| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power transmitting device enabling more wirings and pipings to be arranged in a hollow shaft penetrating through the device. <P>SOLUTION: A power transmitting device 112 equipped with an input shaft (a hollow shaft) 122 penetrating the whole device, wherein: the input shaft 122 is a rotary shaft; an inner circumferential surface of the input shaft 122 has a region linear axially, and an expanding region C1 which is formed continuously from the linear region and expanded as it approaches an end of the input shaft 122; an axial expanding length b is bigger than a radial expanding width (a) in the expanding region C1; the input shaft 122 is equipped with a pair of bearings 150 and 152 directly supporting the shaft; and between the pair of bearings 150 and 152, the bearing 150 at the expanding region C1 side is bigger in diameter. <P>COPYRIGHT: (C)2012,JPO&INPIT |
