Cleaning roller and cleaning apparatus

Details Cleaning roller and cleaning apparatus Cleaning roller and cleaning apparatus

1992-02-21

1992-09-15

Grimley, A. T.

Photocopying

Contact printing

Light boxes

G03G 2100

Patent

active

051482274

ABSTRACT:
The present invention provides a cleaning apparatus comprising a cleaning rotary member arranged to be pressed against a movable image bearing member, for removing residual toner on the image bearing member. Cleaning rotary member has a first elastic layer as an outer layer, and a second elastic layer disposed inside of the first elastic layer. Second elastic layer has a volume resistance smaller than that of the first elastic layer. The present invention further provides a cleaning roller comprising a core metal, a conductive layer disposed on the core metal and an insulation layer disposed on the conductive layer.

REFERENCES:
patent: 4181425 (1980-01-01), Higaya et al.
patent: 4253761 (1981-03-01), Takizawa et al.
patent: 4530596 (1985-07-01), Kawamoto et al.
patent: 4674865 (1987-06-01), Tada et al.
patent: 4739370 (1988-04-01), Yoshida et al.
patent: 4823153 (1989-04-01), Coburn
patent: 4959688 (1990-09-01), Koitabashi
patent: 4998143 (1991-03-01), Kumasaka et al.

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