| 摘要 |
PURPOSE:To increase the rotation force of a prime moving part and to increase its rotation speed by the method wherein a large sprocket, geared with a chain used commonly to a small sprocket formed integrally with a planetary gear, is coupled to a solar gear through a planetary bevel gear. CONSTITUTION:With a central shaft 1 rotated by a crank level 15, a mounting shaft 16 is rotated around a bearing cylinder 2, and a small sprocket 19 is also rotated around the bearing cylinder 2. The movement is transmitted to a large sprocket 8 through a chain 20 to rotate a large sprocket 8. Along with the rotation of the large sprocket 8, a driving bevel gear 11 is also rotated, and a driven bevel gear 10 is rotated through a relay bevel gear 12. In which case, a solar gear 6, formed integrally with the driven bevel gear, is rotated, and a planetrary gear 17 is revolved with the rotation. In this case, a power is increased by a lever theory, and is transmitted to a sprocket 21 through the chain 20 to fetch it to the outside.
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