| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce leakage of lubricating oil when a power transmission mechanism, such as a gear train mechanism 14, in a closed case 12 mounted on a running air frame 2 is lubricated by lubricating oil collected in the closed case, in a running work machine, such as a tractor 1. <P>SOLUTION: An oil feed chamber 16 is situated at the portion, situated higher than an oil level 15 of lubricating oil 15 collected on the inner bottom of the closed case, of the closed case 12. A communicating hole 19 communicating with the interior of the closed case at a portion higher than the oil level of the lubricating oil is formed in the bottom part of the oil feed chamber 16, and meanwhile, an oil filter 20 having a removable hydrant 21 is formed in the upper part of the oil feed chamber. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
