| 摘要 |
A power transmission mechanism using metal belts including a driving pulley having first and second driving pulley-halves capable of advancing and retreating in an axial direction of a driving axis, the first and second driving pulley-halves having first and second belt guiding portions formed thereon to face each other, respectively, a driven pulley having first and second driven pulley-halves installed at a driven axis parallel to the driving axis to be capable of advancing and retreating along the driven axis, the first and second driven pulley-halves having third and fourth belt guiding portions formed thereon to face each other, respectively; and at least two metal belts capable of circulating around the belt guiding portions of the driving pulley and the driven pulley without interference, wherein each of the belt guiding portions is formed of an inclined surface having a predetermined curvature such that angular velocities of all belts can be identical at an arbitrary speed rate between the driving pulley and the driven pulley.
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