Patent · US Expired

Toner cartridge

US6766135B2 · kind B2 · utility

20Cited by

5References

7Claims

0Family size

Inventors

Jui-Chi Wang · Taichung, TW
Robin Hsu · Zhuolan Township, TW
Ya-Li Huang · Zhuolan Township, TW
Li Kuan Tung · Taichung, TW

Key dates

Filing date	Apr 22, 2002
Grant date	Jul 20, 2004
Priority date	—
Expiry date	Jul 5, 2022

Classification

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

Abstract

A toner cartridge is constructed to include a container for accommodating toner, the container having a filling hole portion disposed at one end for filling of toner into the container and a barrel with a discharging hole at an opposite end for output of toner to a toner-receiving container in the image forming system in which the toner cartridge is installed, a strippable seal attached to the barrel to seal the discharging hole, and a stopper coupled to the barrel and moved to close/open the discharging hole after removal of the seal from the barrel.

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