Waste toner collecting device and image forming apparatus incorporating the same
US7865092B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2008 |
| Grant date | Jan 4, 2011 |
| Priority date | — |
| Expiry date | Apr 24, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/12
- WIPO fieldOptics
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.