| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent oil from flowing out of air holes P1 and P2. <P>SOLUTION: A body 11 having the air hole P1 and a lid body 12 having the air hole P2 are combined to provide a porous shield material 15. When the body 11 is mounted to an oil feeding port 21a of a housing 21 of a gear box, the air holes P1 and P2 form an air passage communicating with the inside and outside of the housing 21, and the shield material 15 ventilatably shields the air passage to allow only air flow. <P>COPYRIGHT: (C)2004,JPO |
