Granted Patent B2

US 12,459,268 · App. 18/513,138 · Granted Nov 4, 2025

Inventors: Atsushi Omura (Kanagawa, JP); Hiroki Hayashi (Kanagawa, JP)

Assignee: Canon Kabushiki Kaisha

B41J2/17513B41J2/17509B41J2/17553B41J2002/17516

Abstract

Claims (33)

1 . A liquid ejection device comprising:

an ejection head configured to eject a liquid;

a first storage container configured to store the liquid to be supplied to the ejection head; and

a second storage container attachable to and detachable from the liquid ejection device and can be connectable with the first storage container, the second storage container including a storage space for containing the liquid to be supplied to the first storage container,

wherein the first storage container includes a contact portion that comes into contact with the second storage container in a state where the first storage container is connected with the second storage container,

wherein the contact portion deforms the second storage container so as to decrease a volume of the storage space of the second storage container in a process of connecting the second storage container to the first storage container,

wherein the second storage container includes an exterior portion forming the storage space, and

wherein the contact portion comes into contact with and deforms the exterior portion so as to squash a part of the exterior portion.

2 . The liquid ejection device according to claim 1 , wherein the exterior portion includes an elastic deforming portion configured to be squashed when the exterior portion comes into contact with the contact portion, and the elastic deforming portion is configured to restore in a case where the second storage container is detached from the liquid ejection device.

3 . The liquid ejection device according to claim 1 , further comprising a supply path forming portion that forms a supply path of the liquid, the supply path continues from the first storage container to the second storage container,

wherein the contact portion is configured to come into contact with the second storage container after the supply path forming portion is connected to the second storage container in a case where the second storage container is attached to the liquid ejection device.

4 . The liquid ejection device according to claim 1 , further comprising:

a third storage container configured to store the liquid to be supplied to the ejection head; and

a fourth storage container configured to be connectable to and disconnectable from the third storage container, the fourth storage container configured to store the liquid to be supplied to the third storage container,

wherein the second storage container includes an engagement target portion that engages with an engagement portion of the first storage container in a case where the second storage container is connected to the first storage container, and

wherein the engagement portion of the first storage container is configured to interfere with the fourth storage container in a case where the fourth storage container is to be connected to the first storage container.

5 . The liquid ejection device according to claim 1 , wherein the contact portion is an exterior portion of the first storage container.

6 . The liquid ejection device according to claim 1 , further comprising a fixing portion that fixes the second storage container to the liquid ejection device in a case where the second storage container is attached to the liquid ejection device.

7 . The liquid ejection device according to claim 1 ,

wherein the first storage container is a tank configured to store the liquid, and

wherein the second storage container is a cartridge configured to be attachable to and detachable from the liquid ejection device.

8 . A liquid ejection device comprising:

an ejection head configured to eject a liquid;

a first storage container configured to store the liquid to be supplied to the ejection head; and

a second storage container attachable to and detachable from the liquid ejection device and can be connectable with the first storage container, the second storage container including a storage space for containing the liquid to be supplied to the first storage container,

wherein the first storage container includes a contact portion that comes into contact with the second storage container in a state where the first storage container is connected with the second storage container,

wherein the contact portion deforms the second storage container so as to decrease a volume of the storage space of the second storage container in a process of connecting the second storage container to the first storage container,

wherein the second storage container includes an exterior portion forming the storage space and an opening of the storage space, and a syringe portion that is configured to be movable with respect to the exterior portion in a state of closing the opening,

wherein a part of the syringe portion is located outside the storage space, and

wherein the contact portion comes into contact with the syringe portion to move the syringe portion such that the syringe portion enters inside the storage space.

9 . The liquid ejection device according to claim 8 , wherein the second storage container further includes a biasing member that biases the syringe portion in a direction of pushing the syringe portion to an outside of the exterior portion.

10 . The liquid ejection device according to claim 8 , further comprising a supply path forming portion that forms a supply path of the liquid, the supply path continues from the first storage container to the second storage container,

wherein the contact portion is configured to come into contact with the syringe portion after the supply path forming portion is connected to the second storage container in a case where the second storage container is attached to the liquid ejection device.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (24)