| 摘要 |
PROBLEM TO BE SOLVED: To provide a driving force transmission device capable of restricting the amount of relative movement of one of first and second holders to the other, thereby preventing the excessive turn of one of the first and second holders.SOLUTION: A storage recessed portion 80 is provided in the inner periphery of a second annular part 39 of an outside holder 32, and an engagement protruded portion is provided on the outer periphery of a third annular part 34 of an inside holder 31. The engagement protruded portion is stored in the storage recessed portion 80. The engagement protruded portion engages with a restriction wall 81 provided on a peripheral other Y2 side of the storage recessed portion 80 to restrict the amount of relative turn of one of the inside holder 31 and the outside holder 32 to the other.SELECTED DRAWING: Figure 3 |
