Development apparatus

Details Development apparatus Development apparatus

2007-02-21

2010-02-16

Gray, David M (Department: 2852)

Electrophotography

Image formation

Development

C399S224000, C399S258000

Reexamination Certificate

active

07664435

ABSTRACT:
There is provided a development apparatus including a plurality of replenishment developer containers which accommodates a replenishment developer containing a toner to be replenished to a plurality of development devices, a plurality of replenishment developer conveyance paths which replenishes the replenishment developer in the plurality of replenishment developer containers to the plurality of development devices, a plurality of conveyance members provided in the plurality of replenishment developer conveyance paths, wherein a length of at least one conveyance path, of the plurality of replenishment developer conveyance paths, is different from that of other conveyance paths, and cohesion degree of a replenishment developer conveyed by the longest conveyance path, of the plurality of replenishment conveyance paths, is lower than cohesion degree of the replenishment developer conveyed by other conveyance paths.

REFERENCES:
patent: 4622916 (1986-11-01), Tanaka et al.
patent: 6291123 (2001-09-01), Ohno et al.
patent: 6542707 (2003-04-01), Muramatsu et al.
patent: 2003/0198484 (2003-10-01), Chigono et al.
patent: 63177171 (1988-07-01), None
patent: 5-224530 (1993-09-01), None

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