| 摘要 |
PURPOSE:To increase a damper capacity through increase of the size of a flange part in a way that a biasing spring is situated on the axis side by a distance equivalent to the size of a notch, by a method wherein a notch, serving as a part of a biasing spring engaging hole, is formed in the flange part of a rotary shaftlike the cam shaft of an internal combustion engine. CONSTITUTION:A driven gear 10 is rotatably supported to a large flange part 7a of a rotary shaft 7, and a biasing gear 13 is relatively rotatably supported on the rotary shaft 7 and the driven gear 10. Plural damper mechanisms A are placed between the two gears 10 and 13 and the flange part 7a. An engaging hole 24 of a biasing spring 25, forming a part of a notch part 30 of the flange part 7a, is formed in each of the two gears 10 and 13 in a way that a phase is circumferentially displaced by 180 deg.. The biasing spring 25 is engagedly attached in the engaging hole 24 so that the axis of the engaging hole runs in a direction extending at right angles with the radius of the driven gear 10. |
