Developer Unit and Image Formation Device
AssigneeBrother Kogyo Kabushiki Kaisha
InventorNaoya Kamimura
Life of this patent
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Abstract
A developing unit and image formation device in which a developer carrier is reliably pressed towards and separated from an image carrier is described. A separation and pressing mechanism is provided for separating and pressing the developer carriers of developing cartridges installed in a drum unit onto image carriers. This separation and pressing mechanism has a pair of direct cam members. Each direct cam member has a release action portion that engages with the releasing projection of a developing cartridge when the developer carrier is to be separated from the image carrier. Each direct cam member may also have a pressing action portion that engages with the pressing projection of the developing cartridges when the developer carrier is to be pressed onto the image carrier.
Claims1
A developer unit comprising:
- a case configured to house developer;
- a developer carrier;
- a pressing projection protruding beyond the case in a first direction;
- and
- a releasing projection protruding beyond the case in a second direction parallel to the first direction;
- and
- a rotating member provided on the case and allowed to pivotally rotate with respect to the case about a rotational axis, the rotating member including at least one of the pressing projection and the releasing projection,
- wherein the pressing projection is provided on the rotating member,
- wherein the rotating member is a handle, and
- wherein at least one of the pressing projection and the releasing projection is movable with respect to the case.
Dependencies are inferred from the claim text.