JPS60204337A - Liquid jet recording apparatus - Google Patents
Liquid jet recording apparatusInfo
- Publication number
- JPS60204337A JPS60204337A JP6058184A JP6058184A JPS60204337A JP S60204337 A JPS60204337 A JP S60204337A JP 6058184 A JP6058184 A JP 6058184A JP 6058184 A JP6058184 A JP 6058184A JP S60204337 A JPS60204337 A JP S60204337A
- Authority
- JP
- Japan
- Prior art keywords
- recording head
- carriage
- contact
- electrical contact
- liquid jet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J25/00—Actions or mechanisms not otherwise provided for
- B41J25/34—Bodily-changeable print heads or carriages
Landscapes
- Ink Jet (AREA)
Abstract
Description
【発明の詳細な説明】
〔技術分野〕
本発明は液体噴出（インクジェット）配録装置の改良に
関する。DETAILED DESCRIPTION OF THE INVENTION TECHNICAL FIELD This invention relates to improvements in liquid jet (inkjet) recording devices.
一般に液体噴射記録装置においては、液体噴射記録ヘッ
ド（以下記録ヘッドと称す）の保守・交換等の理由によ
少記録ヘッドがキャリジに対し容易に着脱できることが
望ましい。この為、従来記録ヘッドに駆動電力及び信号
を供給するに、記録ヘッドとキャリジに夫々電気的接点
を設け、記録ヘッドがキャリジに搭載された時に両者の
電気的接点が接触し記録ヘッドに駆動電力及び信号の供
給が行なわれることが提案されている。この時、記録ヘ
ッドはキャリジの上に搭載される型式のものが多く、こ
の為、記録ヘッド側の電気的接点は該記録ヘッドの下部
に設けられるのが普通である。In general, in a liquid jet recording apparatus, it is desirable that a liquid jet recording head (hereinafter referred to as a recording head) be easily attached to and detached from a carriage for reasons such as maintenance and replacement. For this reason, conventionally, in order to supply driving power and signals to the recording head, electrical contacts are provided on the recording head and the carriage, respectively, and when the recording head is mounted on the carriage, the electrical contacts of the two come into contact, and the driving power is supplied to the recording head. It is proposed that the signal is supplied. At this time, the recording head is often of the type that is mounted on a carriage, and for this reason, electrical contacts on the recording head side are usually provided at the bottom of the recording head.
更にインクを噴射するオリフィスの存するオリフィス面
と前記電気的接点を有する電気配線基板とか同一平面上
に形成された記録ヘッドにおいては、上述した理由によ
ジオリフイス面よシ下側に電気的接点が設けられるため
にオリフィスよシこぼれ落ちるインクによシミ気的接点
が汚されまた電気的接点が腐蝕した多接触不良を起こし
、液体（インク）が吐出しなかったシ、吐出状態が不安
定になるという不都合を来たした。Furthermore, in a recording head formed on the same plane as the orifice surface where the orifice for ejecting ink exists and the electrical wiring board having the electrical contact, the electrical contact is provided on the lower side of the geo-orifice surface for the above-mentioned reason. As a result, the ink that spills down the orifice stains the gas contacts, corrodes the electrical contacts, and causes multiple contact failures, resulting in the liquid (ink) not being ejected and the ejection condition becoming unstable. It was an inconvenience.
そこで本発明の目的は前記欠点を解消すべく常に安定し
た液体吐出状態を実現し得る液体噴射記録装置を提供す
ることにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a liquid jet recording apparatus that can always achieve a stable liquid ejection state in order to eliminate the above-mentioned drawbacks.
前記目的を達成すべく本発明は、液体を吐出して飛翔的
液滴を形成する為に設けられたオリフィスと前記液滴を
形成する為に利用されるエネルギーを発生するエネルギ
ー発生体とを有する液体噴射記録ヘッドを搭載して成る
液体噴射記録装置において、前記液体噴射記録ヘッドに
は前記オリフィスが設けられた面とは異なる面に前記エ
ネルギー発生体へ入力される電気的接点が設けられてい
るとともに被搭載部には該液体噴射記録ヘッド搭載時に
前記電気的接点に接続される電気的接点が設けられてい
ることを特徴とする。To achieve the above object, the present invention includes an orifice provided to eject liquid to form flying droplets, and an energy generator that generates energy used to form the droplets. In a liquid jet recording device equipped with a liquid jet recording head, the liquid jet recording head is provided with an electrical contact for input to the energy generator on a surface different from a surface on which the orifice is provided. Additionally, the mounting portion is provided with an electrical contact that is connected to the electrical contact when the liquid jet recording head is mounted.
以下図面に基づいて本発明の実施例を具体的かつ詳細に
説明する。Embodiments of the present invention will be described in detail below based on the drawings.
第１図は本実施例に係る液体噴射記録装置２の斜視図で
ある。図において、４はプラテン軸６を軸として入方向
に回動可能はプラテン、８は印字用紙の如き被記録材（
以下用紙と称す）であシブラテン４が回転すると同方向
に回転する。１ｏ。FIG. 1 is a perspective view of a liquid jet recording apparatus 2 according to this embodiment. In the figure, 4 is a platen rotatable in the input direction about a platen shaft 6, and 8 is a recording material such as printing paper (
(hereinafter referred to as "paper") rotates in the same direction as the shim platen 4 rotates. 1 o.
１２は案内軸であシ、該案内軸１０．１２に対してキャ
リジ１４がＢ方向に摺動可能に設けられる。12 is a guide shaft, and a carriage 14 is provided so as to be slidable in the B direction with respect to the guide shaft 10.12.
１６はキャリジ１４に駆動電力及び信号を伝送するフレ
キシブルケーブルである。１８はキャリジ１４に搭載さ
れる液体噴射用記録ヘッド（以下記録ヘッドと称する）
である。16 is a flexible cable that transmits driving power and signals to the carriage 14. Reference numeral 18 denotes a liquid jet recording head (hereinafter referred to as a recording head) mounted on the carriage 14.
It is.
第２図は本発明第１実施例に係るキャリジ１４及び記録
ヘッド１８の詳細図である。該記録ヘッド１８は電力及
び信号を伝送する為の記録ヘッド側電気的接点２０（以
下第１接点と称す）がオリフィス２２と異なる面上に形
成される。２４はインクの如き液体が入る液溜、２６は
インクの如き吐出液滴である。FIG. 2 is a detailed view of the carriage 14 and recording head 18 according to the first embodiment of the present invention. In the recording head 18, a recording head side electrical contact 20 (hereinafter referred to as a first contact) for transmitting power and signals is formed on a different surface from the orifice 22. 24 is a liquid reservoir into which a liquid such as ink enters, and 26 is a discharge droplet such as ink.
又キャリジ１４には用紙８側（第１図）に突出部２８を
設け、該突出部２８には記録ヘッド１８の第１接点２０
と接触するキャリジ側電気的接点３０（以下第２接点と
称す）を設ける。該キャリジ１４に記録ヘッド１８を搭
載するにはキャリジ１４の第２接点３０に記録ヘッド１
８の第１接点２０が接触すべくキャリジ１４の上面３２
に記録ヘッド１８を載置する。印字を行なうにあたって
は、キャリジ１４に設けられたフレキシブルケーブル１
６を介して供給される駆動電力及び制御信号は、前者は
そのまま、後者はキャリジ内制御回路（図示せず）によ
シ駆動信号電圧に変換されて、第１接点２０に供給され
た後、該第１接点２０に接触する第２接点３０に伝送さ
れオリフィス２２（５）
から液体（インク）が噴射される。Further, the carriage 14 is provided with a protrusion 28 on the paper 8 side (FIG. 1), and the protrusion 28 has a first contact 20 of the recording head 18.
A carriage-side electrical contact 30 (hereinafter referred to as a second contact) is provided to make contact with the carriage. To mount the recording head 18 on the carriage 14, the recording head 1 is attached to the second contact point 30 of the carriage 14.
The upper surface 32 of the carriage 14 is to be contacted by the first contact 20 of 8.
The recording head 18 is placed on. When printing, the flexible cable 1 provided on the carriage 14
The drive power and control signal supplied through 6 are converted into a drive signal voltage by an in-carriage control circuit (not shown), the former as is, and then supplied to the first contact 20. The liquid (ink) is transmitted to the second contact 30 that contacts the first contact 20 and is ejected from the orifice 22(5).
第３図は本発明第２実施例に係シ、この第２実施例の特
徴とするところは、オリフィス２２よシ上方に第１接点
２０が形成された記録ヘッド１８をキャリジ１４に搭載
する為突出部２Ｂに形成される第２接点３０が第１実施
例に比して高位置に配されこれに伴い突出部２８の高さ
も第１実施例よシ高いものとなる。この第２実施例によ
ればオリフィス２２よシ第１接点２０及び第２接点３０
が上方に位置する為、オリフィス２２よシ流出するイン
クの汚れを更に防止し得る。FIG. 3 shows a second embodiment of the present invention, and the feature of this second embodiment is that the recording head 18 having the first contact 20 formed above the orifice 22 is mounted on the carriage 14. The second contact 30 formed on the protrusion 2B is arranged at a higher position than in the first embodiment, and accordingly, the height of the protrusion 28 is also higher than in the first embodiment. According to this second embodiment, the orifice 22, the first contact 20 and the second contact 30
Since the is located above, it is possible to further prevent the ink flowing out from the orifice 22 from becoming dirty.
第４図は、本発明第３実施例に係多、この第３実施例で
は側面にオリフィス２２を設は底面に第１接点２０が設
けられた記録ヘッド１８の底面に、オリフィス２２側と
第１接点２０とをしきる溝３４を設ける。該記録ヘッド
１８を搭載するキャリジ１４には、その上面に第１接点
２ｏと接触する第２接点３０と、記録ヘッド１８の溝３
４に係合する障壁３６が設けられ、溝３４と障壁３６と
によシ仕切シ手段が形成される。このようにオリｔ６
）
フィス２２と第１接点２０及び第２接点３０との間に障
壁３６を設けることによシ第１及び第２接点２０．３０
のオリフィス２２からこぼれでるインクによる汚れを更
に防止できる。FIG. 4 relates to a third embodiment of the present invention. In this third embodiment, an orifice 22 is provided on the side surface of the recording head 18, and a first contact point 20 is provided on the bottom surface of the recording head 18. A groove 34 is provided to separate one contact point 20 from the other. The carriage 14 on which the recording head 18 is mounted has a second contact 30 on its upper surface that contacts the first contact 2o, and a groove 3 of the recording head 18.
A barrier 36 is provided which engages the groove 34 and the barrier 36, and a partition means is formed between the groove 34 and the barrier 36. Ori t6 like this
) By providing a barrier 36 between the first contact 20 and the second contact 30, the first and second contacts 20,30
It is possible to further prevent stains caused by ink spilling from the orifice 22 of the printer.
第５図は本発明第４実施例に係り、この第４実施例では
側面にオリフィス２２を設は底面に第１接点２０を設け
た記録ヘッド１８を搭載するキャリジ１４を示したもの
で、該キャリジ１４の上面３２に第２接点３０を設け、
記録ヘッド１８がキャリジ１４に搭載された際に、オリ
フィス２２と第１．第２接点２０．３０とをしきるよう
にキャリジ１４の上面に仕切シ手段たる溝３８を形成す
る。この第４実施例によればオリフィス２２から流出し
たインクは溝３８によシ第１・第２接点２０．３０まで
到らず第１・第２接点２０．３０がオリフィス２２から
こぼれ落ちるインクにより汚れることは極めて少ない。FIG. 5 relates to a fourth embodiment of the present invention, and this fourth embodiment shows a carriage 14 on which a recording head 18 is mounted, which has an orifice 22 on the side surface and a first contact point 20 on the bottom surface. A second contact 30 is provided on the upper surface 32 of the carriage 14;
When the recording head 18 is mounted on the carriage 14, the orifice 22 and the first . A groove 38 serving as a partition means is formed on the upper surface of the carriage 14 so as to separate the second contact points 20 and 30. According to this fourth embodiment, the ink flowing out from the orifice 22 does not reach the first and second contacts 20.30 through the groove 38, but the first and second contacts 20.30 are affected by the ink spilling from the orifice 22. It rarely gets dirty.
以上詳細かつ具体的に説明した如く、本発明によれば、
オリフィスと電気的接点を異なる面に配置する記録ヘッ
ドをキャリジ上に搭載することによシ、オリフィスから
こぼれ落ちるインクによって電気的接点が汚れたシ、腐
蝕して接触不良を起こすことが防止でき、常に安定しだ
液滴の吐出状態を保つことができるという効果を奏する
。As described above in detail and specifically, according to the present invention,
By mounting the recording head on the carriage, which places the orifice and the electrical contact on different surfaces, it is possible to prevent the electrical contact from becoming dirty or corroded by ink that spills from the orifice, causing poor contact. This has the effect that a stable droplet ejection state can be maintained at all times.
第１図は本実施例に係る液体噴射記録装置の斜視図、第
２図〜第５図は夫々本発明の第１実施例〜第４実施例に
係るキャリジと記録ヘッドの斜視図である。
図において、
２・・・液体噴射記録装置、１４・・・キャリジ、１８
・・・液体噴射記録ヘッド、２０・・・記録ヘッド側電
気的接点、２２・・・オリフィス、３０・・・キャリジ
側電気的接点、３４・・・溝、３６・・・障壁、３８・
・・溝である。
第２図
２２
１Ｎ３図
＠ ４ 図
１！５図FIG. 1 is a perspective view of a liquid jet recording apparatus according to the present embodiment, and FIGS. 2 to 5 are perspective views of a carriage and a recording head according to the first to fourth embodiments of the present invention, respectively. In the figure, 2...liquid jet recording device, 14...carriage, 18
...Liquid jet recording head, 20... Recording head side electrical contact, 22... Orifice, 30... Carriage side electrical contact, 34... Groove, 36... Barrier, 38...
...It's a groove. Figure 2 22 Figure 1N3 @ 4 Figure 1! Figure 5
Claims (2)
れたオリアイスと前記液滴を形成する為に利用されるエ
ネルギーを発生するエネルギー発生体とを有する液体噴
射記録ヘッドを搭載して成る液体噴射記録装置において
、前記液体噴射記録ヘッドには前記オリアイスが設けら
れた面とは異なる面に前記エネルギー発生体へ入力され
る電気的接点が設けられているとともに被搭載部には該
液体噴射記録ヘッド搭載時に前記電気的接点に接続され
る電気的接点が設けられていることを特徴とする、液体
噴射記録装置。(1) Equipped with a liquid jet recording head that includes an oriice provided to eject liquid to form flying droplets, and an energy generator that generates energy used to form the droplets. In the liquid jet recording device, the liquid jet recording head is provided with an electrical contact for inputting to the energy generating body on a surface different from the surface on which the oriice is provided, and the mounted portion is provided with an electrical contact point for inputting the energy to the energy generator. A liquid jet recording apparatus, characterized in that an electrical contact is provided that is connected to the electrical contact when the liquid jet recording head is mounted.
け；キャリジ側電気的接点をΦヤリジの上面に設け；前
記記録ヘッド側電気的接点と前記キャリジ側電気的接点
の両接点と、前記記録ヘッドのオリフィスとを仕切る仕
切り手段を、前記記録ヘッドの底面及び前記キャリジの
上面のいずれかに設けることを特徴とする特許請求の範
囲第１項記載の一液体噴射記録装置。(2) For recording, a side electrical contact is provided on the bottom surface of the recording head; a carriage side electrical contact is provided on the top surface of the Φ spear; both the electrical contact on the recording head side and the electrical contact on the carriage side; 2. A liquid jet recording apparatus according to claim 1, wherein partitioning means for partitioning the orifice of the recording head is provided on either the bottom surface of the recording head or the top surface of the carriage.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59060581A JPH0757544B2 (en) | 1984-03-30 | 1984-03-30 | Liquid jet recording device |
| US06/715,413 US4635080A (en) | 1984-03-30 | 1985-03-25 | Liquid injection recording apparatus |
| DE3546913A DE3546913C2 (en) | 1984-03-30 | 1985-03-29 | Ink jet print head |
| DE3511699A DE3511699C2 (en) | 1984-03-30 | 1985-03-29 | Liquid jet recording device |
| GB08508495A GB2158778B (en) | 1984-03-30 | 1985-04-01 | Ink-jet printers |
| SG319/91A SG31991G (en) | 1984-03-30 | 1991-05-02 | Liquid injection recording head and liquid injection recording apparatus |
| HK399/91A HK39991A (en) | 1984-03-30 | 1991-05-23 | Liquid injection recording head and liquid injection recording apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59060581A JPH0757544B2 (en) | 1984-03-30 | 1984-03-30 | Liquid jet recording device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6050627A Division JP2567567B2 (en) | 1994-03-22 | 1994-03-22 | Liquid ejector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60204337A true JPS60204337A (en) | 1985-10-15 |
| JPH0757544B2 JPH0757544B2 (en) | 1995-06-21 |
Family
ID=13146346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59060581A Expired - Lifetime JPH0757544B2 (en) | 1984-03-30 | 1984-03-30 | Liquid jet recording device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0757544B2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55150372A (en) * | 1979-05-11 | 1980-11-22 | Seiko Epson Corp | Printer |
| JPS58104648U (en) * | 1982-01-13 | 1983-07-16 | 横河電機株式会社 | Inkjet head mechanism |
-
1984
- 1984-03-30 JP JP59060581A patent/JPH0757544B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55150372A (en) * | 1979-05-11 | 1980-11-22 | Seiko Epson Corp | Printer |
| JPS58104648U (en) * | 1982-01-13 | 1983-07-16 | 横河電機株式会社 | Inkjet head mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0757544B2 (en) | 1995-06-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |