Photosensitive drum unit and image forming apparatus
AssigneeKYOCERA Document Solutions Inc.
InventorShota ONISHI
Life of this patent
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Abstract
A photosensitive drum unit includes a photosensitive drum, a drum shaft, a resin frame, and a conducting member. The drum shaft is inserted through the photosensitive drum. The resin frame supports opposite ends of the drum shaft. The conducting member is a substantially coil-shaped spring member having a first end adjacent to the resin frame and a second end opposite to the first end. The conducting member is tapered from the first end toward the second end. The first end forms a first opening and the second end forms a second opening. A circle inscribed in the second opening has a diameter larger than an outer diameter of the drum shaft.
Claims13
A photosensitive drum unit comprising:
- a drum tube having a photosensitive layer thereon;
- a drum shaft inserted through the drum tube;
- a frame supporting opposite ends of the drum shaft;
- and
- a conducting member electrically connecting the drum shaft and the drum tube, wherein
- the conducting member is a substantially coil-shaped spring member having a first end adjacent to the frame and a second end opposite to the first end,
- the conducting member is tapered from the first end toward the second end,
- the second end forms an opening, and
- a circle inscribed in the opening has a diameter larger than an outer diameter of the drum shaft.
Dependencies are inferred from the claim text.