Rotator for powder conveyance and toner cartridge

Details Rotator for powder conveyance and toner cartridge Rotator for powder conveyance and toner cartridge

2011-04-12

2011-04-12

Gray, David M (Department: 2852)

Electrophotography

Image formation

Development

C399S254000, C366S320000

Reexamination Certificate

active

07925189

ABSTRACT:
A rotator for powder conveyance includes a substantially linear rotary supporting shaft and plural stirring/conveying pieces. The plural stirring/conveying pieces are separated from each other and arranged in a longitudinal direction along the rotary supporting shaft, are placed at positions separated from a central axis of the rotary supporting shaft in a radial direction of the rotary supporting shaft, have a spiral configuration along an outer peripheral surface of the rotary supporting shaft, and are respectively connected to the rotary supporting shaft via a connecting piece at plural points.

REFERENCES:
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patent: 4887132 (1989-12-01), Joseph et al.
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patent: 5146277 (1992-09-01), Fox et al.
patent: 6585406 (2003-07-01), Toepper et al.
patent: 7137730 (2006-11-01), Eck et al.
patent: 2005/0123321 (2005-06-01), Buhay-Kettelkamp et al.
patent: 2004-085812 (2004-03-01), None

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