Electrophotography – Image formation – Development
Reexamination Certificate
2006-02-28
2006-02-28
Tran, Hoan (Department: 2852)
Electrophotography
Image formation
Development
C399S111000, C399S262000
Reexamination Certificate
active
07006777
ABSTRACT:
A toner reservoir includes a toner chamber that holds toner therein, a shaft disposed within the toner chamber, and a rotating body. The shaft has a groove formed in an outer circumferential surface thereof. The groove extends substantially in a first direction in which the shaft extends. The groove has opposing walls that define a tapered width of the groove such that the width becomes wider nearer an end of the shaft. The rotating body has a wall that projects from rotating body in a second direction parallel to the first direction. The wall may be a hollow cylinder having a plurality of grooves that are formed in its inner surface and extend parallel to the shaft. The wall may include a plurality of walls angularly spaced apart and in contact with the shaft to rotatably hold the shaft.
REFERENCES:
patent: 5956556 (1999-09-01), Nakajima et al.
patent: 5991571 (1999-11-01), Yamada et al.
patent: 2000-181224 (2000-06-01), None
Suzuki Masayuki
Tsunoda Arihiro
Akin Gump Strauss Hauer & Feld & LLP
Oki Data Corporation
Tran Hoan
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