US5091737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording device
Assignee: Canon Inc
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Filing: 1989-06-13
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Granted: 1992-02-25
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Expires: 2009-06-13
Abstract
Abstract A recording device comprises a plural number of ink jet device units, each unit comprising an ink jet head portion, its drive controlling portion and a wiring portion, juxtaposed on a common base plate.
Inventors
- 👤 Shigeo Toganoh
- 👤 Yohji Matsufuji
- 👤 Hiroo Ichihashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:04
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/135; B41J2/145; B41J2/155; B41J25/00; B41J25/34; B41J2202/00; B41J2202/01; B41J2202/20
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
167 words
A recording device which comprises: a common supporting plate, a plural number of ink jet device units mounted on said common supporting plate, each said unit having plural ink discharging outlets, wherein said plural outlets of each said unit are arranged in a row and each said unit comprises an ink jet head portion having said outlets therein, a drive controlling portion for driving said ink jet head portion selectively to discharge droplets from said outlets in response to electrical signals supplied to said drive controlling portion and a wiring portion for enabling electrical signals to be supplied to said driving portion, means for accurately arranging said rows of outlets of said units in predetermined positions relative to each other, holding members in contact with said units proximate to said outlets for detachably clamping said accurately arranged units onto said common supporting plate by pressing each said unit against said common supporting plate, and an electrical lead connected to said wiring portions of all of said units.
Claim 2
Dependent Claim
167 words
A recording device which comprises: a common supporting plate, a plural number of ink jet device units mounted on said common supporting plate, each said unit having plural ink discharging outlets, wherein said plural outlets of each said unit are arranged in a row and each said unit comprises an ink jet head portion having said outlets therein, a drive controlling portion for driving said ink jet head portion selectively to discharge droplets from said outlets in response to electrical signals supplied to said drive controlling portion and a wiring portion for enabling electrical signals to be supplied to said driving portion, means for accurately arranging said rows of outlets of said units in predetermined positions relative to each other, holding members in contact with said units proximate to said outlets for detachably clamping said accurately arranged units onto said common supporting plate by pressing each said unit against said common supporting plate, and an electrical lead connected to said wiring portions of all of said units.
Claim 3
Dependent Claim
35 words
A recording device according to claim 1, wherein for each unit said ink jet head portion, said drive controlling portion and said wiring portion are arranged on said common supporting plate in the named order.
Claim 4
Dependent Claim
32 words
A recording device according to claim 1, wherein said ink jet head portion, said drive controlling portion and said wiring portion are electrically connected to each other in each of said units.
Claim 5
Dependent Claim
32 words
A recording device according to claim 1, wherein said common supporting plate has first and second opposed major surfaces and said units are juxtaposed on both said surfaces of said supporting plate.
Claim 6
Dependent Claim
51 words
A recording device according to claim 1, wherein said means for accurately arranging said outlets of each said unit comprises a head registration plate and respective standard positioning planes for accurate alignment in a direction toward and away from a line, and for accurate arrangement in a direction along said line.
Claim 7
Dependent Claim
100 words
A recording device which comprises: a supporting plate, a plural number of ink jet devices mounted on said supporting plate, each said ink jet device having a plural number of ink orifices arranged in a row, means defining positions for accurately juxtaposing said ink jet devices in predetermined positions relative to each other on at least one side of said supporting plate, and holding members in contact with said ink jet devices proximate to said orifices for detachably clamping said accurately juxtaposed ink jet devices onto said supporting plate by pressing each said ink jet device against said supporting plate.
Claim 8
Dependent Claim
100 words
A recording device which comprises: a supporting plate, a plural number of ink jet devices mounted on said supporting plate, each said ink jet device having a plural number of ink orifices arranged in a row, means defining positions for accurately juxtaposing said ink jet devices in predetermined positions relative to each other on at least one side of said supporting plate, and holding members in contact with said ink jet devices proximate to said orifices for detachably clamping said accurately juxtaposed ink jet devices onto said supporting plate by pressing each said ink jet device against said supporting plate.
Claim 9
Dependent Claim
37 words
A recording device according to claim 6, wherein said supporting plate has first and second opposed major surfaces and plural numbers of said ink jet devices are juxtaposed on both of said surfaces of said supporting plate.
Claim 10
Dependent Claim
142 words
A recording device which comprises: a common supporting plate, a plural number of ink jet device units having ink discharging outlets, each said unit having an ink jet head with said outlets arranged in a row, a drive controlling portion and a wiring portion, all of said units being juxtaposed on said common supporting plate, means for accurately arranging said rows of outlets of said units to be in predetermined positions relative to each other, a flexible sheet having a plurality of electrical lead portions for supplying electrical signals to said wiring portions of said units, and a plurality of pressing means for detachably clamping said flexible sheet onto said wiring portions of adjacent said units by pressing each said lead portion against a corresponding said wiring portion, wherein each said wiring portion and said corresponding lead portion have cooperating matrix wiring.
Claim 11
Dependent Claim
142 words
A recording device which comprises: a common supporting plate, a plural number of ink jet device units having ink discharging outlets, each said unit having an ink jet head with said outlets arranged in a row, a drive controlling portion and a wiring portion, all of said units being juxtaposed on said common supporting plate, means for accurately arranging said rows of outlets of said units to be in predetermined positions relative to each other, a flexible sheet having a plurality of electrical lead portions for supplying electrical signals to said wiring portions of said units, and a plurality of pressing means for detachably clamping said flexible sheet onto said wiring portions of adjacent said units by pressing each said lead portion against a corresponding said wiring portion, wherein each said wiring portion and said corresponding lead portion have cooperating matrix wiring.
Claim 12
Dependent Claim
32 words
A recording device according to claim 8, wherein said ink jet head portion, said drive controlling portion and said wiring portion are electrically connected to each other in each of said units.
Claim 13
Dependent Claim
32 words
A recording device according to claim 8, wherein said supporting plate has first and second opposed major surfaces and said units are juxtaposed on both of said surfaces of said supporting plate.
Claim 14
Dependent Claim
29 words
A recording device according to claim 8, wherein said units are detachably clamped to said supporting plate by holding members in contact with said units proximate to said outlets.
Claim 15
Dependent Claim
32 words
A recording device according to claim 8, wherein said ink jet head portion, said drive controlling portion and said wiring portion are arranged on each of said units in the order listed.
Claim 16
Dependent Claim
54 words
A recording device according to claim 8, wherein said means for accurately arranging said outlets of each said unit comprises a head registration plate and respective standard positioning planes for accurate alignment in a direction toward and away from a line, and for accurate arrangement of the outlets in a direction along said line.
Claim 17
Dependent Claim
84 words
A recording device which comprises: a supporting member having a supporting surface, an ink jet device unit mounted on said supporting member, said unit having an ink jet head portion having a plural number of ink discharging outlets, and a holding member for detachably clamping said unit onto said supporting surface, said holding member including a pressure holding member for clamping said unit between said pressure holding member and said supporting member by contacting said ink jet head portion proximate to said discharging outlets.
Claim 18
Dependent Claim
84 words
A recording device which comprises: a supporting member having a supporting surface, an ink jet device unit mounted on said supporting member, said unit having an ink jet head portion having a plural number of ink discharging outlets, and a holding member for detachably clamping said unit onto said supporting surface, said holding member including a pressure holding member for clamping said unit between said pressure holding member and said supporting member by contacting said ink jet head portion proximate to said discharging outlets.
Claim 19
Dependent Claim
23 words
A recording device according to claim 14, wherein said discharging outlets are arranged between two pressure contact surfaces of said pressure holding member.
Claim 20
Dependent Claim
34 words
A recording device according to claim 15, wherein said pressure holding member is made of a heat conductive material capable of maintaining the temperature of the ink discharged from said discharging outlets substantially constant.
Claim 21
Dependent Claim
21 words
A recording device according to claim 15, wherein said pressure holding member has a through hole corresponding to said head portion.
Claim 22
Dependent Claim
34 words
A recording device according to claim 17, wherein said pressure holding member is made of a heat conductive material capable of maintaining the temperature of the ink discharged from said discharging outlets substantially constant.
Claim 23
Dependent Claim
21 words
A recording device according to claim 14, wherein said holding member holds a pair of opposite surfaces of said head portion.
Claim 24
Dependent Claim
61 words
A recording device according to claim 14, further comprising a signal supplying member for transmitting electrical signals for driving said unit, wherein said unit has a wiring portion, said electricity supplying member and said wiring portion have cooperating matrix wiring and said holding members effect electrical connection of said matrix wirings by clamping said signal supplying member to said wiring portion.
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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) | 1995-02-24 | 1995-08-26 | 1996-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-02-24 | 1999-08-26 | 2000-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-02-24 | 2003-08-26 | 2004-02-25 | $7700.00 | Window Closed / Lapsed |