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On January 28th 1958, Godtfred Kirk Christiansen patented the humble Lego brick. In the embodiments of FIGS.
a3. [Ofiicial Gazette May 25, 1.978.] The design calls for a hollow rectangular bricks with studs on top and a round hollow tube on the bottom. 46-45) This invention relates to toy building elements and more particularly to toy building bricks or blocks adapted to be connected togetherby means of projections extending from the faces of the elements and arranged so as to engage protruding portions of an adjacent element when two such elements are assembled- Toy elementsof this kind will be referred to generally as building bricks, and the principal object of the invention is to provide improved coupling means for clamping such building bricks together in any desired relative position thus providing for a vast variety' of combinations of the bricks for making toy structures of many different kinds and shapes.Preferably, both the primary and the secondary projections are of cylindrical shape, and the circular cross section of the secondary projections s will thus touch the four circular cross sections of the primary projec= tions 21. v V V In the embodiments shown in FIGS. A toy building block according to claim 5 in which the protuberances are circular in cross-section.FIGURE 4 illustrates the assembly of two blocks displaced relative to one another in the lengthwise direction thereof,Other embodiments of the invention, including building blocks in the shape of a rcctangular parallelepiped ofa hollow construction having one open face, will be described with reference to the accompanying drawings, in which:FIGURE 3 shows a section of the block shown in FIGURE 2, along the line 33' in the direction of the arrows;1 In the building block shown in FIG.
10 and 11, the primary projections 21 on the outer face of the base are indicated by the smaller circles inbroken lines. TOY BUILDING BRICK. 8, 9 and 10 are provided with only two internal projections, but otherwise their construction and function are the same as in the case of FIGS. 1 is a view of a toy brick of the basic t ype comprising a base plate provided with projections at both faces.The primary projections 21- are arranged in two rows parallel to the long edges ofthe rectangular base 10, and a standard set of bricks generally comprises units having four, six, and eight primary projections,v although the invention is naturally not limited to the use of such standard units, but also comprises base plates having a large number of primary projections 2' 1; Bricks provided with primary projections arranged in this man ner are Well-knownper se.FIGURE 5 shows a section of the coupled blocks 2, 2a taken on the line 5-5 of FIGURE 4 looking in the direction of the arrows;2. HFIGURE 8 is a plan view showing a block similar to those illustrated in FIGURES 2-7, but having only two internal projections;The blocksshown in FIGS. That was already over 25 years after LEGO had been founded, but this particular patent, as the document states, introduced the concept of… building bricks or blocks adapted to be connected together by means of projections extending from the faces of the elements and arranged so as to engage protruding portions of an adjacent element when two such elements are assembled ... thus providing for a vast variety of combinations of the bricks for making toy structures of many different kinds and shapes. Each of the secondary projections touches the geometrically projected cross sections of four primary projections. The description for the patent cites a Danish approval for the same design in 1958. 2-12., where in the base plate 10 is provided with side walls 11 and end walls 12, so as to constitute a hollow block open at one face, the primary projections are located at the external face of the bottom formed by the base plate 10, and the secondary projections 22 are locar d in the cavity of the hollow block.V co-operate with the primary projections 21 of an adjacent element in substantially the same manner as described with reference to the tubular projections of FIGS. 2-7.TOY BUILDING BRICK Oct. 24, 1961 2 Sheets-Sheet 1 Filed July 28, 1958 I F|G.2.This particular disposition of the secondary projections relative to the primary projections which is the essential feature of the invention provides for a vast number of possible combinations of adjacent bricks.In contr'adistinction to prior art, however, the secondary projections 22 according to this inventionare arranged co-axially with the centre of a square defined by four primary projections 21, the cross section of the secondary projections 22 being defined such a manner that it touches the cross sections of the four primary projections defining said square when said cross sections are geometrically projected normal to the bottom wall.In the plan views, FIGURES 2, 8, 9,. Patent dated Oct. 24;, 1961. ]FIGURE 6 is a view wherein the two blocks are laterally displaced relative to one another;FIGURE 2 is aplan view in the direction of the open face of a preferred embodiment of the invention in the form of a building block inthe shape of a rectangular parallelepiped of hollow construction with one open face and four side walls;Disclaimer 3,005,282.Gocltfred Kirk Chflstiansen, Billund, Denmark. TOY BUILDING BRICK. 1, 2, 3, 4, 5, 6, 7, g and 12 the secondary projections 22 are of tubular shape, having a cylindrical cavity therein as shown more clearly in the sectional views, FIGURES 3, 5, 7 and 12.
On January 28th 1958, Godtfred Kirk Christiansen patented the humble Lego brick. In the embodiments of FIGS.
a3. [Ofiicial Gazette May 25, 1.978.] The design calls for a hollow rectangular bricks with studs on top and a round hollow tube on the bottom. 46-45) This invention relates to toy building elements and more particularly to toy building bricks or blocks adapted to be connected togetherby means of projections extending from the faces of the elements and arranged so as to engage protruding portions of an adjacent element when two such elements are assembled- Toy elementsof this kind will be referred to generally as building bricks, and the principal object of the invention is to provide improved coupling means for clamping such building bricks together in any desired relative position thus providing for a vast variety' of combinations of the bricks for making toy structures of many different kinds and shapes.Preferably, both the primary and the secondary projections are of cylindrical shape, and the circular cross section of the secondary projections s will thus touch the four circular cross sections of the primary projec= tions 21. v V V In the embodiments shown in FIGS. A toy building block according to claim 5 in which the protuberances are circular in cross-section.FIGURE 4 illustrates the assembly of two blocks displaced relative to one another in the lengthwise direction thereof,Other embodiments of the invention, including building blocks in the shape of a rcctangular parallelepiped ofa hollow construction having one open face, will be described with reference to the accompanying drawings, in which:FIGURE 3 shows a section of the block shown in FIGURE 2, along the line 33' in the direction of the arrows;1 In the building block shown in FIG.
10 and 11, the primary projections 21 on the outer face of the base are indicated by the smaller circles inbroken lines. TOY BUILDING BRICK. 8, 9 and 10 are provided with only two internal projections, but otherwise their construction and function are the same as in the case of FIGS. 1 is a view of a toy brick of the basic t ype comprising a base plate provided with projections at both faces.The primary projections 21- are arranged in two rows parallel to the long edges ofthe rectangular base 10, and a standard set of bricks generally comprises units having four, six, and eight primary projections,v although the invention is naturally not limited to the use of such standard units, but also comprises base plates having a large number of primary projections 2' 1; Bricks provided with primary projections arranged in this man ner are Well-knownper se.FIGURE 5 shows a section of the coupled blocks 2, 2a taken on the line 5-5 of FIGURE 4 looking in the direction of the arrows;2. HFIGURE 8 is a plan view showing a block similar to those illustrated in FIGURES 2-7, but having only two internal projections;The blocksshown in FIGS. That was already over 25 years after LEGO had been founded, but this particular patent, as the document states, introduced the concept of… building bricks or blocks adapted to be connected together by means of projections extending from the faces of the elements and arranged so as to engage protruding portions of an adjacent element when two such elements are assembled ... thus providing for a vast variety of combinations of the bricks for making toy structures of many different kinds and shapes. Each of the secondary projections touches the geometrically projected cross sections of four primary projections. The description for the patent cites a Danish approval for the same design in 1958. 2-12., where in the base plate 10 is provided with side walls 11 and end walls 12, so as to constitute a hollow block open at one face, the primary projections are located at the external face of the bottom formed by the base plate 10, and the secondary projections 22 are locar d in the cavity of the hollow block.V co-operate with the primary projections 21 of an adjacent element in substantially the same manner as described with reference to the tubular projections of FIGS. 2-7.TOY BUILDING BRICK Oct. 24, 1961 2 Sheets-Sheet 1 Filed July 28, 1958 I F|G.2.This particular disposition of the secondary projections relative to the primary projections which is the essential feature of the invention provides for a vast number of possible combinations of adjacent bricks.In contr'adistinction to prior art, however, the secondary projections 22 according to this inventionare arranged co-axially with the centre of a square defined by four primary projections 21, the cross section of the secondary projections 22 being defined such a manner that it touches the cross sections of the four primary projections defining said square when said cross sections are geometrically projected normal to the bottom wall.In the plan views, FIGURES 2, 8, 9,. Patent dated Oct. 24;, 1961. ]FIGURE 6 is a view wherein the two blocks are laterally displaced relative to one another;FIGURE 2 is aplan view in the direction of the open face of a preferred embodiment of the invention in the form of a building block inthe shape of a rectangular parallelepiped of hollow construction with one open face and four side walls;Disclaimer 3,005,282.Gocltfred Kirk Chflstiansen, Billund, Denmark. TOY BUILDING BRICK. 1, 2, 3, 4, 5, 6, 7, g and 12 the secondary projections 22 are of tubular shape, having a cylindrical cavity therein as shown more clearly in the sectional views, FIGURES 3, 5, 7 and 12.