Toner carrying device and image forming apparatus

Details Toner carrying device and image forming apparatus Toner carrying device and image forming apparatus

2008-11-07

2011-12-13

Gray, David (Department: 2852)

Electrophotography

Image formation

Development

C399S120000, C399S260000, C399S262000

Reexamination Certificate

active

08078087

ABSTRACT:
A toner carrying device includes a flexible sheet, and a sheet moving mechanism for allowing the flexible sheet to move back and forth by pulling the flexible sheet. In the flexible sheet, a toner passage hole for leaving a first opening section of a toner carrying pipe to open is provided. In a case where the toner passage hole is divided into first through three areas in such a manner that (i) the first area is provided on a side of one end of the flexible sheet in a direction orthogonal to a moving direction of the flexible sheet; (ii) the second area is provided on a side of the other end of the flexible sheet in the direction orthogonal to the moving direction; and (iii) the third area is provided between the first area and the second area, the third area extends broader in the moving direction than respective of the first and second areas. This allows the flexible sheet partially having the toner passage hole in its area to move smoothly.

REFERENCES:
patent: 7668489 (2010-02-01), Kim et al.
patent: 2006/0062601 (2006-03-01), Jeong
patent: 2006/0078355 (2006-04-01), Yahagi
patent: 2007/0237551 (2007-10-01), Kawai
patent: 09-230684 (1997-09-01), None
patent: 11-143202 (1999-05-01), None
patent: 2009258480 (2009-11-01), None
patent: 2010054755 (2010-03-01), None

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