| 摘要 |
PURPOSE:To facilitate assembling of a transmission by employing a planetary gear mechanism while arranging the deceleration/advance/back device, the input shaft and the primary shaft coaxially. CONSTITUTION:Planetary gear mechanism having single planetary gear 8, double planetary gears 9, 10 and two sun gears 11, 12 is employed as a deceleration/ advance/back device 4. Since triple shaft structure of input shaft 1, secondary shaft 22 and output shaft 32 are employed, compact and easy-to-assemble structure can be realized.
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