| 摘要 |
A five-by-five cube puzzle has a central shaft assembly mounted around by center blocks in predetermined numbers, first intermediate blocks, second intermediate blocks, first edge blocks, second edge blocks and corner blocks. Each center shaft of a multi-axis shaft unit of the central shaft assembly is combined with a movable inner shield. An outer shield is mounted on an outside of a corresponding inner shield with a spring and a screw. The inner shields and the outer shields are combined with the first intermediate blocks, second intermediate blocks, first edge blocks, second edge blocks and corner blocks to form the cube puzzle. Based on rotation of those blocks with respect to the relative movement between inner shields and outer shields and sufficient gap among each block and a corresponding inner shield and outer shield, smooth rotation of each block can be achieved without being affected by slightly skew block alignment.
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