| 摘要 |
PURPOSE:To improve the sealing property, etc., of a viscous coupling by connecting both end parts of a hollow shaft which is fitted on an axle shaft to a viscous coupling and a differential device and removably fitting a rotation transmitting gear on the hollow shaft. CONSTITUTION:A driving force outputted from an engine is distributed to right and left front axle shafts 35, 37 after rotating the case 11 of a front differential device 9. In this case, a hollow shaft 39 is fitted on the right side front axle shaft 37 and the hub part 15 of the case 11 is joined to the left side of the hollow shaft 39. On the other hand, a viscous coupling 43 and a first transmission gear 57 are rotatably provided in a transfer case 41. And, the hub part 57A of the first transmission gear 57 is joined to the inner hub 47A of the outer case 47 of the viscous coupling 43. Thereby, the sealing property and sound/vibration preventing effect of the viscous coupling 43 can be improved.
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