Process cartridge having air flow path

Details Process cartridge having air flow path Process cartridge having air flow path

1999-06-24

2000-10-31

Beatty, Robert

Electrophotography

Internal machine environment

Forced air circulation

G03G 2120

Patent

active

06141512&

ABSTRACT:
A process cartridge detachably mounted to an image forming apparatus includes a frame, an image bearing member, a cleaning portion provided between the frame and the image bearing member, an inner wall provided between the frame and the cleaning portion, a first opening portion provided between the frame and the inner wall at an upper part of the process cartridge, and a second opening portion provided between the frame and the inner wall at a lower part of the process cartridge. A cartidge air flow will be created by moving air from the second to the first openings. In addition, a main body air flow is created adjacent the cartidge air flow.

REFERENCES:
patent: 4540268 (1985-09-01), Toyono et al
patent: 4693588 (1987-09-01), Yarbrough et al.
patent: 4891678 (1990-01-01), Ishizu et al.
patent: 5307132 (1994-04-01), Tsuchiya
patent: 5471280 (1995-11-01), Taguchi
patent: 5479242 (1995-12-01), Sato et al.
patent: 5878304 (1999-03-01), Watanabe et al.
Patent Abstracts of Japan, vol. 1997, published Aug. 29, 1997, English Abstract of JP 09-106239.

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