Electrophotography – Image formation – Development
Patent
1996-12-09
1998-02-24
Smith, Matthew S.
Electrophotography
Image formation
Development
222DIG1, 399120, G03G 1508
Patent
active
057220204
ABSTRACT:
The image forming apparatus includes: a developing device to develop an image by using developer; a developer container portion to supply the developer to the developing device; a developer cartridge which is attachable to or detachable from the developer container portion; and a driving means to rotate the developer cartridge. The developer cartridge further includes the following: a) a cartridge main body having a shape which facilitates movement of the developer toward a developer supply port by being rotated around a rotation axis by the driving means; b) a developer supply portion having the developer supply port to supply the developer to the image forming apparatus; and c) an opening/closing covering member to open and close the developer supply port. The opening/closing covering member includes an engagement member to connect the developer supply port with the opening/closing covering member so that the engagement member positions the opening/closing covering member at an opened state of the developer supply port when the developer cartridge is mounted in the image forming apparatus and the developer cartridge is rotated around the rotation axis.
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European Search Report EP 96 11 9762 with Annex.
Fujii Yozo
Ikunami Yoshikazu
Matsuoka Isao
Bierman Jordan B.
Konica Corporation
Smith Matthew S.
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