of the groove portion 71 .
상기 제8결합부(8)는 양측 단변에 돌출되는 끼움돌기로 이루어진다.The eighth coupling part 8 is made of fitting protrusions protruding from both side short sides.
상기 제6결합부(6)는 측면돌기(61)의 내면에 돌턱(62)이 형성되어 이루어진다.The sixth coupling part 6 is formed by forming a protrusion 62 on the inner surface of the side protrusion 61 .
상기 몸체(100)에는 복수의 끼움공(130)이 형성된다.A plurality of fitting holes 130 are formed in the body 100 .
상기 복수의 끼움공(130) 중 어느 하나의 끼움공(130)은 외주연에 상부로 돌출되는 단턱(132)이 형성된다.Any one of the fitting holes 130 of the plurality of fitting holes 130 is formed with a stepped 132 protruding upward on the outer periphery.
끼움공(130)은 원형, 사각형 등 다양한 형상으로 형성될 수 있다.The fitting hole 130 may be formed in various shapes such as a circle, a rectangle, and the like.
단턱(132)은 다른 완구용 조립 블록을 결합시킬때 끼운 후 빼기용이하도록 손톱을 넣을 수 있는 틈새를 형성하는 역할을 하게 된다.The step 132 serves to form a gap into which a nail can be inserted to facilitate removal after fitting when combining other toy building blocks.
이와 같이 구성되는 본 발명의 작용을 설명하면 다음과 같다.The operation of the present invention configured in this way will be described as follows.
도 7에 나타낸 바와 같이, 제1 내지 제3실시예(A1~A3)에 따른 완구용 조립 블록을 서로 연결하여 다양한 형상의 완구를 조립할 수 있게 된다.7, it is possible to assemble toys of various shapes by connecting the toy building blocks according to the first to third embodiments (A1 to A3) with each other.
이상, 첨부된 도면을 참조하여 본 발명의 실시 예들을 설명하였지만, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자는 본 발명이 그 기술적 사상이나 필수적인 특징을 변경하지 않고서 다른 구체적인 형태로 실시될 수 있다는 것을 이해할 수 있을 것이다. 그러므로 이상에서 기술한 실시 예들은 모든 면에서 예시적인 것이며 한정적이 아닌 것으로 이해해야만 한다.As described above, embodiments of the present invention have been described with reference to the accompanying drawings, but those of ordinary skill in the art to which the present invention pertains can practice the present invention in other specific forms without changing its technical spirit or essential features. You will understand that there is Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.
100 : 몸체100: body
Claims (1)
상기 몸체의 외면에 적어도 한개 이상 형성되며, 다른 몸체와 결합되는 결합부;를 포함하고,
상기 몸체는
양측에 빗변이 대칭 형성되고, 양측 빗변의 일단에 연결되는 직선면이 형성된 삼각 형상이며, 양측 빗변에 제1결합부가 각기 형성되고, 상기 직선면에 제2결합부가 형성되며,
상기 제1결합부는 빗변으로부터 돌출 형성되어 양측에 형성된 측면돌기와,
상기 측면돌기의 중앙에 돌출된 제1돌기를 포함하고,
상기 제2결합부는 직선면으로부터 몸체의 내측으로 요입되어 형성된 홈부와,
상기 홈부의 중앙에 돌출 형성되는 제2돌기를 포함하여 이루어지고,
상기 제1결합부는 측면돌기의 내측면에 돌턱이 형성되고,
상기 홈부는 내측벽에 각기 돌턱이 형성되어 이루어지며,
상기 몸체의 끼움공의 외주연에는 상부로 돌출되는 단턱이 형성된 것을 특징으로 하는 균형 감각 학습이 가능한 조립 블록.a body having at least one fitting hole formed therein;
At least one coupling part is formed on the outer surface of the body and is coupled to another body;
the body is
The hypotenuse is symmetrically formed on both sides, and a straight surface connected to one end of both hypotenuses is formed in a triangular shape, a first coupling part is formed on both hypotenuses, respectively, and a second coupling part is formed on the straight surface,
The first coupling portion is formed to protrude from the hypotenuse and side projections formed on both sides,
and a first protrusion protruding from the center of the side protrusion,
The second coupling portion includes a groove formed by being recessed into the inside of the body from a straight surface;
and a second protrusion protruding from the center of the groove,
The first coupling portion has a protrusion formed on the inner surface of the side projection,
The groove portion is made by forming a stone ridge on the inner wall,
An assembly block capable of learning a sense of balance, characterized in that a step protruding upward is formed on the outer periphery of the fitting hole of the body.
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|---|---|---|---|---|
| KR101924453B1 (en) | 2017-01-19 | 2018-12-03 | 에프디엠(주) | Joy assembly block |
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| KR101924453B1 (en) | 2017-01-19 | 2018-12-03 | 에프디엠(주) | Joy assembly block |
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