| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a block in which convex/concave grooves, rails, holes and columns are formed at side faces of the block so as to be freely changeable in installation position, and which can be attached to free positions of one block in eight directions. <P>SOLUTION: The block is characterized in that, the concave grooves are formed at three faces of the side faces (1-1 to 1-3) of a hexagonal column of the block and the convex rails are formed at three faces of the side faces (2-1 to 2-3), the other installation part has concave portions of the holes (3), and the other remaining installation part has convex portions of the columns (4). <P>COPYRIGHT: (C)2012,JPO&INPIT |
