Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate
2009-03-18
2011-12-06
Beatty, Robert (Department: 2852)
Electrophotography
Internal machine environment
Particle or contaminant control
Reexamination Certificate
active
08073357
ABSTRACT:
A developer cartridge includes a first frame and a second frame that confronts the first frame. The second frame includes an opening, through which developer is passed, and which is openable and closable by the first frame in accordance with a relative movement between the second frame and the first frame, a seal member, which is provided around the opening for preventing leakage of the developer from the opening, and which comprises a seal side confronting portion confronting the first frame when the second frame moves relative to the first frame, and a protection member, which has an elastic modulus higher than an elastic modulus of the seal member, and which is provided between the seal side confronting portion of the seal member and the first frame for protecting the seal member.
REFERENCES:
patent: 5548384 (1996-08-01), Weed
patent: 5722019 (1998-02-01), Nakajima
patent: 5890034 (1999-03-01), Nakano et al.
patent: 6438345 (2002-08-01), Ban et al.
patent: 2007/0104505 (2007-05-01), Murakami et al.
patent: 2007/0223963 (2007-09-01), Suzuki et al.
patent: 2007/0223964 (2007-09-01), Takagi
patent: 2007/0223965 (2007-09-01), Takagi
patent: 2007/0223971 (2007-09-01), Takagi
patent: 2008/0267658 (2008-10-01), Takagi et al.
patent: 2009/0087215 (2009-04-01), Sakuma
patent: 2009/0087216 (2009-04-01), Sakuma
patent: 2009/0245855 (2009-10-01), Sakuma
patent: 1269533 (2000-10-01), None
patent: 2000-347493 (2000-12-01), None
patent: 2001-194884 (2001-07-01), None
patent: 2001-331026 (2001-11-01), None
patent: 2007-072234 (2007-03-01), None
patent: 2007-101705 (2007-04-01), None
patent: 2007-293268 (2007-11-01), None
JP Office Action dtd Feb. 23, 2010, JP Appln. 2008-082966, English Translation.
CN Office Action dtd Jan. 25, 2011, CN Appln. 200910127941.0, English translation.
Banner & Witcoff , Ltd.
Beatty Robert
Brother Kogyo Kabushiki Kaisha
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