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US 7,396,117 B2Granted
Liquid container and liquid ejecting cartridge
AssigneeCanon Kabushiki Kaisha
InventorsHiroki Hayashi, Tatsuo Nanjo, Wataru Takahashi
Life of this patent
Estimating the term…
Abstract
A side rib provided on an inner wall of a housing creates space, which extends to reach an air hole, between a second ink retainer and the inner wall of the housing. A contact area where a first ink retainer and the second ink retainer are in contact with each other is provided with grooves that communicate with the space provided on the inner wall of the housing.
Claims14
A liquid container comprising:
- a liquid retaining member configured to retain a liquid;
- a housing adapted to house the liquid retaining member, the housing including:
- a liquid supply opening configured to supply the liquid in the liquid retaining member to an external member;
- an air intake opening configured to bring air into the housing,
- wherein the liquid retaining member includes a first liquid retaining member capable of being brought into contact with the external member, and a second liquid retaining member contacting with the first liquid retaining member and configured to supply liquid to the first liquid retaining member,
- wherein the first liquid retaining member has a liquid retaining force that is larger than that of the second liquid retaining member;
- a space reaching the air intake opening defined between the second liquid retaining member and at least one of a concave portion and a convex portion of an inner surface of the housing;
- and
- at least one void communicating with the space on the inner surface of the housing is provided within a contact area where the first liquid retaining member and the second liquid retaining member are in contact with each other.
6 more elements
A liquid container comprising:
- a liquid retaining member configured to retain a liquid;
- a housing configured to house the liquid retaining member, the housing including:
- a liquid supply opening configured to supply liquid in the liquid retaining member to an external member;
- an air intake opening configured to bring air into the housing,
- wherein the liquid retaining member includes a first liquid retaining member capable of being brought into contact with the external member, and a second liquid retaining member contacting with the first liquid retaining member and configured to supply liquid to the first liquid retaining member,
- wherein the first liquid retaining member has a liquid retaining force is larger than that of the second liquid retaining member;
- and
- the second liquid retaining member is provided with at least one void extending from a contact area that is in contact with the first liquid retaining member to reach the air intake opening.
5 more elements
Dependencies are inferred from the claim text.