Patent · US Active

Waste toner collecting device and image forming apparatus incorporating the same

US7865092B2 · kind B2 · utility

4Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 9, 2008
Grant dateJan 4, 2011
Priority date
Expiry dateApr 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.