| 摘要 |
A differential gear arbitrarily produces difference in speed of rotation between output side rotary members. When a difference in speed of rotation occurs between drive shafts 3 and 4 , if clutches 12 and 17 are disconnected, the drive shaft 3 rotates independently of the first output side gear 9 , and the drive shaft 4 rotates independently of the second output side gear 14 . When the rotation of the drive shaft 3 with respect to the first output side gear 9 is controlled by the first clutch 12 , by setting appropriately the gear ratios between (1) the first input side gear 8 , (2) the first output side gear 9 and (3) the first intermediate gears 10 , the drive shaft 3 rotates faster than the drive shaft 4.
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