| 摘要 |
<p>The power transmission device (14) has a reduction gear (16) and a transmission element, which is provided on an end portion of an input shaft (34) of the reduction gear and transmits rotation of a drive source on the input shaft. An inner bearing (80) is provided, which is arranged on the side of the reduction gear in an axial direction instead of a power transmission section and carries the transmission element or the input shaft from an inner peripheral side. A support element is integrated with the primary element, in which inner periphery of the inner bearing is fitted.</p> |
