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US 12,656,707 B2Granted
Image forming apparatus, device, and bearing
AssigneeFUJIFILM Business Innovation Corp.
InventorsMisaki Suruga, Keiji Sasaki
Life of this patent
Estimating the term…
Abstract
An image forming apparatus includes: a rotary body including a rotation shaft; and a bearing that supports the rotation shaft and that includes a lubricant layer formed of oil; resin; or the like and provided at a portion to be in contact with the rotation shaft; and a holding part that holds powder produced as a result of the lubricant layer being abraded.
Claims18
An image forming apparatus comprising:
- a rotary body including a rotation shaft;
- and
- a bearing that supports the rotation shaft and that includes a lubricant layer formed of oil, resin, or lubricant and provided at a portion to be in contact with the rotation shaft, and a holding part that holds powder produced as a result of the lubricant layer being abraded,
- wherein
- the bearing is cylindrical,
- the bearing has one end face located at one end in the axial direction and the other end face located at the other end in the axial direction,
- a projection is provided on at least one of the one end face and the other end face,
- the powder is held in a gap between the projection and the rotation shaft,
- an inner circumferential surface of the bearing is tubular, and
- the holding part is provided at, at least one of one end and the other end of the inner circumferential surface in an axial direction.
7 more elements
A device comprising:
- a rotary body including a rotation shaft;
- and
- a bearing that supports the rotation shaft and that includes a lubricant layer formed of oil, resin, or lubricant and provided at a portion to be in contact with the rotation shaft, and a holding part that holds powder produced as a result of the lubricant layer being abraded,
- wherein
- the bearing is cylindrical,
- the bearing has one end face located at one end in the axial direction and the other end face located at the other end in the axial direction,
- a projection is provided on at least one of the one end face and the other end face,
- the powder is held in a gap between the projection and the rotation shaft,
- an inner circumferential surface of the bearing is tubular, and
- the holding part is provided at, at least one of one end and the other end of the inner circumferential surface in an axial direction.
7 more elements
A bearing that supports a rotation shaft, the bearing comprising:
- a lubricant layer formed of oil, resin, or lubricant and provided at a portion to be in contact with the rotation shaft;
- and
- a holding part that holds powder produced as a result of the lubricant layer being abraded,
- wherein
- the bearing is cylindrical,
- the bearing has one end face located at one end in the axial direction and the other end face located at the other end in the axial direction,
- a projection is provided on at least one of the one end face and the other end face,
- the powder is held in a gap between the projection and the rotation shaft,
- an inner circumferential surface of the bearing is tubular, and
- the holding part is provided at, at least one of one end and the other end of the inner circumferential surface in an axial direction.
7 more elements
Dependencies are inferred from the claim text.