| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power transmission device that can improve lubricating property on the back of a gear part. <P>SOLUTION: In the power transmission device 1 including a shaft 3 rotatably disposed therein and a gear 5 directly bonded to the shaft 3 in a rotational direction, a scooper 7 for scooping up lubricating oil by rotation is provided on the back of the gear 5. <P>COPYRIGHT: (C)2013,JPO&INPIT |
