Patent ID: 11912036
Assignee: CANON KABUSHIKI KAISHA
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 15:
16. A printing apparatus comprising:
a print head configured to eject ink; and
an ink tank configured to store ink to be supplied to the print head, including:
a tank container including:
(i) a first chamber configured to store ink therein, the first chamber having a first opening on a first outer surface of the tank container and a first sidewall on a second outer surface of the tank container, the second outer surface being opposite to the first outer surface,
(ii) an injection port, detachably capped by a tank cap, configured allow the ink to be injected into the first chamber, and
(iii) a second chamber configured to store air therein, the second chamber having a second opening on a second outer surface and a second sidewall on the first outer surface,

a first cover configured to cover the first opening and not to cover the second opening, and
a second cover configured to cover the second opening and not to cover the first opening.