Developer container and method for filling the same

Details Developer container and method for filling the same Developer container and method for filling the same

2011-01-11

2011-01-11

Gray, David M (Department: 2852)

Electrophotography

Image formation

Development

C399S256000, C399S262000

Reexamination Certificate

active

07869747

ABSTRACT:
A developer container includes: a container chamber that has a container space for containing a developer; and an conveyance member having a rotation shaft and a spiral member and which rotates inside the container space about the rotation shaft, the spiral member being spirally extended to hold a first angle to an axial direction of the rotation shaft, and the spiral member being provided with a plurality of low-angle portions, wherein at least one of the low-angle portions is provided in each unit segment which is equivalent to one turn of the spiral member about the rotation shaft, and an amount of a developer contained in the container space is enough to constantly bury any of the plurality of low-angle portions in the developer under a condition that the axial direction of the rotation shaft is held to be horizontal inside the container space.

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Office Action dated Feb. 9, 2010, in Japanese appln. No. 2007-306096.
Office Action dated Jan. 29, 2010, in Australian appln. No. 2008202180.

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