Powder container, powder contained product, powder container...

Details Powder container, powder contained product, powder container... Powder container, powder contained product, powder container...

2007-02-27

2007-02-27

Chen, Sophia S. (Department: 2852)

Electrophotography

Internal machine environment

Particle or contaminant control

C399S106000, C399S262000

Reexamination Certificate

active

11262155

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 1/2≦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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