Patent ID: 11953855
Assignee: BROTHER KOGYO KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. An image forming apparatus comprising:
a housing;
a drum cartridge as a first cartridge comprising a photosensitive drum;
a second cartridge in which toner is accommodatable; and
a drawer movable between an inside position where the drawer in its entirety is positioned inside the housing and an outside position where at least a part of the drawer is positioned outside the housing, the drum cartridge being attachable to and detachable from the drawer, the drawer comprising:
a side plate configured to receive the photosensitive drum; and

a locking surface supported by the side plate and movable relative to the side plate, the locking surface being movable between a locking position where the locking surface locks the photosensitive drum to the side plate and an unlocking position where the locking surface unlocks the photosensitive drum from the side plate in an attached state of the drum cartridge to the drawer.