| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming device with a highly efficient flywheel mounted thereon. SOLUTION: A first flywheel 1 is connected to a drive shaft to rotationally drive an image forming drum. Second flywheels 2..., 2 which are located at spaces from the drive shaft to be divided into four along a groove 11 in a variable condition are mounted on the first flywheel 1. The outer diameter of a whole flywheel constructed by the first flywheel 1 and the second flywheels 2..., 2 can be easily changed. In such a structure, the outer diameter of the flywheel is changeable into a small diameter without demounting the flywheel when electrical equipment is maintained, thus avoiding labor and risk for mounting/demounting the flywheel. |
