Liquid container and liquid ejection apparatus
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B41J-002/175
B41J-029/13
출원번호
US-0489437
(2017-04-17)
등록번호
US-10112403
(2018-10-30)
우선권정보
JP-2016-086465 (2016-04-22)
발명자
/ 주소
Ikebe, Norihiro
Shimamura, Ryo
Shiba, Akira
Yoshii, Kazuya
Miyashita, Takeho
Yamamuro, Tomoki
Arai, Atsushi
Ohira, Masatoshi
Orihara, Tatsuaki
Okuhara, Hirofumi
Matsushita, Kazumasa
Furuya, Misato
출원인 / 주소
CANON KABUSHIKI KAISHA
대리인 / 주소
Fitzpatrick, Cella, Harper & Scinto
인용정보
피인용 횟수 :
0인용 특허 :
40
초록▼
There are provided a liquid container including a plug member which prevents leakage of a liquid from the liquid container and can be opened without scattering the liquid and a liquid ejection apparatus including the liquid container. For that purpose, a projecting portion in the plug member is prov
There are provided a liquid container including a plug member which prevents leakage of a liquid from the liquid container and can be opened without scattering the liquid and a liquid ejection apparatus including the liquid container. For that purpose, a projecting portion in the plug member is provided below a center part of the plug member in a gravity direction in an attitude at the time of use of the liquid ejection apparatus.
대표청구항▼
1. A liquid container comprising a containing chamber configured to contain a liquid, a supply port constructed for supply of the liquid into the containing chamber, and a cover member detachably attached to the supply port, wherein the cover member includes a body portion located outside of the con
1. A liquid container comprising a containing chamber configured to contain a liquid, a supply port constructed for supply of the liquid into the containing chamber, and a cover member detachably attached to the supply port, wherein the cover member includes a body portion located outside of the containing chamber and the supply port in a first state attached to the supply port;the body portion includes a covering portion covering an opening surface of the supply port in the first state of the cover member, the body portion further including a support portion constructed for connecting the covering portion with another member in a second state of the cover member removed from the supply port, and a projecting portion projecting from the covering portion; andin an attitude of the liquid container in a case where the cover member is to be removed from the supply port, the projecting portion projects only from below a gravity center of the covering portion in a gravity direction seen from a direction orthogonal to the opening surface in the first state of the cover member. 2. The liquid container according to claim 1, wherein in the attitude of the liquid container, the cover member has a shape which prevents attachment in a vertically reverse direction in the gravity direction. 3. The liquid container according to claim 1, wherein in the attitude of the liquid container, the support portion is disposed above the gravity center in the gravity direction in the first state of the cover member. 4. The liquid container according to claim 1, wherein the support portion is formed integrally with the covering portion. 5. The liquid container according to claim 1, wherein the support portion is formed separately from the covering portion. 6. The liquid container according to claim 1, wherein the projecting portion has a friction force increasing portion configured to increase a friction force upon contact provided on a lower surface part in the gravity direction in the attitude of the liquid container. 7. The liquid container according to claim 1, wherein the projecting portion protrudes from an upper surface along the opening surface of the covering portion in the first state of the cover member. 8. The liquid container according to claim 7, wherein the projecting portion is provided with a predetermined sharp angle relative to the upper surface of the covering portion so that a tip end portion is directed upward in the gravity direction in the attitude of the liquid container. 9. The liquid container according to claim 1, wherein the projecting portion protrudes from a side surface substantially orthogonal to the opening surface of the covering portion in the first state of the cover member. 10. The liquid container according to claim 1, wherein the cover member includes a plug portion inserted into the supply port to close the supply port, a protruding portion is provided on the plug portion, and the supply port is closed by the protruding portion. 11. The liquid container according to claim 1, wherein the projecting portion is a unit configured to facilitate attachment/detachment of the cover member. 12. The liquid container according to claim 1, wherein the projecting portion does not project from the gravity center of the covering portion. 13. The liquid container according to claim 1, wherein in the attitude of the liquid container, the opening surface is not orthogonal to the gravity direction. 14. A liquid ejection apparatus comprising: a liquid ejection head that ejects liquid;a liquid container including a containing chamber configured to contain a liquid supplied to the liquid ejection head and a supply port constructed for supply of the liquid to the containing chamber from an outside; anda cover member detachably attached to the supply port, whereinthe cover member includes a body portion located outside of the containing chamber and the supply port in a first state attached to the supply port;the body portion includes a covering portion covering an opening surface of the supply port in the first state of the cover member, the body portion further including a support portion constructed for connecting the covering portion with another member in a second state of the cover member removed from the supply port, and a projecting portion projecting from the covering portion; andin an attitude of the liquid container in a case where the cover member is to be removed from the supply port, the projecting portion projects only from below a gravity center of the covering portion in a gravity direction seen from a direction orthogonal to the opening surface in the first state of the cover member. 15. The liquid ejection apparatus according to claim 14, wherein in the attitude of the liquid container, the support portion is disposed above the gravity center in the gravity direction in the first state of the cover member. 16. The liquid ejection apparatus according to claim 14, wherein the projecting portion has a friction force increasing portion configured to increase a friction force upon contact provided on a lower surface part in the gravity direction in the attitude of the liquid container. 17. The liquid ejection apparatus according to claim 14, wherein the projecting portion is a unit configured to facilitate attachment/detachment of the cover member. 18. The liquid ejection apparatus according to claim 14, wherein the projecting portion does not project from the gravity center of the covering portion. 19. The liquid ejection apparatus according to claim 14, wherein in the attitude of the liquid container, the opening surface is not orthogonal to the gravity direction. 20. The liquid ejection apparatus according to claim 19, wherein in the attitude of the liquid container, the opening surface is inclined with respect to the gravity direction.
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