Electrophotography – Image formation – Development
Patent
1998-04-13
1999-11-02
Beatty, Robert
Electrophotography
Image formation
Development
222409, 222DIG1, G03G 1508
Patent
active
059786329
ABSTRACT:
The invention is characterized by efficiently and quickly loosening an aggregation of toner material formed in a toner cartridge. A toner cartridge has an L-shaped toner agitating member disposed in a main body thereof having a discharge port for feeding toner at the front surface of the main body. Since the toner agitating member is supported so as to pivot like a conical pendulum, a support pin fixed to a bottom surface of the main body passes through a through hole having a greater diameter than that of the support pin. The support pin has an engagement portion attached thereto for prevention of disengagement of the toner agitating member therefrom. A plate-like portion of the toner agitating member defines an agitating plate, a distal end of which extends toward the discharge port of the main body. Shaking the toner cartridge causes the agitating member to rotate about the support pin and to pivot in a direction parallel to the axis of the support pin like a conical pendulum, thereby efficiently loosening the aggregated toner material.
REFERENCES:
patent: 4456364 (1984-06-01), Hatzis
patent: 4696418 (1987-09-01), Kurotaka et al.
patent: 5030997 (1991-07-01), Michlin et al.
patent: 5270785 (1993-12-01), Kita et al.
patent: 5652944 (1997-07-01), Masuda et al.
Ishiguro Yasuyuki
Kimura Takahiko
Saiko Hideji
Sanada Yoshiaki
Sato Eiji
Beatty Robert
Sharp Kabushiki Kaisha
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