Electrophotography – Image formation – Development
Reexamination Certificate
2006-12-20
2008-11-25
Lee, Susan S (Department: 2852)
Electrophotography
Image formation
Development
C399S260000
Reexamination Certificate
active
07457569
ABSTRACT:
A developer supply cartridge supplies a developer into a process cartridge, and is detachably mountable to a main assembly of an electrophotographic image forming apparatus. The process cartridge includes a drum, a developing roller, a receiving-side shutter portion opening and closing a developer receiving opening, a receiving-side movable portion to move the receiving-side shutter portion, and a regulating member for regulating movement of the receiving-side movable portion. The developer supply cartridge includes a supplying-side developer accommodating portion, a developer supply opening supplying the developer from the supplying-side developer accommodating portion into the process cartridge through the developer receiving opening, a supplying-side shutter portion opening and closing the developer supply opening, and a supplying-side movable portion to open the supplying-side shutter portion when the developer supply cartridge enters the main assembly and the process cartridge is set in the main assembly, by engagement with the receiving-side movable portion.
REFERENCES:
patent: 5266998 (1993-11-01), Lee
patent: 5294963 (1994-03-01), Nakano et al.
patent: 5402216 (1995-03-01), Komaki et al.
patent: 5450178 (1995-09-01), Kawashima et al.
patent: 5671461 (1997-09-01), Ishii
patent: 5734953 (1998-03-01), Tatsumi
patent: 5826150 (1998-10-01), Folkins
patent: 5848516 (1998-12-01), Ban
patent: 5933691 (1999-08-01), Johroku
patent: 6023594 (2000-02-01), Okiyama et al.
patent: 7010250 (2006-03-01), Yahagi
patent: 7283769 (2007-10-01), Noh
patent: 2002/0085857 (2002-07-01), Kim et al.
patent: 1090659 (1994-08-01), None
patent: 0 604 991 (1994-07-01), None
patent: 0 616 268 (1994-09-01), None
patent: 59-5254 (1984-12-01), None
patent: 4-12378 (1992-01-01), None
patent: 5-216344 (1993-08-01), None
patent: 6-222664 (1994-08-01), None
patent: 8-286490 (1996-11-01), None
patent: 9-269639 (1997-10-01), None
Patent Abstracts of Japan, vol. 18, No. 600 (P-1826) Nov. 15, 1994 (JP 06-222664).
Patent Abstracts of Japan, vol. 17, No. 658 (P-1654) Dec. 6, 1993 (JP 05-216344).
Patent Abstracts of Japan, vol. 161, No. 63 (P-1341), Apr. 21, 1992 (JP 4-012378).
Patent Abstracts of Japan, vol. 1998, No. 2, Jan. 30, 1998 (JP 9-269639).
Apr. 26, 2007 Notification of Transmittal, International Search Report, and Written Opinion of International Search Authority for PCT Application No. PCT/JP2007/050541.
Jul. 7, 2006 Notification of First Office Action in Chinese Application No. 2004100015323.
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Lee Susan S
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