JPH0318883U

JPH0318883U -

Info

Publication number: JPH0318883U
Application number: JP7940389U
Authority: JP
Priority date: 1989-07-04
Filing date: 1989-07-04
Publication date: 1991-02-25

Description

[Brief explanation of drawings]

第１図は外接球面の球面分割及びピースの配置
を示す正面図、第２図は小球面三角形の集合より
なる各球面多角形を基本形状とするピースの形状
を示す正面図、第３図は小球面三角形の弦上平面
でのパターン変化を示す斜視図、第４図は、磁力
及び填め込みを用いたピースと基体球の付着を示
す要部断面図、第５図は支持具と基体球の回転軸
を示す正面図、第６図はラチエツトを用いた制動
軸の１例を示す断面図、第７図はトリアコン分割
、オルタネイト分割を示す正面図である。Ａ……外接球面、Ｂ……基体球、Ｃ……支持具
、１……球面三角形、２……稜、３……小球面三
角形、４……三角形型基本形状、５……四角形型
基本形状、６……六角形型基本形状、７……五角
形型基本形状、８……辺、９……ピース、１０…
…ピースの配置、１１……弦、１２……平面、１
３……外接球面の中心、１４……紙、１５……磁
石、１６……強磁性体、１７……突起、１８……
穴、１９……回転軸、２０……制動軸。 Fig. 1 is a front view showing the spherical division of the circumscribed sphere and the arrangement of the pieces, Fig. 2 is a front view showing the shape of the pieces whose basic shape is each spherical polygon made of a set of small spherical triangles, and Fig. 3 is the front view showing the spherical division of the circumscribed sphere and the arrangement of the pieces. A perspective view showing a pattern change in the chordal plane of a small spherical triangle. Figure 4 is a cross-sectional view of a main part showing the attachment of a piece and a base sphere using magnetic force and inset. Figure 5 is a support and a base sphere. 6 is a sectional view showing an example of a braking shaft using a ratchet, and FIG. 7 is a front view showing triacon division and alternate division. A... Circumscribed spherical surface, B... Base sphere, C... Support, 1... Spherical triangle, 2... Edge, 3... Small spherical triangle, 4... Triangular basic shape, 5... Quadrilateral basic shape. Shape, 6... Hexagonal basic shape, 7... Pentagonal basic shape, 8... Side, 9... Piece, 10...
...Piece arrangement, 11...Strings, 12...Plane, 1
3...Center of circumscribed sphere, 14...Paper, 15...Magnet, 16...Ferromagnetic material, 17...Protrusion, 18...
Hole, 19...rotating axis, 20...braking axis.

Claims

[Claims for Utility Model Registration] 1. Divide each edge 2 of a spherical triangle 1 obtained by projecting any one of a regular icosahedron, a regular octahedron, or a regular tetrahedron onto its circumscribed sphere A into equal numbers. The basic shape of the piece is the small spherical triangle 4 obtained by connecting each of the points using geodesics, or the spherical polygons 5, 6, and 7 obtained by combining the small spherical triangles, and the tangent sides 8 of the adjacent basic shapes are A globe jigsaw puzzle that is divided into 9 pieces obtained by interlocking each other. 2 Divided by a pattern obtained by changing the chords so as to interlock each other on the plane 12 on the chord 11 connecting each vertex of the small spherical triangle 3 and projecting the pattern onto the circumscribed sphere. The globe jigsaw puzzle according to claim 1. 3 Piece 9 mainly made of hard plastic
A magnet 15 is attached to the surface of the base sphere B, and a ferromagnetic material 1 is
2. The globe jigsaw puzzle according to claim 1, wherein the piece and the base sphere are reversibly attached by covering with the base sphere. 4 Piece 9 mainly made of hard plastic
2. The globe jigsaw puzzle according to claim 1, wherein the pieces and the base spheres B are reversibly attached by providing projections 17 on the base spheres and making holes 18 on the surface of the corresponding base spheres B. 5. The globe jigsaw puzzle according to claim 1, wherein rotating shafts 19 and 20 are provided for the support C, and the rotating shafts are braked by a braking shaft 21 by a ratchet.