US 11,927,912 B2
Image forming apparatus and process cartridge including drum cartridge and development cartridge
Shougo Sato, Seto (JP); and Kazuna Taguchi, Nagoya (JP)
Assigned to BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed by BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed on Aug. 1, 2022, as Appl. No. 17/878,309.
Application 17/878,309 is a continuation of application No. 17/343,002, filed on Jun. 9, 2021, granted, now 11,442,403.
Claims priority of application No. 2020-100886 (JP), filed on Jun. 10, 2020.
Prior Publication US 2022/0373964 A1, Nov. 24, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G03G 21/16 (2006.01); G03G 21/18 (2006.01)
CPC G03G 21/1814 (2013.01) [G03G 21/1821 (2013.01); G03G 21/1846 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An image forming apparatus comprising:
a housing having an opening;
a drum cartridge movable in a first direction through the opening between:
a first position at which the drum cartridge is located inside the housing; and
a second position at which the drum cartridge is located outside the housing,
the drum cartridge including:
a photosensitive drum rotatable about an axis extending in the first direction;
a drum frame supporting the photosensitive drum; and
a first handle located at a downstream end of the drum frame in a movement direction in which the drum cartridge moves from the first position to the second position; and
a development cartridge including:
a development roller configured to supply toner to the photosensitive drum; and
a development frame supporting the development roller,
the development cartridge being unattachable to and undetachable from the drum cartridge in a state where the drum cartridge is located at the first position, and
the development cartridge being attachable to and detachable from the drum cartridge in a state where the drum cartridge is located at the second position.