Developing apparatus and image forming apparatus having developi

Details Developing apparatus and image forming apparatus having developi Developing apparatus and image forming apparatus having developi

1995-11-16

1997-02-25

Lee, Shuk Yin

Electrophotography

Having particular structure

Modular or displaceable

222DIG1, G03G 1506

Patent

active

056064055

ABSTRACT:
An image forming apparatus includes an apparatus body having a photosensitive drum for carrying an image, a developing unit, provided within the apparatus body, including a developing agent storage unit for storing a developing agent and a developing roller for supplying the developing agent in the developing agent storage unit to the photosensitive drum, a driving gear, provided detachably to the developing roller of the developing unit, for driving the developing roller when the driving gear is connected to the developing roller, and a rigid shield member, attached removably in the developing unit, for separating the developing agent storage unit from the developing roller in the developing unit and separating the developing roller from the driving gear when the shield member is attached, and for making the developing agent storage unit communicate with the developing roller and connecting the developing roller and the driving gear when the shield member is removed.

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patent: 5148223 (1992-09-01), Cipolla
patent: 5150807 (1992-09-01), Seyfried et al.
patent: 5296902 (1994-03-01), Michlin

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