Particle discharge apparatus and image forming apparatus

Details Particle discharge apparatus and image forming apparatus Particle discharge apparatus and image forming apparatus

2007-08-28

2007-08-28

Gray, David M. (Department: 2852)

Electrophotography

Image formation

Development

Reexamination Certificate

active

11079185

ABSTRACT:
A particle discharge apparatus includes cylindrical particle discharge unit(s) having toner dispensing outlet(s) provided at upper portion(s) on one side of particle discharge unit(s), and particle discharge outlet(s) provided at lower portion(s) on the other side of particle discharge unit(s); and conveyor screw(s), provided at the interior of particle discharge unit(s), having rotatable shaft(s) and helical conveyor vane(s) secured to rotatable shaft(s). The conveyor vane(s) is/are divided into first vane segment(s) and second vane segment(s); and wherein there is/are vaneless region(s), where no portion of conveyor vane(s) is present, between first vane segment(s) and second vane segment(s).

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patent: 2002-278244 (2002-09-01), None

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