| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent reduction in traction transmission efficiency, when foreign matter in oil intrudes in a pressing contact part in the radial direction between rollers by rotation of the roller whose most part is soaked in the oil. Ž<P>SOLUTION: The rollers 31 and 32 rake up the oil (an oil level Lo) in a housing 11 as indicated by arrows B1 and B2, and further make this raked-up oil flow down, and then, make the oil proceed again to the contact starting side of both rollers 31 and 32. The lower roller 32 is soaked at the most part in the oil, and when allowing the oil flowed downward as indicated by the arrow B2 by being accompanied by its outer periphery, to proceed to the contact starting side of both rollers 31 and 32 thereafter, transmission efficiency is reduced by making the foreign matter in the oil proceed in large quantities to a mutual pressing contact part in the radial direction of the rollers 31 and 32. Then, a foreign matter catcher 51 is arranged in the lowest part of an oil flowing-down passage, and the foreign matter in the oil is captured and stored so that the foreign matter does not proceed to the mutual pressing contact part in the radial direction between the rollers. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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