Development unit, process cartridge and image forming apparatus

Details Development unit, process cartridge and image forming apparatus Development unit, process cartridge and image forming apparatus

2011-07-26

2011-07-26

Chen, Sophia S (Department: 2852)

Electrophotography

Internal machine environment

Particle or contaminant control

C399S254000

Reexamination Certificate

active

07986899

ABSTRACT:
A development unit includes a developer accommodating part that accommodates a developer therein, a developer stirring-transporting member that transports the developer in the developer accommodating part while stirring the developer, a bearing part that receives a rotating shaft of the developer stirring-transporting member, a magnetic member that is located between the bearing part and the developer accommodating part and fixed around the rotating shaft, and a stirring member that is spaced apart from the magnetic member so as to be opposed to the magnetic member and that is arranged at the rotating shaft of the developer stirring-transporting member.

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patent: 5742876 (1998-04-01), Bogoshian
patent: 2004/0081480 (2004-04-01), Matsumaru et al.
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patent: 2-64961 (1990-05-01), None
patent: 05-134540 (1993-05-01), None
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patent: 2005-055609 (2005-03-01), None
Machine translation of JP 05-134540 A datedJul. 5, 2010.

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