Charging member, manufacturing method therefor, and electrophotographic apparatus

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United States of America Patent

PATENT NO 8923732
SERIAL NO

13695781

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Abstract

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Provided is a charging member capable of suppressing occurrence of compression set while having flexibility enough to ensure a nip with a photosensitive member. The charging member comprises a support and an elastic layer, wherein the elastic layer has an MD-1 hardness of from 55 to 85° at the surface thereof, and has a universal hardness of 2.0 to 20.0 N/mm2 at an indentation depth of 5 μm from the surface thereof.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harada, Masaaki Yokohama, JP 62 753
Nose, Keiji Suntou-gun, JP 17 304
Watanabe, Hiroaki Odawara, JP 175 1977

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