Electrophotography – Image formation – Development
Reexamination Certificate
2007-03-20
2007-03-20
Ngo, Hoang (Department: 2852)
Electrophotography
Image formation
Development
C222SDIG001, C399S106000, C399S111000, C399S119000, C399S120000, C399S262000
Reexamination Certificate
active
11097134
ABSTRACT:
A developer receiving unit receives developer from a discharging unit. The developer receiving unit includes a path through which the developer is received from the developer discharging unit, the path adapted to expand and contract in length. The developer-receiving unit moves into sealed engagement with the developer-discharging unit so that the developer-receiving unit communicates with the developer-discharging unit through the path. An urging member urges the path in such a direction as to expand in length. An opening-and-closing member receives a drive force from the developer-discharging unit when the developer-discharging unit pushes the developer receiving unit, the drive force acting on the opening-and-closing member in such a way that the opening-and-closing member causes the path to open. The opening-and-closing member opens the path only after the developer discharging unit moves into sealed engagement with the developer receiving unit.
REFERENCES:
patent: 5621507 (1997-04-01), Nishimura et al.
patent: 6266511 (2001-07-01), Murakami et al.
patent: 6438345 (2002-08-01), Ban et al.
patent: 6968147 (2005-11-01), Matsuda et al.
patent: 10-123866 (1998-05-01), None
patent: 2000-284660 (2000-10-01), None
patent: 2004-085894 (2004-03-01), None
Ngo Hoang
Oki Data Corporation
Rabin & Berdo PC
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