Patent · US Expired

Image formation apparatus and developer collection vessel used therewith

US6937839B2 · kind B2 · utility

6Cited by
6References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 13, 2003
Grant dateAug 30, 2005
Priority date—
Expiry dateFeb 13, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/0106
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A collection vessel 124 has intermediate transfer body collection ports 134 and developing machine collection ports 136. Collected developer occurrence sections placed in intermediate transfer bodies and developing machines are connected to the collection ports 134 and 136. At least two of the collection ports 134 and 136 are formed so that they are arranged in a vertical direction. Collection spaces 148a to 148f to which the collection ports 134 and 136 are connected are separated by partition walls 146, and the collection capacities of the collection spaces 148a to 148f are set according to the heights and shapes of the partition walls 146.

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