Patent · US Expired

Toner supply unit and image forming apparatus

US7209689B2 · kind B2 · utility

12Cited by

118References

111Claims

0Family size

Assignee

RICOH COMPANY, LTD. · JP

Inventors

Junichi Matsumoto · Yokohama, JP
Nobuo Kasahara · Yokohama, JP
Nobuo Iwata · Sagamihara, JP
Satoshi Muramatsu · Tokyo, JP
Tomoyuki Ichikawa · Ota, JP
Yoshio Hattori · Yokohama, JP
Tomotoshi Nakahara · Yokohama, JP
Takaaki Yanagisawa · Yokohama, JP
Masumi Sato · Kawagoe, JP
Kouta Fujimori · Kawagoe, JP
Kazuhisa Sudo · Yokohama, JP

Key dates

Filing date	Jul 1, 2003
Grant date	Apr 24, 2007
Priority date	—
Expiry date	Jul 3, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S222/01
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A toner container includes a container body having a mouth-piece member positioned at a mouth of the container body. The mouth-piece member includes an opening to allow toner to be discharged from the container body, a valve configured to seal the opening and which allows a nozzle located at a setting portion of an image forming apparatus to protrude into the valve, and a least two guides provided at opposite sides of the mouth-piece member configured to engage with at least two setting guides at the setting portion of the image forming apparatus.

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