Electrophotography – Diagnostics – Unit or part identification
Reexamination Certificate
2006-10-03
2006-10-03
Ngo, Hoang (Department: 2852)
Electrophotography
Diagnostics
Unit or part identification
C399S013000, C399S111000, C399S119000, C399S120000
Reexamination Certificate
active
07116919
ABSTRACT:
A developing cartridge removably set in a laser printer includes a drive gear that inputs a drive force thereto, a detection gear that irreversibly moves from a unused position where the detection gear does not engage with the drive gear, to a used position where the detection gear does not engage with the drive gear, through a drive force transmitting position where the detection gear engages with the drive gear, and a contact member formed on the detection gear. Provided in a main frame of the laser printer is an actuator that moves the detection gear from the unused position to the drive force transmitting position as the contact member contacts the actuator when the developing cartridge is set in the main frame of the laser printer.
REFERENCES:
patent: 5038173 (1991-08-01), Kusumoto
patent: 5053816 (1991-10-01), Takahashi
patent: 5325157 (1994-06-01), Takano
patent: 6298202 (2001-10-01), Fushiya et al.
patent: 0 577 416 (1994-01-01), None
patent: 3-279965 (1991-12-01), None
patent: A 3-279965 (1991-12-01), None
patent: A 2003-107976 (2003-04-01), None
Brother Kogyo Kabushiki Kaisha
Ngo Hoang
Oliff & Berridg,e PLC
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