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US 2012/0070193 A1Published application
Charging member, process unit cartridge, and image forming apparatus
AssigneeFuji Xerox Co., Ltd.
InventorsMinoru ROKUTAN, Shogo TOMARI
Life of this patent
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Abstract
A charging member includes a conductive metal shaft and a conductive elastic layer. The conductive elastic layer comprises a rubber material containing 50% to 100% by weight of epichlorohydrin rubber containing 56 mol % or more of an ethylene oxide and a calcium oxide having an average particle size D50 of 18 μm or smaller.
Claims9
A charging member comprising:
- a conductive metal shaft;
- and
- a conductive elastic layer on the shaft,
- wherein the conductive elastic layer comprises:
- a rubber material;
- and
- a calcium oxide having an average particle size D50 of 18 μm or smaller, and
- wherein the rubber material contains 50% to 100% by weight of epichlorohydrin rubber containing 56 mol % or more of an ethylene oxide.
5 more elements
Dependencies are inferred from the claim text.