Development apparatus including a first developer member...

Electrophotography – Image formation – Development

Reexamination Certificate

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Reexamination Certificate

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07917069

ABSTRACT:
A development apparatus includes a first base member which bears and conveys a developer and which develops an electrostatic image in a first developing region, a restriction member which restricts a layer thickness of the developer borne by the first basemember, and a second base member which bears and conveys the developer received from the first basemember, and which develops the electrostatic image in a second developing region, the first base member is made of pure aluminum or aluminum alloy, and the second base member is made of stainless steel.

REFERENCES:
patent: 6973281 (2005-12-01), Hirobe et al.
patent: 6975825 (2005-12-01), Sakamaki et al.
patent: 6978108 (2005-12-01), Sakamaki
patent: 7099609 (2006-08-01), Hirobe et al.
patent: 2004/0037594 (2004-02-01), Sakamaki et al.
patent: 2006/0222416 (2006-10-01), Kurogawa et al.
patent: 2007/0053725 (2007-03-01), Sakamaki et al.
patent: 2007/0231018 (2007-10-01), Kumar et al.
patent: 1474238 (2004-02-01), None
patent: 1507583 (2004-06-01), None
patent: 9-106188 (1997-04-01), None
patent: 2699968 (1997-09-01), None
Notification of the Second Office Action dated Jan. 29, 2010, in counterpart Chinese Application No. 200810004470.X.

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