US4959662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink jet recorder having means for removing unused ink from ink discharge orifice and for capping same
Assignee: Canon Inc
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Filing: 1989-03-24
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Granted: 1990-09-25
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Expires: 2009-03-24
Abstract
Abstract There is disclosed an ink jet recorder having an ink jet record head including an orifice to discharge ink, comprising: a gas jet unit for jetting gas to remove nonused ink discharged from the orifice; and a liquid receptor means for accommodating the removed nonused ink.
Inventors
- 👤 Tohru Kobayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:47
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/17; B41J2/1721; B41J2/135; B41J2/165; B41J2/16517; B41J2/16552; B41J2/1728
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
109 words
A method for recovering unused ink from an ink jet recording head during a recovery process, said method comprising the steps of: providing an ink jet recording head having an orifice for discharging ink therefrom; ejecting ink from said orifice during said recovery process; jetting gas from above said orifice toward said orifice to blow ink ejected therefrom downwardly during said recovery process; and collecting ink ejected from said orifice and blown downwardly therefrom by said jetted gas using an ink absorbing member disposed below said orifice and in abutment with a surface adjacent said orifice, wherein said ejecting and jetting steps are performed substantially at the same time.
Claim 2
Independent Claim
109 words
A method for recovering unused ink from an ink jet recording head during a recovery process, said method comprising the steps of: providing an ink jet recording head having an orifice for discharging ink therefrom; ejecting ink from said orifice during said recovery process; jetting gas from above said orifice toward said orifice to blow ink ejected therefrom downwardly during said recovery process; and collecting ink ejected from said orifice and blown downwardly therefrom by said jetted gas using an ink absorbing member disposed below said orifice and in abutment with a surface adjacent said orifice, wherein said ejecting and jetting steps are performed substantially at the same time.
Claim 3
Dependent Claim
168 words
An improved ink jet recording apparatus for recovering ink during a non-recording operation, said apparatus comprising: an ink jet recording head having a discharge port for discharging ink therefrom; a cap container for covering said discharge port and collecting ink ejected from said discharge port, said cap container having gas jet means with a gas jetting port disposed above said discharge port for jetting gas toward said discharge port during said non-recording operation and an ink absorbing member disposed in said cap container below said discharge port for absorbing ink ejected from said discharge port; ejecting means for ejecting ink from said discharge port during the non-recording operation; and moving means for moving said ink absorbing member relative to said cap container to cause said ink absorbing member to abut said recording head during said non-recording operation, wherein during said non-recording operation ink ejected from said discharge port is blown downwardly by gas jetted from said gas jetting port toward said ink absorbing member to be absorbed thereby.
Claim 4
Dependent Claim
168 words
An improved ink jet recording apparatus for recovering ink during a non-recording operation, said apparatus comprising: an ink jet recording head having a discharge port for discharging ink therefrom; a cap container for covering said discharge port and collecting ink ejected from said discharge port, said cap container having gas jet means with a gas jetting port disposed above said discharge port for jetting gas toward said discharge port during said non-recording operation and an ink absorbing member disposed in said cap container below said discharge port for absorbing ink ejected from said discharge port; ejecting means for ejecting ink from said discharge port during the non-recording operation; and moving means for moving said ink absorbing member relative to said cap container to cause said ink absorbing member to abut said recording head during said non-recording operation, wherein during said non-recording operation ink ejected from said discharge port is blown downwardly by gas jetted from said gas jetting port toward said ink absorbing member to be absorbed thereby.
Claim 5
Dependent Claim
139 words
An improved ink jet recording apparatus for recovering during a recovery process, said apparatus comprising: an ink jet recording head having on a surface thereof an orifice for discharging ink therefrom; recovery means for ejecting ink from said orifice during the recovery process; and a cap for capping said orifice to collect ink ejected from said orifice, said cap having gas jet means with a gas jetting port disposed above said orifice for jetting gas downwardly toward said orifice while ink is ejected from said orifice during said recovery process, and an ink absorbing member disposed below said orifice and abutting said surface of said ink jet recording head, wherein during said recovery process ink ejected from said orifice is blown downwardly by gas jetted from said gas jetting port toward said ink absorbing member to be absorbed thereby.
Claim 6
Dependent Claim
139 words
An improved ink jet recording apparatus for recovering during a recovery process, said apparatus comprising: an ink jet recording head having on a surface thereof an orifice for discharging ink therefrom; recovery means for ejecting ink from said orifice during the recovery process; and a cap for capping said orifice to collect ink ejected from said orifice, said cap having gas jet means with a gas jetting port disposed above said orifice for jetting gas downwardly toward said orifice while ink is ejected from said orifice during said recovery process, and an ink absorbing member disposed below said orifice and abutting said surface of said ink jet recording head, wherein during said recovery process ink ejected from said orifice is blown downwardly by gas jetted from said gas jetting port toward said ink absorbing member to be absorbed thereby.
Claim 7
Dependent Claim
16 words
An ink jet recorder according to claim 3 wherein a plurality of said orifices are provided.
Claim 8
Dependent Claim
34 words
An ink jet recorder according to claim 4 wherein a width of an area blown by said gas jet means is wider than a width of an array into which said orifices are arranged.
Claim 9
Dependent Claim
66 words
An ink jet recording apparatus according to claim 3, 4 or 5 wherein said ink absorbing member is movable between a position abutting said ink jet recording head, or a head holder holding said ink jet recording head, when gas is jetted by said gas jet means and a position where said ink absorbing member does not abut said ink jet recording head or head holder.
Claim 10
Dependent Claim
22 words
An apparatus according to claim 3, wherein the gas jetting of said gas jet means is executed when said capping is performed.
Claim 11
Dependent Claim
23 words
An apparatus according to claim 3, wherein the gas jetting of said gas jet means is executed when said capping is not performed.
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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) | 1993-09-24 | 1994-03-26 | 1994-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-09-24 | 1998-03-26 | 1998-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-09-24 | 2002-03-26 | 2002-09-25 | $7700.00 | Window Closed / Lapsed |