Liquid storage container
AssigneeCanon Kabushiki Kaisha
InventorsKyosuke Nagaoka, Ryoji Inoue, Noriyasu Nagai, Kenta Udagawa, Hideaki Matsumura, Taiji Maruyama
Life of this patent
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Abstract
A liquid storage container includes: a discharge port member including a discharge port through which liquid stored in a storage portion is discharged and a coupling portion in which a male thread portion is arranged on the outside; and a cover portion including a female thread portion on the inside and configured to be attachable to the discharge port member, the female thread portion configured to be screwed to the male thread portion, in which the male thread portion is discontinuous in the coupling portion.
Claims20
An ink storage bottle for replenishing a liquid tank of a liquid ejecting apparatus with ink, the liquid ejecting apparatus configured to eject the liquid, comprising:
- a discharge port portion including a discharge port through which ink stored in a storage portion can be discharged;
- and
- a cover portion configured to be attachable and detachable to the discharge port portion, wherein
- the discharge port portion viewed from a direction in which the cover portion is attached has continuously a first circular arc, a linear portion, and a second circular arc.
An ink storage bottle for replenishing ink to a liquid tank of a liquid ejecting apparatus comprising:
- a discharge port portion including a discharge port through which ink stored in a storage portion can be discharged;
- and
- a cover portion configured to be attachable and detachable to the discharge port portion, wherein
- the discharge port portion viewed from a direction in which the cover portion is attached has continuously a first circular arc, a linear portion, and a second circular arc,
- wherein the cover portion is configured to be attached to the discharge port portion by screwing of a male thread portion of the discharge port portion to a female thread portion of the cover portion, and the male thread portion is discontinuous in the coupling portion in that threads thereof are not continuously formed over the entire outside periphery of the discharge port member and the male thread portions form one helical shape as a whole and are configured such that the male threads are screwed to the female thread in the ca p, and
- wherein the recess portion is provided in the circular arcs.
An ink storage bottle for replenishing a liquid tank of a liquid ejecting apparatus with ink, the liquid ejecting apparatus configured to eject the liquid, comprising:
- a discharge port portion including a discharge port through which ink stored in a storage portion can be discharged;
- and
- a cover portion configured to be attachable and detachable to the discharge port portion, wherein
- the discharge port portion viewed from a direction in which the cover portion is attached has two linear portions and two circular arcs,
- wherein each of the circular arcs has a recess portion recess from a circle corresponding to the circular arcs,
- wherein the recess portions are rotationally symmetric by 180° about a center of the circle.
Dependencies are inferred from the claim text.