| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and a device capable of positively permeating a grease to a needle bearing around a leg shaft. SOLUTION: When the grease G is filled in the bearing (a needle roller 13) standing between the leg shaft 14 of a trunnion kit 12 and a roller 15 loaded in the leg shaft 14, the top end side of the leg shaft 14 including the peripheral surface of the roller 15 is covered by a cupped cover body 10. The needle roller 13 is permeated by pressure-sending the grease G into the inside of the cover body 10. COPYRIGHT: (C)2008,JPO&INPIT
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