| 摘要 |
A driving mechanism for rotating a rotary body (2) in use with an image forming apparatus such as a copying machine or a printer. The mechanism includes: a rotary body (2) having an axis on a driving shaft (13); a driving mechanism, including a gear chain, for rotating the rotary body (2); a first dynamic damper (14), located at a first side of the rotary body on the axis, having a first specific frequency band for absorbing a vibration of the rotary body; and a second dynamic damper (14), located at a second side which is opposite to the first side on the axis, having a second specific frequency band for absorbing the vibration of the rotary body. <IMAGE> |
