US4901094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waste collecting device of an ink jet printer
Assignee: Sharp Corp
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Filing: 1988-06-07
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Granted: 1990-02-13
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Expires: 2008-06-07
Abstract
Abstract An ink jet printer is equipped with a cap for covering a nozzle face to prevent the nozzle from clogging and has maintenance solution supplied to the cap. A waste collecting device is provided in the printer and includes a powder type absorbent placed in a waste collecting tank case so that waste liquid such as maintenance solution and ink led from the cap into the tank case is absorbed by and retained in the powder absorbent.
Inventors
- 👤 Fusao Iwagami
- 👤 Sei Murayama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:23
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/135; B41J2/165; B41J2/16517; B41J2/1652; B41J2/16523; B41J2/16505; B41J2/16508
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
122 words
A waste collection device for an ink jet printer, comprising: an ink cartridge member removably mounted to said printer; ink supply means provided within said ink cartridge member for supplying ink liquid to said printer; a waste collecting bag provided within said ink cartridge member and in contact with said ink supply means, said bag being divided into a plurality of discrete sections, each of said plurality of sections containing a powdered material for absorbing fluid; means for directing waste fluid from said ink jet printer into communication with said waste collecting bag; and means for enabling said waste collecting bag to uniformly absorb said waste fluid within said ink cartridge member upon exhaustion of ink liquid from said ink supply means.
Claim 2
Dependent Claim
122 words
A waste collection device for an ink jet printer, comprising: an ink cartridge member removably mounted to said printer; ink supply means provided within said ink cartridge member for supplying ink liquid to said printer; a waste collecting bag provided within said ink cartridge member and in contact with said ink supply means, said bag being divided into a plurality of discrete sections, each of said plurality of sections containing a powdered material for absorbing fluid; means for directing waste fluid from said ink jet printer into communication with said waste collecting bag; and means for enabling said waste collecting bag to uniformly absorb said waste fluid within said ink cartridge member upon exhaustion of ink liquid from said ink supply means.
Claim 3
Dependent Claim
53 words
The waste collecting device according to claim 1, wherein each of said plurality of sections is joined by a water soluble substance, said waste fluid dissolving the water soluble substance, said water soluble substance thereby preventing shifting of said powdered material within said ink cartridge member prior to absorption of said waste fluid.
Claim 4
Dependent Claim
20 words
The waste collecting device according to claim 1, wherein said waste collecting bag is comprised of a flow-through elastic material.
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) | 1993-02-12 | 1993-08-14 | 1994-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-02-12 | 1997-08-14 | 1998-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-02-12 | 2001-08-14 | 2002-02-13 | $7700.00 | Window Closed / Lapsed |