| 摘要 |
PROBLEM TO BE SOLVED: To provide a valve timing adjusting device enhancing the life of a bearing.SOLUTION: A driving roller 11 has a first sun gear part 116 in the inside in a radial direction. A driven roller 12 has a second sun gear part 123 in the inside in the radial direction. A planetarium roller 13 has a first planetarium gear part 133, a second planetarium gear part 134, and a shaft hole 135. A cylinder shaft 14 is formed into a cylindrical shape. A center bolt 15 is rotatably arranged interlocking with a cam shaft 4. A first bearing 16 is arranged between the exterior wall of a center bolt 15 and the interior wall of the cylinder shaft 14. A second bearing 17 is arranged between the exterior wall of the cylinder shaft 14 and the interior wall of the shaft hole 135. The center BC1 of the first bearing and the center BC2 of the second bearing is positioned between the center GC1 of the first gear and the center GC2 of the second gear. |
