Patent US5262802A successfully refreshed from Google Patents.
US5262802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording head assembly with single sealing member for ejection outlets and for an air vent
Assignee: Canon Inc
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Filing: 1990-09-17
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Granted: 1993-11-16
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Expires: 2010-09-17
Abstract
Abstract A recording head is proposed having an ejection outlet for ejecting recording ink, and a container for the recording ink having an air vent. A single sealing member seals both the ejection outlet and the air vent so that when this sealing member is removed, both the ejection outlet and the air vent are unsealed.
Inventors
- 👤 Seiichiro Karita
- 👤 Hideo Saikawa
- 👤 Hiroshi Sugitani
- 👤 Yoshifumi Hattori
- 👤 Masami Ikeda
- 👤 Asao Saito
- 👤 Kazuaki Masuda
- 👤 Akio Saito
- 👤 Tsuyoshi Orikasa
- 👤 Toshiaki Nagashima
- 👤 Norio Hikake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:06
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/17; B41J2/175; B41J2/17503; B41J2/17536; B41J2/17513; B41J2/17526; B41J2/17533; C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/6216; C08G18/622; C08G18/6225; C08G18/6229; C09; C09J; C09J7/00; C09J7/30; C09J7/38; C09J7/381; C09J7/385; C08G2170/00; C08G2170/40
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
73 words
A sealed recording head assembly comprising: a recording head having an ejection outlet for ejection recording using a liquid; a container for containing the liquid for supply to said recording head for ejection recording, said container having an air vent; and a single sealing member for sealingly covering both said ejection outlet and said air vent, so that removal of said single sealing member unseals both said ejection outlet and said air vent.
Claim 2
Dependent Claim
73 words
A sealed recording head assembly comprising: a recording head having an ejection outlet for ejection recording using a liquid; a container for containing the liquid for supply to said recording head for ejection recording, said container having an air vent; and a single sealing member for sealingly covering both said ejection outlet and said air vent, so that removal of said single sealing member unseals both said ejection outlet and said air vent.
Claim 3
Dependent Claim
39 words
A sealed recording head assembly according to claim 1, further comprising an urging member attached to said recording head and said sealing member for urging said sealing member against said recording head so as to cover said ejection outlet.
Claim 4
Dependent Claim
74 words
A sealed recording head assembly according to claim 2, wherein said urging member includes a pair of first engaging portions and said recording head includes a second engaging portion engageable with said pair of first engaging portions, said urging member having an elastic portion for urging said sealing member against said recording head so as to cover said ejection outlet when said pair of first engaging portions is engaged with said second engaging portion.
Claim 5
Dependent Claim
50 words
A sealed recording head assembly according to claim 3, wherein said pair of first engaging portions have a plurality of first engaging portions have a plurality of first grooves and said second engaging portion has a plurality of second grooves, said first grooves being engageable with corresponding said second grooves.
Claim 6
Dependent Claim
28 words
A sealed recording head assembly according to claim 4, wherein said pair of first engaging portions engages said second engaging portion so as to grip said recording head.
Claim 7
Dependent Claim
24 words
A sealed recording head assembly according to claim 1, wherein said sealing member is urged by an elastic member located at said ejection outlet.
Claim 8
Dependent Claim
54 words
A sealed recording head assembly according to claim 1, wherein said sealing member has an end portion adjacent to said air vent for easy peeling so that when said sealing member is removed said air vent is first unsealed from said sealing member, and then said ejection outlet is unsealed from said sealing member.
References Cited (Backward Citations)
US3016177A
Cited
US3610765A
Cited
US4126868A
Cited
US4723129A
Cited
US4740796A
Cited
JPS5456847A
Cited
US4459600A
Cited
US4345262A
Cited
DE2912926A1
Cited
US4463359A
Cited
US4313124A
Cited
US4558333A
Cited
GB2107284A
Cited
JPS59123670A
Cited
JPS59138461A
Cited
JPS59145157A
Cited
JPS6071260A
Cited
US4600927A
Cited
US4689642A
Cited
DE3511346A1
Cited
US4638336A
Cited
DE3522799A1
Cited
US4707714A
Cited
US4855764A
Cited
US4677447A
Cited
US4769658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-11-15 | 1997-05-17 | 1997-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-11-15 | 2001-05-17 | 2001-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-11-15 | 2005-05-17 | 2005-11-16 | $7700.00 | Window Closed / Lapsed |