Image forming apparatus
AssigneeBrother Kogyo Kabushiki Kaisha
InventorShougo Sato
Life of this patent
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Abstract
An image forming apparatus includes a body casing, a pressing member, a process cartridge, and a drawer. The body casing includes a positioning member. The pressing member is disposed inside the body casing. The process cartridge includes a photosensitive drum. The drawer is configured to support the process cartridge and to move, in a sliding direction orthogonal to an axis direction of the photosensitive drum, between an inside position that is a position inside the body casing and an outside position that is a position outside the body casing. The process cartridge includes an engagement portion and a spring. The engagement portion is configured to be positioned by the positioning member. The spring is configured to be pressed by the pressing member such that the engagement portion is pressed toward the positioning member.
Claims10
An image forming apparatus comprising:
- a plurality of process cartridges, each of which is configured to be detachably attached to the image forming apparatus and includes a photosensitive drum extending in a first direction and an urging member, the plurality of process cartridges being arranged in a second direction perpendicular to the first direction, the urging member including a spring and a spring-cover;
- and
- a body casing including a positioning member and an urged portion, the positioning member having a plate shape which is formed of metal and extends in a third direction perpendicular to the first direction, the positioning member having recess portions, each recess portion being configured to receive an end portion, in the first direction, of a respective process cartridge, the urged portion being configured to be urged vertically by the spring,
- wherein when the process cartridge is attached to the image forming apparatus, the urged portion is configured to contact the spring-cover of the urging member to allow the positioning member to position the photosensitive drum.
Dependencies are inferred from the claim text.