Patent · US Active

Developer accommodating unit, developing device, process cartridge and image forming apparatus

US9207581B2 · kind B2 · utility

64Cited by

30References

22Claims

0Family size

Assignee

Canon Kabushiki Kaisha · JP

Inventors

Koji Wada · Tokyo, JP
Takashi Kase · Tokyo, JP
Takayuki Kanazawa · Soma, JP
Yusuke Usui · Ebeye, US
Masaki Furutani · Tokyo, JP
Kojiro Yasui · Numazu, JP
Hiroomi Matsuzaki · Mishima, JP
Tetsuo Uesugi · Soma, JP
Tatsuo Fujisaki · Yokohama, JP
Masaaki Matsushita · Yokohama, JP
Junichi Matsumura · Numazu, JP

Key dates

Filing date	Jun 2, 2014
Grant date	Dec 8, 2015
Priority date	—
Expiry date	Jun 2, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG03G2215/088
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A developer accommodating unit for accommodating a developer includes: an accommodating portion, provided with an opening, for accommodating the developer; a sealing member for sealing the opening; and an unsealing member rotatable for winding up the sealing member. The sealing member is peelable off from the accommodating portion to unseal the opening in a first unsealing direction and a second unsealing direction opposite to the first unsealing direction.

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