Conductive support for electrophotographic photoreceptor, electrophotographic photoreceptor, and process cartridge

US9946174B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9946174-B2
Application numberUS-201615236561-A
CountryUS
Kind codeB2
Filing dateAug 15, 2016
Priority dateMar 18, 2016
Publication dateApr 17, 2018
Grant dateApr 17, 2018

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  1. Title

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  2. Abstract

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  5. First independent claim

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Abstract

Official abstract text for this publication.

A conductive support for an electrophotographic photoreceptor includes a cylindrical member containing aluminum, wherein the cylindrical member has an arithmetic mean roughness Ra of 1.3 μm or less, a maximum height of roughness profile Rz of 5.0 μm or less, and a mean width of roughness profile elements RSm in an axial direction of 80 μm to 400 μm.

First claim

Opening claim text (preview).

What is claimed is: 1. A conductive support for an electrophotographic photoreceptor, comprising: a cylindrical member containing aluminum, wherein the cylindrical member has an arithmetic mean roughness Ra of 1.3 μm or less, a maximum height of roughness profile Rz of 5.0 μm or less, and a mean width of roughness profile elements RSm in an axial direction of from 160 μm to 400 μm. 2. The conductive support for an electrophotographic photoreceptor according to claim 1 , wherein the cylindrical member has an arithmetic mean roughness Ra of 1.0 μm or less. 3. The conductive support for an electrophotographic photoreceptor according to claim 1 , wherein the cylindrical member has an arithmetic mean roughness Ra of 0.6 μm or less. 4. The conductive support for an electrophotographic photoreceptor according to claim 1 , wherein the cylindrical member has an arithmetic mean roughness Ra of 0.3 μm or more. 5. The conductive support for an electrophotographic photoreceptor according to claim 1 , wherein the cylindrical member has a mean width of roughness profile elements RSm in the axial direction of from 160 μm to 350 μm. 6. The conductive support for an electrophotographic photoreceptor according to claim 1 , wherein the cylindrical member has a mean width of roughness profile elements RSm in the axial direction of from 160 μm to 300 μm. 7. The conductive support for an electrophotographic photoreceptor according to claim 1 , wherein the cylindrical member has a mean width of roughness profile elements RSm in the axial direction of from 200 μm to 250 μm. 8. The conductive support for an electrophotographic photoreceptor according to claim 1 , wherein the cylindrical member has a surface hardness of from 45 HV to 60 HV. 9. The conductive support for an electrophotographic photoreceptor according to claim 1 , wherein the cylindrical member has a surface hardness of from 48 HV to 58 HV. 10. The conductive support for an electrophotographic photoreceptor according to claim 1 , wherein the cylindrical member has a surface hardness of from 50 HV to 55 HV. 11. The conductive support for an electrophotographic photoreceptor according to claim 1 , wherein the cylindrical member is an impact press tube. 12. The conductive support for an electrophotographic photoreceptor according to claim 11 , wherein a thickness of the conductive support is from 0.3 mm to 0.7 mm. 13. The conductive support for an electrophotographic photoreceptor according to claim 11 , wherein a thickness of the conductive support is from 0.35 mm to 0.5 mm. 14. An electrophotographic photoreceptor comprising: the conductive support for an electrophotographic photoreceptor according to claim 1 ; and a photosensitive layer provided on the conductive support for an electrophotographic photoreceptor. 15. A process cartridge comprising the electrophotographic photoreceptor according to claim 14 , wherein the process cartridge is detachable from an image forming apparatus.

Assignees

Inventors

Classifications

  • G03G15/75Primary

    Details relating to xerographic drum, band or plate, e.g. replacing, testing (electrographic recording members per se G03G5/00) · CPC title

  • G03G5/10Primary

    Bases for charge-receiving or other layers · CPC title

  • G03G5/04Primary

    Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor · CPC title

  • consisting of or comprising metals · CPC title

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What does patent US9946174B2 cover?
A conductive support for an electrophotographic photoreceptor includes a cylindrical member containing aluminum, wherein the cylindrical member has an arithmetic mean roughness Ra of 1.3 μm or less, a maximum height of roughness profile Rz of 5.0 μm or less, and a mean width of roughness profile elements RSm in an axial direction of 80 μm to 400 μm.
Who is the assignee on this patent?
Fuji Xerox Co Ltd
What technology area does this patent fall under?
Primary CPC classification G03G15/75. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Apr 17 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).