Image forming apparatus
AssigneeBrother Kogyo Kabushiki Kaisha
InventorHideshi NISHIYAMA
Life of this patent
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Abstract
An image forming apparatus including a main body casing, a drum cartridge and a developing cartridge. The main body casing has an opening and a slot extending in from the opening toward an inside of the main body casing along a first direction. The drum cartridge and the developing cartridge are arranged in a second direction intersecting the first direction in a state where the drum cartridge and the developing cartridge are attached to the slot. The main body casing includes a drum guide groove configured to guide movement of the drum cartridge. The drum cartridge includes a drum protrusion configured to be engaged with the drum guide groove. A width of the drum guide groove in the second direction is decreased toward the inside of the main body casing from the opening.
Claims12
An image forming apparatus comprising:
- a main body casing having an opening and a slot extending from the opening toward an inside of the main body casing along a first direction, the main body casing including a cover movable between an open position in which the cover does not cover the opening and a closed position in which the cover covers the opening and when the cover is in the closed position, the main body casing having an inner surface positioned at an innermost of the slot;
- a drum cartridge including a photosensitive drum rotatable about a first axis extending in the first direction, the drum cartridge being removably insertable into the slot through the opening in the first direction;
- and
- a developing cartridge including a developing roller rotatable about a second axis extending in the first direction, the developing cartridge being removably insertable into the slot through the opening in the first direction,
- wherein the main body casing includes a drum guide groove configured to guide movement of the drum cartridge, the drum guide groove extending in the first direction, and
- wherein the drum guide groove has a tapered shape.
Dependencies are inferred from the claim text.