| 摘要 |
PURPOSE: A transmission is provided to simplify structure by including a complex planetary gear set and to improve space utilization by reducing size. CONSTITUTION: A sun gear(110) is connected to an input terminal. A first planetary gear(120) circumscribes with the sun gear. A second planetary gear(130) is formed into one body with the first planetary gear. A first ring gear(140) circumscribes with the first planetary gear. The first ring gear is connected to an output shaft. A second ring gear(150) circumscribes with the second planetary gear. A cage supports rotation shaft of the first planetary gear and the second planetary gear in order to revolve with the sun gear as the center. A brake member controls the rotation of the second ring gear and the rotation of the cage.
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