Patent US4728970A successfully refreshed from Google Patents.
US4728970A
Expired / Lapsed
US
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Suction recovery apparatus of ink-jet printer
Assignee: Canon Inc
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Filing: 1986-09-22
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Granted: 1988-03-01
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Expires: 2006-09-22
Abstract
Abstract An apparatus for recovering the discharge function of an ink-jet printer by suction comprises a plurality of cap members facing fluid discharge recording means each for ejecting an ink onto a recording surface of a recording medium so as to record an image, wherein each of the cap members comprises a cap slider disposed in a cap holder to be movable in a back-and-forth direction and having a rear end portion provided with a stopper member which can abut against a rear end face of the cap holder; a rubber member disposed in a front opening portion of the cap slider and having an inner portion which can be coupled to the fluid discharge recording means; and a spring member interposed between the cap holder and the cap slider and compressed when the rubber member is depressed backward.
Inventors
- 👤 Koji Terasawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:34
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/135; B41J2/165; B41J2/16517; B41J2/1652; B41J2/16523
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
142 words
An apparatus for recovering by suction the discharge function of an ink-jet printer having a plurality of fluid discharge recording means for ejecting ink onto a recording medium, which apparatus comprises a plurality of cap members, each of which corresponds to one of said fluid discharge recording means, wherein each of said cap members comprises a movable portion disposed in a cap holder to be movable in a back-and-forth direction and having a rear end portion provided with a stopper member which can abut against a rear end face of said cap holder; a rubber member disposed in a front opening portion of said movable portion and having an inner portion which can be coupled to said fluid discharge recording means; and a spring member inteposed between said cap holder said movable portion and compressed when said rubber member is depressed backward.
Claim 2
Independent Claim
142 words
An apparatus for recovering by suction the discharge function of an ink-jet printer having a plurality of fluid discharge recording means for ejecting ink onto a recording medium, which apparatus comprises a plurality of cap members, each of which corresponds to one of said fluid discharge recording means, wherein each of said cap members comprises a movable portion disposed in a cap holder to be movable in a back-and-forth direction and having a rear end portion provided with a stopper member which can abut against a rear end face of said cap holder; a rubber member disposed in a front opening portion of said movable portion and having an inner portion which can be coupled to said fluid discharge recording means; and a spring member inteposed between said cap holder said movable portion and compressed when said rubber member is depressed backward.
Claim 3
Dependent Claim
19 words
An apparatus according to claim 1, wherien said rubber member stores suction member for drawing an ink by suction.
Claim 4
Dependent Claim
14 words
An apparatus according to claim 1, wherein said movable portion includes a cap slider.
Claim 5
Dependent Claim
166 words
An ink-jet printer comprising: a plurality of fluid discharge recording means for ejecting an ink onto a recording surface of a recording medium so as to record and image; driving means for driving said fluid discharge recording means; and means for recorving the discharge function of the ink-jet printer by suction, which comprises a plurality of cap members, each said cap member corresponding to one of said fluid discharge recording menas, wherein each of said cap members comprises a cap slider disposed in a cap holder to be movable in a back-and-forth direction and having a rear end portion provided with a stopped member which can abut against a rear end face of said cap holder; a rubber member disposed in a front opening portion of said cap slider and having an inner portion which can be coupled to said fluid discharge recording means; and a spring member interposed between said cap holder and said cap slider and compressed when said rubber member is depressed backward.
Claim 6
Dependent Claim
166 words
An ink-jet printer comprising: a plurality of fluid discharge recording means for ejecting an ink onto a recording surface of a recording medium so as to record and image; driving means for driving said fluid discharge recording means; and means for recorving the discharge function of the ink-jet printer by suction, which comprises a plurality of cap members, each said cap member corresponding to one of said fluid discharge recording menas, wherein each of said cap members comprises a cap slider disposed in a cap holder to be movable in a back-and-forth direction and having a rear end portion provided with a stopped member which can abut against a rear end face of said cap holder; a rubber member disposed in a front opening portion of said cap slider and having an inner portion which can be coupled to said fluid discharge recording means; and a spring member interposed between said cap holder and said cap slider and compressed when said rubber member is depressed backward.
Claim 7
Dependent Claim
30 words
A printer according to claim 4, wherein a plurality of said fluid discharge recording means are provided therein and different inks are introduced into respective said fluid discharge recording means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-03-01 | 1991-08-31 | 1992-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-03-01 | 1995-08-31 | 1996-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-03-01 | 1999-08-31 | 2000-03-01 | $7700.00 | Window Closed / Lapsed |