Charging member, charging device, process cartridge and image fo

Details Charging member, charging device, process cartridge and image fo Charging member, charging device, process cartridge and image fo

1993-02-16

1995-02-14

Smith, Matthew S.

Photocopying

Contact printing

Light boxes

361221, 361225, G03G 1502

Patent

active

053900073

ABSTRACT:
A charging member contactable to a member to be charged to electrically charge it includes a sponge layer; a coating layer disposed between the sponge layer and the member to be charged; wherein a cell diameter in a surface of the sponge layer coated with the coating layer is not more than 200 microns.

REFERENCES:
patent: 3789278 (1974-01-01), Bingham et al.
patent: 3832055 (1974-08-01), Hamaker
patent: 3845951 (1974-11-01), Hamaker
patent: 4066352 (1978-01-01), Kameda et al.
patent: 4309803 (1982-01-01), Blaszak
patent: 4444864 (1984-04-01), Takahashi
patent: 5038174 (1991-08-01), Kato et al.
patent: 5068691 (1991-11-01), Nishio et al.
patent: 5229813 (1993-07-01), Cherian
patent: 5241343 (1993-08-01), Nishio
patent: 5243387 (1993-09-01), Ikegawa

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