Process cartridge and image forming apparatus

Details Process cartridge and image forming apparatus Process cartridge and image forming apparatus

1993-08-10

1995-04-11

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355245, G03G 1500

Patent

active

054063558

ABSTRACT:
There is disclosed a process cartridge exchangeably provided to an image forming apparatus provided with an endless light-sensitive carrier, a mechanism for charging the light-sensitive carrier, a cleaner for cleaning residual toner on the light-sensitive carrier, a cartridge frame installed with at least the light-sensitive carrier, the charging mechanism and the cleaner, the cartridge frame having a fulcrum hole, and wherein a developing unit is detachably provided to the cartridge frame for developing an electrostatic image on the light-sensitive carrier, the developing unit including a developing unit frame having a free fit hole and connection rod freely fitted into the fulcrum hole and as well freely fitted to the free fit hole of the developing unit frame for installing the developing unit to the cartridge frame such that the developing unit is rotatably movable with respect to the cartridge frame.

REFERENCES:
patent: 4505571 (1985-03-01), Kimura et al.
patent: 4924267 (1990-05-01), Yoshikawa et al.
patent: 5027152 (1991-06-01), Oda et al.
patent: 5221943 (1993-06-01), Hasegawa
patent: 5258911 (1993-11-01), Miyake et al.

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