Electrophotography – Image formation – Development
Reexamination Certificate
2006-02-14
2006-02-14
Chen, Sophia S. (Department: 2852)
Electrophotography
Image formation
Development
C222SDIG001, C399S106000, C399S120000, C430S110300
Reexamination Certificate
active
06999705
ABSTRACT:
A toner container for supplying and/or replenishing toner into a development apparatus of image forming apparatus, by being engaged with the rotation transfer member of the development apparatus and being rotated about a center axis of the toner container integrally with the rotation transfer member. The toner container is structured with a cylindrical body having a toner outlet on one end of the cylindrical body, nearby a center axis of the cylindrical body, a convex spiral flute formed on the inner periphery of the cylindrical body, and a concave spiral flute formed on the outer periphery of the cylindrical body, wherein a ratio L/D of length L to diameter D of the cylindrical body is in a range of ½≦L/D≦10, a thickness of the cylindrical body t is 0.3 mm≦t≦5.0 mm; and a thickness deviation of the cylindrical body is Δt≦20%.
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Nakanishi Tatsuo
Toyoizumi Yoshihiko
Yoshino Masahiro
Chen Sophia S.
Konica Corporation
Konica Minolta Business Technologies Inc.
Squire Sanders & Dempsey L.L.P.
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