Waste toner collecting device and image forming apparatus...

Details Waste toner collecting device and image forming apparatus... Waste toner collecting device and image forming apparatus...

2011-01-04

2011-01-04

Gray, David M (Department: 2852)

Electrophotography

Diagnostics

Cleaning

C399S071000, C399S358000, C399S360000

Reexamination Certificate

active

07865092

ABSTRACT:
A waste toner collecting device includes: a tubular member provided with a toner inlet and a toner outlet; a roller that is provided upstream of the toner outlet in a toner transport direction inside the tubular member, that has a substantially horizontal rotation axis line, and that is elliptical in vertical section; a scraper that is provided on an inner wall of the tubular member on a downstream side of the toner outlet in a rotation direction of the roller, an edge of the scraper being in contact with the roller; and a waste toner collecting bag that is inflatable and is attached to the toner outlet of the tubular member.

REFERENCES:
patent: 4610534 (1986-09-01), Ito et al.
patent: 5848342 (1998-12-01), Tanda
patent: 7103308 (2006-09-01), Wakana
patent: 7596337 (2009-09-01), Sato
patent: 7725070 (2010-05-01), Fukunaga et al.
patent: 10-161501 (1998-06-01), None

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