| 摘要 |
PROBLEM TO BE SOLVED: To automatically supply lubricant to a lubricating chamber by providing a lubricant supply chamber partitioned from the lubricating chamber by a partition member permeable of the lubricant. SOLUTION: A lubricant supply chamber 33 is partitioned from a lubricating chamber 22 by a partition film 32. The partition film 32 is composed of a material permeating oil content of grease 34 and rubber materials such as chloroprene rubber and silicon rubber, thermoplastic resin such as polyethylene and polyester, or thermoplastic elastomer can be cited as materials. During rotation of torque transmission, there is some possibility that the content of the grease 34 permeates through material particles in a booth 20 so as to leak outside the lubricating chamber 22 by operation of the centrifugal force due to rotation or the increase in the internal pressure of the lubricating chamber 22 by heat generation of a sliding part. However, the grease of the lubricant supply chamber 33 penetrates the partition film 32 so as to be automatically supplied in the lubricating chamber 22 and therefore the quantity of the grease 34 necessary for lubrication of the sliding part can be secured in the lubricating chamber 22. |
