| 摘要 |
PROBLEM TO BE SOLVED: To obtain a stable image and also to reduce the property deterioration of a vibration-proof elastic member used for attaching a motor by preventing the deviation of a developing position caused by the overrun of a developing unit. SOLUTION: The reaction force applied on the motor gear 296 of the revolver motor 295 from a revolver gear 294 by the inertia of revolver developing units 230a and 230b is suppressed by pressing the side surface 295a, etc., of the motor case of a revolver motor 295 by a pressing bracket 31 so that the tooth skipping of a gear caused by gear relief between the gears 296 and 294 can be prevented. The reaction force applied on a motor mount 29 is dissipated so that the property deterioration of the mount 29 can be prevented. |
