Patent · US Expired

Developer container and cartridge

US6334035A · kind A · utility

65Cited by

37References

48Claims

0Family size

Assignee

Canon Kabushiki Kaisha · JP

Inventors

Daisuke Abe · Iitate, JP
Tadayuki Tsuda · Susono, JP
Yoshiyuki Batori · Mishima, JP
Takao Nakagawa · Kawasaki, JP

Key dates

Filing date	Feb 17, 2000
Grant date	Dec 25, 2001
Priority date	—
Expiry date	Feb 17, 2020

Classification

Technology area (CPC G)Physics
CPC primaryG03G2221/183
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A developer container which has a container main body includes an opening through which a developer is supplied, a seal member for unsealably sealing the opening, and a drive source for applying a force for unsealing the seal member. The drive source has an elastic member and the drive source applies the unsealing force using a restoring force of the elastic member.

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