US4329698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable cartridge for ink drop printer
Assignee: IBM Information Products Corp
•
Filing: 1980-12-19
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Granted: 1982-05-11
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Expires: 2000-12-19
Abstract
Abstract A convenience package for drop-on-demand ink drop recording devices which includes drop generating means for projecting ink droplets to a recording medium, filter means, and the ink supply, all of which are quickly interchangeable, and intended for disposal after the ink supply is exhausted. The cartridge is a compact, inexpensive arrangement that is adaptable to multi-nozzle and multi-color requirements.
Inventors
- 👤 Normand C. Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:24
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/17; B41J2/175; B41J2/17503; B41J2/1752; B41J2/17513; G; G01; G01D; G01D15/00; G01D15/16; G01D15/18
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
97 words
A cartridge for ink drop printing apparatus comprising: housing means having an extended portion and forming a chamber communicating with said extended portion; drop generating means supported in said extended portion by at least two resilient conductive elements, said drop generating means having separate conductive coatings on opposite surfaces thereof; conductive paths on the exterior of said extended portion each connected through said extended portion to one of said resilient elements; and reservoir means in said chamber for holding a quantity of marking fluid and being in communication with said extended portion and said drop generating means.
Claim 2
Dependent Claim
97 words
A cartridge for ink drop printing apparatus comprising: housing means having an extended portion and forming a chamber communicating with said extended portion; drop generating means supported in said extended portion by at least two resilient conductive elements, said drop generating means having separate conductive coatings on opposite surfaces thereof; conductive paths on the exterior of said extended portion each connected through said extended portion to one of said resilient elements; and reservoir means in said chamber for holding a quantity of marking fluid and being in communication with said extended portion and said drop generating means.
Claim 3
Dependent Claim
19 words
Apparatus as described in claim 1 further including filter means between said drop generating means and said reservoir means.
Claim 4
Dependent Claim
16 words
Apparatus as described in claim 1 wherein said drop generating means includes a tubular piezoelectric device.
Claim 5
Dependent Claim
19 words
Apparatus as described in claim 1 wherein said resilient conductive elements are annular rings surrounding said drop generating means.
Claim 6
Dependent Claim
21 words
Apparatus as described in claim 1 wherein said drop generating means includes at least two piezoelectric devices mounted in said neck.
Claim 7
Dependent Claim
19 words
Apparatus as described in claim 5 wherein each said drop generating means is coupled with a respective reservoir means.
Claim 8
Dependent Claim
15 words
Apparatus as described in claim 1 wherein said cartridge is a molded two piece housing.
Claim 9
Dependent Claim
24 words
Apparatus as described in claim 1 wherein said drop generating means includes a piezoelectric tube having an orifice plate secured to one end thereof.
Claim 10
Dependent Claim
14 words
Apparatus as described in claim 1 wherein said reservoir means comprises a collapsible bladder.
Claim 11
Dependent Claim
18 words
Apparatus as described in claim 1 wherein said conductive paths are annular bands disposed about said extended portion.
Claim 12
Dependent Claim
67 words
In an ink drop printer, a translatable carrier movable relative to a record member comprising: cartridge means having therein drop generating means, an ink reservoir and first electrode means for controlling said drop generating means; and cradle means for supporting said cartridge means, said cradle means having a shape complementary to said cartridge means and second electrode means on said cradle connected with said first electrode means.
Claim 13
Dependent Claim
67 words
In an ink drop printer, a translatable carrier movable relative to a record member comprising: cartridge means having therein drop generating means, an ink reservoir and first electrode means for controlling said drop generating means; and cradle means for supporting said cartridge means, said cradle means having a shape complementary to said cartridge means and second electrode means on said cradle connected with said first electrode means.
Claim 14
Dependent Claim
15 words
Apparatus as described in claim 11 wherein said drop generating means includes a piezoelectric device.
Claim 15
Dependent Claim
28 words
Apparatus as described in claim 12 wherein said cartridge means includes resilient conductive support means for said piezoelectric device to connect said device with said first circuit means.
Claim 16
Dependent Claim
26 words
Apparatus as described in claim 12 wherein said drop generating means includes at least a pair of resilient conductive support means for each said piezoelectric device.
Claim 17
Dependent Claim
23 words
Apparatus as described in claim 11 wherein said cartridge means further includes filter means interposed between said drop generating means and said reservoir.
Claim 18
Dependent Claim
17 words
Apparatus as described in claim 11 wherein said cartridge means includes a plurality of drop generating means.
Claim 19
Dependent Claim
21 words
Apparatus as described in claim 11 wherein said cradle means includes alignment means between said cartridge means and said cradle means.
Claim 20
Dependent Claim
23 words
Apparatus as described in claim 11 wherein said cradle means resiliently grips said cartridge means to engage said first and second electrode means.
Claim 21
Dependent Claim
69 words
In an ink drop printer, a translatable carrier movable relative to a record member comprising: cartridge means having an ink reservoir and a cylindrical neck portion with drop generating means therein and annular electrodes thereon connected with said drop generating means; and cradle means for supporting said cartridge means, said cradle means having a concave shape complementary to said neck portion and second electrodes connectable with said annular electrodes.
Claim 22
Dependent Claim
69 words
In an ink drop printer, a translatable carrier movable relative to a record member comprising: cartridge means having an ink reservoir and a cylindrical neck portion with drop generating means therein and annular electrodes thereon connected with said drop generating means; and cradle means for supporting said cartridge means, said cradle means having a concave shape complementary to said neck portion and second electrodes connectable with said annular electrodes.
Claim 23
Dependent Claim
21 words
Apparatus as described in claim 19 wherein said second electrode means are semi-circular bands on the concave portion of said cradle.
Claim 24
Dependent Claim
25 words
Apparatus as described in claim 19 wherein said drop generating means includes a cylindrical piezoelectric tube mounted on a pair of electrically conductive elastomer supports.
Claim 25
Dependent Claim
23 words
Apparatus as described in claim 19 wherein said drop generating means includes a plurality of piezoelectric tubes, each having a nozzle plate thereon.
Claim 26
Dependent Claim
18 words
Apparatus as described in claim 19 wherein said cradle means is formed to resiliently grip said cartridge means.
References Cited (Backward Citations)
US3787884A
Cited
US4183031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-05-10 | 1985-11-09 | 1986-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-05-10 | 1989-11-09 | 1990-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-05-10 | 1993-11-09 | 1994-05-11 | $7700.00 | Window Closed / Lapsed |