| 摘要 |
PURPOSE:To prevent a photosensitive body from damaging by providing a manual lever and a lock device which prevent a developing device from being loaded incompletely in a device body and coming out, and inhibiting the developing device at a development position from being taken out of the device body. CONSTITUTION:Developing devices 3 and 4 are provided with eccentric rollers 8 and 9 respectively and made movable between a developing operation position and a non-developing position, and the driving shaft 15 for the lock device 14 is provided coaxially with the eccentric rollers 8 and 9. Further, the front side plate 12 of the device body is provided with an opening 12A where the developing devices 3 and 4 are loaded, and the manual lever 13 having an operation part 13A is fitted slidably. Then, a lever 13 is moved to the 1st position to insert the developing device 3(4) into the opening 12A for loading and then moved to the 2nd position to move the developing device 3(4) through the eccentric roller 8(9), and consequently the rocking arm 14A of the lock device 14 rotates to lock the lever 13, so the developing device 3(4) can not be taken to from the body. |
