Developer supply container

Details Developer supply container Developer supply container

2006-05-30

2006-05-30

Fulton, Christopher W. (Department: 2859)

Electrophotography

Image formation

Development

C399S258000, C399S260000

Reexamination Certificate

active

07054581

ABSTRACT:
A developer supply container substantially non-rotatably mountable, with a developing device for developing an electrostatic image with a developer, to a rotatable member provided in an image forming apparatus, the developer supply container being adapted to supply a developer into the developing device therefrom with rotation of the rotatable member, the developer supply container includes a container body for containing the developer; a discharging opening, formed in a peripheral surface of the container body, for permitting downward discharge of the developer; a feeding portion, provided on an inside surface of the container body, for feeding the developer in a feeding direction toward the discharge opening with rotation of the rotatable member; and a developer movement constraining portion, provided adjacent a position opposed to a position of the discharge opening on the inside surface of the container body, independently of said feeding portion, for constraining the developer which is reversed into the container body through the discharge opening when the discharge opening faces upward with rotation of the rotatable member, from moving in a direction opposite to the feeding direction.

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patent: 6-102758 (1994-04-01), None
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patent: 8-328346 (1996-12-01), None

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