Patent · US Active

Image forming apparatus

US7657219B2 · kind B2 · utility

2Cited by
1References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 25, 2006
Grant dateFeb 2, 2010
Priority date
Expiry dateJun 22, 2027

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/00421
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image forming apparatus including: a paper feed cassette; a paper pickup roller; an image forming portion; a fixing unit; a paper discharge portion for discharging paper P with a developer image fused and fixed thereon; and an inversion roller and a paper discharge drive roller for conveying paper P along a paper conveyance path, and is constructed such that guide ribs are provided for a curved portion in a main conveyance path and the first and second curved portions of a sub conveyance path are provided in shapes that will not cause concentration of stress acting on the paper P in abutment.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.