| 摘要 |
PURPOSE:To make it possible to easily change over each mode of normal, lock and free for center diff. according to its sliding position by providing, freely in sliding toward a shaft, a differential limitting device which provides the specified bonding power to between separate output shafts on the front wheel side and the rear wheel side of the center diff. CONSTITUTION:The rotational output of an engine 11 is transmitted to a front wheel 16 through a front diff. 23 and to a rear wheel 29 through a rear diff. 28, after being input into a center diff. 14 through a clutch 12 and a speed change gear 13. And a viscous multiple disc clutch 30 constituted of an inner ring part 30a and an outer ring part 30b is provided as a differential limitting device which provides the specified bonding power to between separate output shafts 21, 22 on the front wheel side and the rear wheel side of the center diff. 14. In this case, for a clutch 30, the inner ring part 30 is engaged freely in sliding toward the shaft center to the output shaft 21 on the front wheel side. And separate splines 31, 32, 33, which are formed respectively at the outer ring part 30b and separate output shafts 22, 21 on the front wheel side and the rear wheel side, are made possible to engage/disengage with the slide of the clutch 30.
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