Electrophotography – Document handling
Reexamination Certificate
2006-06-06
2006-06-06
Grainger, Quana (Department: 2852)
Electrophotography
Document handling
C399S274000, C399S284000
Reexamination Certificate
active
07058349
ABSTRACT:
A development unit including: (a) a developer storage storing a developer; (b) a developer receiver disposed in an end portion of the developer storage and having a depository surface on which the developer is to be deposited; and (c) a regulator including a contact portion held in pressing contact with the depository surface of the developer receiver so as to regulate a thickness of the developer deposited on the surface of the developer receiver The regulator farther includes a base portion contiguous to the contact portion and extending from the contact portion in a direction toward the other end portion of the developer storage. An acute angle is defined by a base-portion plane on which the base portion of the regulator lies and a tangential plane which is tangent, at a contact portion of the depository surface held in contact with the contact portion of the regulator, to the depository surface. Also disclosed are an image forming apparatus including the above-described development unit, and a method of manufacturing the above-described development unit.
REFERENCES:
patent: 5867758 (1999-02-01), Yoshida et al.
patent: 04355777 (1992-12-01), None
patent: A 5-72878 (1993-03-01), None
patent: 06067520 (1994-03-01), None
patent: A 8-30102 (1996-02-01), None
patent: 09050181 (1997-02-01), None
patent: A 10-333429 (1998-12-01), None
Brother Kogyo Kabushiki Kaisha
Grainger Quana
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