Developing device for image forming apparatus

Details Developing device for image forming apparatus Developing device for image forming apparatus

1990-09-19

1991-12-24

Grimley, A. T.

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118653, 355245, G03G 1506

Patent

active

050757270

ABSTRACT:
A developing device includes a casing removably mounted in an image forming apparatus and having a storing chamber in which developer is to be supplied. A package sealing developer therein is housed in the storing chamber. After the device is set in the image forming apparatus, the package is opened by an opening mechanism so as to supply the developer in the package into the storing chamber.

REFERENCES:
patent: 2819738 (1958-01-01), Marberg
patent: 4089601 (1978-05-01), Navone
patent: 4236485 (1980-12-01), Inukai et al.
patent: 4321886 (1982-03-01), Azuma
patent: 4803510 (1989-02-01), Maeda
patent: 4956668 (1990-09-01), Arnold et al.

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