Transport roller pair, fixing device, and image forming device
AssigneeSharp Kabushiki Kaisha
InventorsHideaki Kurimoto, Hideaki Kadowaki
Life of this patent
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Abstract
A transport roller pair including: a first-side roller provided with a plurality of roller portions spaced apart in a rotation axial line direction; a fixing device; and an image forming device is provided. The first-side roller includes roller portions. The transport roller pair further includes a second-side roller including a plurality of contact areas and a plurality of non-contact areas as areas other than the plurality of contact areas. At least the contact areas are covered with a release layer, and an outer diameter of each of the plurality of non-contact areas is smaller than an outer diameter of each of the plurality of contact areas. The second-side roller includes a shaft member integrally formed to have a stepped shape.
Claims8
A transport roller pair provided downstream, in a transport direction of a sheet, of a fixing member that heat-fixes an unfixed toner image to the sheet, the transport roller pair comprising:
- on one side, a first-side roller including a plurality of roller portions spaced apart in a rotation axial line direction of the first-side roller, and
- on another side, a second-side roller including a plurality of contact areas, each including a contact region in contact with each of the plurality of roller portions of the first-side roller, and a non-contact area as an area other than from the plurality of contact areas,
- wherein at least the plurality of contact areas of the second-side roller are covered with a release layer made of a release material, and an outer diameter of the non-contact area is smaller than an outer diameter of each of the plurality of contact areas, and
- the second-side roller includes a shaft member integrally formed to have a stepped shape.
Dependencies are inferred from the claim text.