Photoconductor, image-forming apparatus, and cartridge

Patent metadata

Field	Value
Publication number	US-9535344-B2
Application number	US-201514974463-A
Country	US
Kind code	B2
Filing date	Dec 18, 2015
Priority date	Dec 26, 2014
Publication date	Jan 3, 2017
Grant date	Jan 3, 2017

Abstract

A photoconductor is used for an image-forming apparatus, and the photoconductor has a surface including irregularities having an arithmetic average roughness of 0.1 μm or more and 0.5 μm or less in a cycle length from 867 to 1,654 μm.

First claim

What is claimed is:

1. A photoconductor for use in an image-forming apparatus, the photoconductor comprising:
a charge transport layer formed as an outer surface of the photoconductor, the charge transport layer including irregularities having an arithmetic average roughness of 0.1 μm or more and 0.5 μm or less in a cycle length from 867 to 1,654 μm,
wherein the charge transport layer contains a thermoplastic resin.

2. The photoconductor according to claim 1 , wherein
the charge transport layer further contains a filler,
the filler has an average particle dimeter of 0.3 μm or more and 3 μm or less, and
an additive amount of the filler is from 3 to 10% relative to the thermoplastic resin contained in the charge transport layer.

3. The photoconductor according to claim 1 , wherein the irregularities correspond to frequency components obtained by wavelet transformation.

4. The photoconductor according to claim 3 , wherein the wavelet transformation obtains the frequency components of 4 or more and 8 or less.

5. An image-forming apparatus comprising:
a photoconductor; and
a charge transport layer formed as an outer a surface of the photoconductor, the charge transport layer including irregularities having an arithmetic average roughness of 0.1 μm or more and 0.5 μm or less in a cycle length from 867 to 1,654 μm,
wherein the charge transport layer contains a thermoplastic resin.

6. A cartridge comprising:
a photoconductor; and
a charge transport layer formed as an outer surface of the photoconductor, the charge transport layer including irregularities having an arithmetic average roughness of 0.1 μm or more and 0.5 μm or less in a cycle length from 867 to 1,654 μm,
wherein the charge transport layer contains a thermoplastic resin.

7. The photoconductor according to claim 1 , further comprising:
a conductive supporting body positioned below the charge transport layer.

8. The photoconductor according to claim 7 , further comprising:
an intermediate layer positioned between the conductive supporting body and the charge transport layer.

9. The photoconductor according to claim 8 , further comprising:
a charge generation layer positioned between the charge transport layer and the intermediate layer.

Assignees

• Toriu Noboru
• Nakamura Hideki
• Uchida Tadayoshi
• Orii Hiroki
• Ricoh Co Ltd

Inventors

• Toriu Noboru
• Nakamura Hideki
• Uchida Tadayoshi
• Orii Hiroki

Classifications

• G03G5/04 Primary

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

• G03G5/147

  Cover layers · CPC title

• G03G5/0507

  Inorganic compounds · CPC title

• G03G5/05

  Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers · CPC title

• G03G5/14704

  comprising inorganic material · CPC title