| 摘要 |
PURPOSE: A phasing gear is provided to reduce difference of average rigidity since multiple teeth lines are arranged in parallel with fixed phase difference. CONSTITUTION: The center of a disk-shaped base(11) is coupled with a rotary shaft. Multiple teeth lines(12,13) are integrated with the outer surface of the base in parallel. Each teeth line is made of multiple gear teeth arranged on the outer surface of the base at fixed intervals. The gear teeth of each teeth line have predetermined phase difference and are arranged in the shape of a zig-zag.
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