Photosensitive member cartridge
AssigneeBrother Kogyo Kabushiki Kaisha
InventorsYasushi Okabe, Shougo Sato, Tsutomu Suzuki
Life of this patent
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Abstract
The invention provides a photosensitive member cartridge, that has, for example, a case including a bottom wall, an upper wall, and side walls. A photosensitive drum and a transfer roller are rotatably disposed in a space surrounded by the bottom wall, the upper wall, and the side walls. The bottom wall extends below the transfer roller. A developer cartridge, having a developing roller, is set on the extending portion of the bottom wall.
Claims21
A photosensitive member cartridge for use with a developer cartridge that includes a developing roller, comprising:
- a case;
- a photosensitive member rotatably provided in the case;
- and
- a transfer roller rotatably provided in the case, the transfer roller being disposed so as to face the photosensitive member, the transfer roller being disposed below the photosensitive member;
- wherein the case has a shape such that the photosensitive member and the transfer roller are substantially covered, the case having a bottom wall covering a lower portion of the transfer roller, the bottom wall of the case having an extending portion extending below the transfer roller in a horizontal direction, the extending portion being capable of being detachably attached to the developer cartridge.
An image forming apparatus, comprising:
- a developer cartridge that includes a developer roller;
- and
- a photosensitive member cartridge that includes:
- a case;
- a photosensitive member rotatably provided in the case;
- and
- a transfer roller rotatably provided in the case, the transfer roller being disposed so as to face the photosensitive member, the transfer roller being disposed below the photosensitive member;
- wherein the case has a shape such that the photosensitive member and the transfer roller are covered, so that the photosensitive member and the transfer roller are not substantially exposed from an exterior of the image forming apparatus, the case having a bottom wall covering a lower portion of the transfer roller, the bottom wall of the case having an extending portion extending below the transfer roller in a horizontal direction, the extending portion being capable of being detachably attached to the developer cartridge.
A photosensitive member cartridge for use with a developer cartridge that includes a developing roller, comprising:
- a case;
- and
- a photosensitive member rotatably provided in the case;
- wherein the case has a shape such that the photosensitive member is substantially covered, the case having a bottom wall, the bottom wall of the case having an extending portion that is capable of being detachably attached to the developer cartridge;
- and
- wherein the case has a lock member that locks the developer cartridge on the extending portion.
Dependencies are inferred from the claim text.