| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rotating shaft device in which lubricating oil can be supplied to a rolling bearing even without using air and wind noise due to air supply is eliminated. <P>SOLUTION: In the rotating shaft device rotatably supporting a rotating shaft 40 by the rotating shaft housing 11 via the roller bearings 20, 30 and having a lubricating oil supplying unit 60 supplying the lubricating oil to the rolling bearings 20, 30, the rolling bearings 20, 30 comprises outer rings 21, 31 secured to the rotating shaft housing 11, inner rings 22, 32 arranged in the inner peripheral sides of the outer rings 21, 31 and secured to the rotating shaft 40, and rolling bodies arranged between the outer rings 21, 31 and the inner rings 22, 32, the lubricating oil supplying unit 60 has brushes 66, 67 inserted between the outer rings 21, 31 and the inner rings 22, 32, a supplying passage 11b supplying the lubricating oil to the brushes 66, 67 and vibrators 61, 62 vibrating the brushes 66, 67. <P>COPYRIGHT: (C)2012,JPO&INPIT |
