US 9,207,581 B2Granted

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

AssigneeCanon Kabushiki Kaisha

InventorsKoji Wada, Takashi Kase, Takayuki Kanazawa, Yusuke Usui, Masaki Furutani, Kojiro Yasui, Hiroomi Matsuzaki, Tetsuo Uesugi, Tatsuo Fujisaki, Masaaki Matsushita, Junichi Matsumura

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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.

Claims22

Dependent claims

A developer accommodating unit for accommodating developer, said developer accommodating unit comprising:

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 said sealing member,
wherein said sealing member is peelable from said accommodating portion to unseal the opening in a first unsealing direction and a second unsealing direction that is opposite to the first unsealing direction,
wherein the first unsealing direction is a direction from an upstream side of the opening to a downstream side of the opening with respect to a rotational direction of said unsealing member, and
wherein the second unsealing direction is a direction from a downstream side of the opening to an upstream side of the opening with respect to a rotational direction of said unsealing member.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 14/293,450Filed 2 Jun 2014
Priority: JP 2013-1188855 Jun 2013
Published: US 2014/0363196 A111 Dec 2014
Granted: 8 Dec 2015
Term ends: Not estimatedThe source records don’t support an estimate.

Classification9 codes

G03G 15/0898
Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894: for preventing…
G03G 15/0874
Arrangements for supplying new developer: non-rigid containers, e.g. foldable cartridges, bags
G03G 15/0882
Sealing of developer cartridges: by a peelable sealing film
G03G 21/1676
Means for handling parts of the apparatus in the apparatus: for the developer unit