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US 8,474,957 B2Granted
Ink tank and recording apparatus
AssigneeCanon Kabushiki Kaisha
InventorsKoichi Kubo, Shogo Kawamura, Tetsuya Ohashi, Ryoji Inoue, Hideki Ogura, Yasuo Kotaki
Life of this patent
Estimating the term…
Abstract
An ink tank includes a stirrer supported in a freely moveable manner near an inner wall of an ink storage chamber. When the stirrer moves closest to the inner wall, a predetermined gap is formed between opposing surfaces of the inner wall and the stirrer.
Claims11
An ink tank comprising:
- an ink storage chamber configured to store an ink;
- an ink supply port facilitating supplying the ink inside the ink storage chamber to the outside of the ink tank;
- a stirrer arranged facing and close to an inner wall of the ink storage chamber and having a first extremity located on the side of the ink supply port and a second extremity located on the opposite side of the first extremity, the stirrer being movable and being shaped as a plate;
- and
- a limiting portion forming a predetermined gap between the first extremity of the stirrer and the inner wall,
- wherein a maximum amount of displacement of the first extremity from the inner wall is larger than a maximum amount of displacement of the second extremity from the inner wall, and the maximum amount of displacement of the second extremity from the inner wall is larger than a height of the limiting portion.
3 more elements
Dependencies are inferred from the claim text.