Patent US4775871A successfully refreshed from Google Patents.
US4775871A
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Ink jet recording apparatus having a flexible ink supply connection
Assignee: Canon Inc
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Filing: 1987-10-26
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Granted: 1988-10-04
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Expires: 2007-10-26
Abstract
Abstract In an ink jet recording apparatus having an ink jet recording head for discharging liquid and an ink container for containing the liquid therein, the ink jet recording head and the ink container are communicated with each other by an ink passage, and the ink passage has a separating and connecting portion having a communicating member formed of an elastic material and a fitting portion fitted to the communicating member.
Inventors
- 👤 Tsutomu Abe
- 👤 Toshiaki Hirosawa
- 👤 Yoshie Akiyama
- 👤 Isao Ebisawa
- 👤 Yoshifumi Hattori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:35
CPC Classifications
B; B41; B41J; B41J25/00; B41J25/34; B41J2/00; B41J2/005; B41J2/01; B41J2/17; B41J2/175
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
128 words
An ink jet recording apparatus comprising: a platen; a carriage movable along said platen; an ink jet recording head, disposed on said carriage, for discharging a liquid; an ink container for containing said liquid therein, said ink container including a flexible tube in fluid communication with an ink tank, said ink container being disposed on said carriage and having a fitting portion with an ink outlet port; a supply tube having a first end connected to said ink jet recording head; and a communicating member formed of an elastic material and being connected to a second end of said supply tube, said communicating member removably fitting with said fitting portion to provide fluid communication between said ink jet head and said ink container through said ink outlet port;
Claim 2
Dependent Claim
128 words
An ink jet recording apparatus comprising: a platen; a carriage movable along said platen; an ink jet recording head, disposed on said carriage, for discharging a liquid; an ink container for containing said liquid therein, said ink container including a flexible tube in fluid communication with an ink tank, said ink container being disposed on said carriage and having a fitting portion with an ink outlet port; a supply tube having a first end connected to said ink jet recording head; and a communicating member formed of an elastic material and being connected to a second end of said supply tube, said communicating member removably fitting with said fitting portion to provide fluid communication between said ink jet head and said ink container through said ink outlet port;
Claim 3
Dependent Claim
16 words
An ink jet recording apparatus according to claim 1, wherein said communicating member has a filter.
Claim 4
Dependent Claim
31 words
An ink jet recording apparatus according to claim 2 wherein said filter is restrained in an ink passage formed in said communicating member by a case fitted to said communicating member.
Claim 5
Dependent Claim
16 words
An ink jet recording apparatus according to claim 3 wherein said communicating member has an O-ring.
Claim 6
Dependent Claim
16 words
An ink jet recording apparatus according to claim 1, wherein said elastic material is silicon resin.
Claim 7
Dependent Claim
15 words
An ink jet recording apparatus according to claim 1, wherein said communicating member is elbow-shaped.
Claim 8
Dependent Claim
17 words
An ink jet recording apparatus according to claim 1, wherein said fitting portion is a tubular member.
Claim 9
Dependent Claim
17 words
An ink jet recording apparatus according to claim 7, wherein said tubular member is a supply tube.
Claim 10
Dependent Claim
19 words
An ink jet recording apparatus according to claim 1, wherein said fitting portion is provided in said ink container.
Claim 11
Dependent Claim
16 words
An ink jet recording apparatus according to claim 1, wherein said fitting portion has a filter.
Claim 12
Dependent Claim
20 words
An ink jet recording apparatus according to claim 1, wherein the fitting portion side of said communicating member is cone-shaped.
Claim 13
Dependent Claim
25 words
An ink jet recording apparatus according to claim 1, wherein said fitting portion is integrally formed with an ink containing portion of said ink container.
Claim 14
Dependent Claim
25 words
An ink jet recording apparatus according to claim 1, wherein said fitting portion is formed separately from an ink containing portion of said ink container.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-10-04 | 1992-04-04 | 1992-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-04 | 1996-04-04 | 1996-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-04 | 2000-04-04 | 2000-10-04 | $7700.00 | Window Closed / Lapsed |