| 摘要 |
Hub for information media, the hub comprising an outer winding area having a width, a central bore and a center point located on the hub, driving grooves on a circumference of the hub, an outer ring, an inner ring, and a connector for connecting the outer ring with the inner ring. The width of the outer winding area of the hub is at least equal to a width of the information medium. The connector comprises diagonal ribs running diagonally at a slant in an axial direction and sloping alternately in accordance with two axial directions of the hub and in neighboring segments, wherein respective pairs of neighboring diagonal ribs are sloped in different directions and have a further rib between them.
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