| 摘要 |
PURPOSE:To attain transmission at four forward speed stages and one backward speed stage, by providing an intermediate transmission shaft in parallel with a Rabinio-type planet gear device and providing clutches between an input shaft and a rear sun gear and between the input shaft and a front sun gear and between a drive shaft and a carrier. CONSTITUTION:An intermediate transmission shaft 66 is provided in parallel with a Rabinio-type planet gear device 34. A first clutche 28 for connecting of disconnecting an input shaft 26 and a rear sun gear 36 to or from each other and a second clutch 30 for connecting or disconnecting the input shaft 26 and a front sun gear 40 to or from each other are provided. Brakes 42, 58 for stopping the rotation of a carrier 48 and the front sun gear 40 and a clutch 62 for connecting or disconnecting either the input shaft 26 or a drive shaft 10 to or from the carrier 48 are provided further. The clutches 28, 30, 62 and the brakes 42, 58 are selectively operated to attain transmission at four forward speed stages and one backward speed stage.
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