JP2698617B2 - Liquid jet recording head and liquid jet recording apparatus - Google Patents

Liquid jet recording head and liquid jet recording apparatus

Info

Publication number
JP2698617B2
JP2698617B2 JP63184689A JP18468988A JP2698617B2 JP 2698617 B2 JP2698617 B2 JP 2698617B2 JP 63184689 A JP63184689 A JP 63184689A JP 18468988 A JP18468988 A JP 18468988A JP 2698617 B2 JP2698617 B2 JP 2698617B2
Authority
JP
Japan
Prior art keywords
recording head
liquid jet
jet recording
connection terminal
liquid
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.)
Expired - Lifetime
Application number
JP63184689A
Other languages
Japanese (ja)
Other versions
JPH0234341A (en
Inventor
雅実 池田
寛 中込
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP63184689A priority Critical patent/JP2698617B2/en
Publication of JPH0234341A publication Critical patent/JPH0234341A/en
Application granted granted Critical
Publication of JP2698617B2 publication Critical patent/JP2698617B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/14—Structure thereof only for on-demand ink jet heads

Landscapes

  • Ink Jet (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)

Description

【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、液体噴射記録ヘッドおよび液体噴射記録装
置に関し、詳しくは、液滴を吐出飛翔させ、被記録材上
に弾着させて記録を行うオン・デマンド型の液体噴射記
録ヘッドおよび液体噴射記録装置に関する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid jet recording head and a liquid jet recording apparatus, and more particularly to recording by ejecting droplets and ejecting them on a recording material. The present invention relates to an on-demand type liquid jet recording head and a liquid jet recording apparatus.

［従来の技術］ 従来、記録装置側の電気供給体に圧接する接続用端子
部を具え、その電気的接続により吐出エネルギー発生手
段に選択的に電気信号を供給するようにした液体噴射記
録ヘッドについては特開昭60−204333号公報や同60−20
4337号公報に開示されたものがある。しかして、これら
の記録ヘッドにおいては、いずれも記録液収容部（以下
でインクタンクという）を有しており、その筺体の一部
を突出させて、そこに接続用端子部を設けるか、あるい
はヘッドが組込まれたその筺体の一部に面に合わせて接
続用端子部を埋設するかしていた。2. Description of the Related Art Conventionally, there is provided a liquid jet recording head having a connection terminal portion which is in pressure contact with an electric supply body on a recording apparatus side, and which selectively supplies an electric signal to a discharge energy generating means by the electric connection. Are JP-A-60-204333 and JP-A-60-20
There is one disclosed in Japanese Patent No. 4337. Therefore, all of these print heads have a print liquid storage section (hereinafter, referred to as an ink tank), and a part of the housing is protruded to provide a connection terminal section, or A connection terminal portion is buried in a part of the housing in which the head is incorporated so as to match the surface.

このように構成された記録ヘッドでは、記録ヘッドの
装着時にその電気的接続が容易であり、かつ製造上から
も端子部の取付けがし易い利点があり、圧接力が得られ
易い。また、凸設した端子部を電気供給体によって挾持
させるようにしたものは、記録ヘッドを含めた全体の筺
体をそれによって保持させることができる。The recording head configured as described above has an advantage that the electrical connection is easy when the recording head is mounted, and the terminals can be easily attached from the manufacturing point of view, and a pressing force is easily obtained. In the case where the projecting terminal portion is sandwiched by the electric supply body, the entire housing including the recording head can be held thereby.

［発明が解決しようとする課題］ しかしながら、上述したような従来の液体噴射記録ヘ
ッドでは、端子部が記録ヘッドやインクタンクを収めた
筺体の外部に露出されており、他の物体と接触し易い構
成となっているので静電気が発生し易く、ために、その
着脱時に静電気によって記録ヘッド内の吐出エネルギー
発生手段が破損する虞があった。特に、吐出エネルギー
発生手段が薄膜抵抗体で形成されていたり、記録ヘッド
のインク吐出部にマトリックス配線が設けられ、ダイオ
ードやトランジスタが内蔵されているような液体噴射記
録ヘッドの場合は静電破壊され易い。[Problems to be Solved by the Invention] However, in the above-described conventional liquid jet recording head, the terminal portion is exposed outside the housing containing the recording head and the ink tank, so that it is easy to come into contact with other objects. Because of this configuration, static electricity is easily generated, and there is a possibility that the discharge energy generating means in the recording head may be damaged by the static electricity at the time of attachment and detachment. In particular, in the case of a liquid jet recording head in which the ejection energy generating means is formed of a thin film resistor, or a matrix wiring is provided in an ink ejection portion of the recording head, and a diode or a transistor is incorporated, electrostatic discharge is caused. easy.

更にまた、端子部に手が触れたりすることによって生
じる汚れにより記録ヘッドの誤動作や不吐出の要因とな
り、特に端子部が筺体の底部に露出されているような場
合は、記録時や回復動作時にインク吐出面を伝って流下
したインクが底部に流れ込み端子部やこれに接続される
電気供給体を損う虞があった。Furthermore, contamination caused by touching the terminal portion with the hand may cause malfunction or non-ejection of the recording head. Particularly, when the terminal portion is exposed at the bottom of the housing, the recording portion may be damaged during recording or recovery operation. There is a possibility that the ink that has flowed down along the ink ejection surface flows into the bottom and damages the terminal portion and the electric supply body connected thereto.

本発明の目的は、上述した従来の課題に着目し、その
解決を図るべく、抵抗体や半導体を有する場合でも静電
破壊やインクによる電極間の短絡等を発生する虞がな
く、また、端子部に手などが触れて汚したりすることの
ない信頼度の高い電気的接続が得られる液体噴射記録ヘ
ッドおよび液体噴射記録装置を提供することにある。An object of the present invention is to pay attention to the above-mentioned conventional problems, and to solve the problem, even if a resistor or a semiconductor is provided, there is no possibility that electrostatic breakdown or short-circuit between electrodes due to ink or the like may occur. It is an object of the present invention to provide a liquid jet recording head and a liquid jet recording apparatus capable of obtaining a highly reliable electrical connection without touching a portion with a hand or the like.

［課題を解決するための手段］ かかる目的を達成するために、本発明の記録ヘッド
は、記録液を吐出するための吐出口と該吐出口に対応し
て設けられ前記記録液を吐出するために利用されるエネ
ルギーを発生するエネルギー発生手段を有する記録ヘッ
ド部と、前記エネルギー発生手段に供給される電気信号
を装置側の接続端子から受け取る接続用端子部とを有す
る液体噴射記録ヘッドにおいて、前記液体噴射記録ヘッ
ドの前記吐出口が配された側と異なる側に、前記接続端
子が設けられた装置側の凸部が挿入される凹部が設けら
れており、該凹部の底面に前記装置側の凸部に設けられ
た前記接続端子と接続する前記接続用端子部が設けられ
ていることを特徴とする。Means for Solving the Problems In order to achieve this object, a recording head according to the present invention is provided with a discharge port for discharging a recording liquid and a discharge port provided corresponding to the discharge port for discharging the recording liquid. A recording head having an energy generating means for generating energy used for the recording head; and a connection terminal for receiving an electric signal supplied to the energy generating means from a connection terminal of the apparatus. On a side of the liquid jet recording head different from the side on which the ejection ports are arranged, a concave portion is provided in which a convex portion on the device side provided with the connection terminal is inserted. It is characterized in that the connection terminal portion connected to the connection terminal provided on the projection is provided.

ここで、前記装置側の凸部に嵌合する際に液体噴射記
録ヘッドと装置との位置決めを行う位置決め用の突起部
が前記凹部を構成する部材の一部に形成されていてもよ
い。Here, a positioning projection for positioning the liquid jet recording head and the apparatus when the projection is fitted to the projection on the apparatus side may be formed on a part of the member constituting the recess.

また、本発明の液体噴射記録装置は、記録液を吐出す
るための吐出口と該吐出口に対応して設けられ前記記録
液を吐出するために利用されるエネルギーを発生するエ
ネルギー発生手段を有する記録ヘッド部と、前記エネル
ギー発生手段に供給される電気信号を装置側の接続端子
から受け取る接続用端子部とを有する液体噴射記録ヘッ
ドと、該液体噴射記録ヘッドを駆動するための駆動回路
とを具えた液体噴射記録装置において、前記液体噴射記
録ヘッドの前記吐出口が配された側と異なる側に設けら
れると共に底面に前記接続用端子部が設けられた凹部に
対して嵌合自在であって、前記駆動回路からの信号を前
記接続用端子部に伝えるための接続端子を先端に備えた
凸部を有する信号供給部材が設けられたことを特徴とす
る。Further, the liquid jet recording apparatus of the present invention has a discharge port for discharging the recording liquid and an energy generating means provided corresponding to the discharge port and generating energy used for discharging the recording liquid. A liquid ejecting recording head having a recording head portion, a connection terminal portion for receiving an electric signal supplied to the energy generating means from a connection terminal on the device side, and a drive circuit for driving the liquid ejecting recording head. In the liquid jet recording apparatus provided, the liquid jet recording head is provided on a side different from the side on which the ejection ports are arranged, and can be freely fitted into a concave portion provided with the connection terminal portion on the bottom surface. And a signal supply member having a projection having a connection terminal for transmitting a signal from the drive circuit to the connection terminal portion.

ここで、前記装置側の凸部に嵌合する際に液体噴射記
録ヘッドと装置との位置決めを行う位置決め用の突起部
が前記凹部を構成する部材の一部に形成されていてもよ
い。Here, a positioning projection for positioning the liquid jet recording head and the apparatus when the projection is fitted to the projection on the apparatus side may be formed on a part of the member constituting the recess.

［作 用］ 本発明によれば、記録ヘッド部を保持する筺体の外部
のうち、記録ヘッド部の吐出口が配された側と異なる側
にその周囲から一段低くした凹部を設け、この凹部の底
面に記録ヘッド部への電気信号を受取るための接続用端
子部を露出させるように設けたので、先端に接続端子を
備えた信号供給部材の凸部をこの凹部に嵌合させること
によって、記録ヘッドの位置決めと共に双方の端子部間
を電気的接続状態に保つことができ、特に接続用端子部
を凹部に設けたことにより、記録ヘッドの交換時等に人
指が接触したりして汚れたり静電破壊や接触不良を起す
ようなことがなくなり、更には吐出面に付着したインク
が流れ込んで端子部を汚したり、飛翔液滴が付着して、
接触不良の原因となる虞がなくなった。[Operation] According to the present invention, a recess which is one step lower than the periphery thereof is provided on the side different from the side on which the ejection openings of the recording head are arranged, outside the housing holding the recording head. Since the connection terminal for receiving an electric signal to the recording head is provided on the bottom surface so as to be exposed, the projection of the signal supply member having the connection terminal at the tip is fitted into the recess, so that the recording is performed. The two terminals can be maintained in an electrically connected state together with the positioning of the head. Especially, the connection terminals are provided in the recesses, so that when the recording head is replaced, the finger touches or becomes dirty. Elimination of electrostatic destruction and poor contact will not occur.Furthermore, ink adhering to the ejection surface will flow and stain the terminals, and flying droplets will adhere,
The possibility of causing poor contact is eliminated.

［実施例］ 以下に、図面に基づいて本発明の実施例を詳細かつ具
体的に説明する。[Example] Hereinafter, an example of the present invention will be described in detail and specifically with reference to the drawings.

第１図は、本発明の一実施例を示す。ここで、１は着
脱自在なカートリッジ形態の記録ヘッドユニットであ
り、２はその筺体、３は筺体２の内部に設けられたイン
クタンクである。また、筺体２には不図示のエネルギー
発生手段を具えた記録ヘッド部４が組込まれており、そ
のインク吐出口５の配列が筺体２の被記録材と対向する
面に露出されている。６は筺体２の側面に設けられた凹
部であり、この凹部６の底面に第２図に示すようにして
信号用電極７の接続用端子部８が露出されている。FIG. 1 shows an embodiment of the present invention. Here, 1 is a recording head unit in the form of a detachable cartridge, 2 is its housing, and 3 is an ink tank provided inside the housing 2. The housing 2 incorporates a recording head unit 4 having energy generating means (not shown), and the arrangement of the ink ejection ports 5 is exposed on the surface of the housing 2 facing the recording material. Reference numeral 6 denotes a concave portion provided on the side surface of the housing 2, and the connection terminal portion 8 of the signal electrode 7 is exposed on the bottom surface of the concave portion 6 as shown in FIG.

一方、記録装置側の記録ヘッドユニット１の装着部に
は第２図に示すように凹部６の対向位置に凸部９を有す
る電気信号供給部材10が配設されており、電気信号供給
部材10にはその凸部９の上面に接続電極11の端子部12が
導かれてきて露出されている。On the other hand, as shown in FIG. 2, an electric signal supply member 10 having a convex portion 9 at a position opposite to the concave portion 6 is provided at a mounting portion of the recording head unit 1 on the recording apparatus side. The terminal 12 of the connection electrode 11 is guided to the upper surface of the projection 9 and is exposed.

なお、ここで、凹部６を設けるにあたっては、その開
口の幅を望ましくは1cm以下、好適には7mm以下とするこ
とによって人指が凹部６に差し入れられることがなくな
り、従って人指が端子部８に触れる虞がなくなる。更に
また、凹部６の深さをできるだけ深く形成しておくこと
により空中放電をなくすことができ、耐静電性を付与す
ることができる。When the recess 6 is provided, the width of the opening is desirably 1 cm or less, preferably 7 mm or less, so that a finger cannot be inserted into the recess 6. There is no danger of touching. Furthermore, by forming the recess 6 as deep as possible, air discharge can be eliminated, and electrostatic resistance can be imparted.

また、このように凹部６にヘッド部４の電気的接続部
を設けたことによって、人手に触れてその油を付着さ
せ、ヘッド部４の機能的な損傷を引起すようなことがな
くなるばかりでなく、腐食も防止され、更にはまた、飛
翔中のインク滴が浸入して短絡等による事故を発生させ
るのを防止することができる。In addition, by providing the electrical connection portion of the head portion 4 in the concave portion 6 in this manner, the oil is not touched by hand and the functional portion of the head portion 4 is not only caused to be functionally damaged. In addition, corrosion can be prevented, and furthermore, it is possible to prevent an ink droplet during flight from entering and causing an accident due to a short circuit or the like.

なお、記録ヘッドユニット１を記録装置に装着するに
あたっては、電気信号供給部材10の凸部９を記録ヘッド
ユニット１の凹部６に押込むようになし、要すればばね
等の弾性部材（図示せず）によって筺体２自体を部材10
に向けて偏倚させるようにすればよく、凹部６と凸部９
との嵌合によって正確に記録ヘッド部４を所定の記録位
置に保つことができる。かくして装着された記録ヘッド
ユニット１においては電気信号供給部材10を介して供給
される信号に応じてインク吐出口５からインクを吐出さ
せ、不図示の被記録材上に記録を行うことができる。When the recording head unit 1 is mounted on the recording apparatus, the projections 9 of the electric signal supply member 10 are pressed into the depressions 6 of the recording head unit 1, and if necessary, elastic members such as springs (not shown). The housing 2 itself is
The concave portion 6 and the convex portion 9 may be used.
The recording head unit 4 can be accurately maintained at a predetermined recording position by fitting with the recording head unit 4. In the recording head unit 1 thus mounted, ink can be ejected from the ink ejection port 5 in accordance with a signal supplied via the electric signal supply member 10, and recording can be performed on a recording material (not shown).

第３図は本発明の他の実施例を示す。本例は信号電極
７の端子部８（第２図参照）を露出させた凹部６と接す
る筺体２の端縁に位置決め用の突起部13を設けたもの
で、その他の構成については第１の実施例とは変わらな
い。このように構成した記録ヘッドユニット１において
は、ユニット１を矢印方向にスライドさせて所定の位置
に装着する際に、電気信号供給部材10に凸部９がこの突
起部13に当接することによって、双方間の相対的な取付
け位置を確認することができ、端子部間の接触を確実な
ものとして接触不良に起因する各種のトラブルを除くこ
とができる。FIG. 3 shows another embodiment of the present invention. In this example, a positioning projection 13 is provided at the edge of the housing 2 in contact with the concave portion 6 exposing the terminal portion 8 (see FIG. 2) of the signal electrode 7, and the other configuration is the first. It is not different from the embodiment. In the recording head unit 1 configured as described above, when the unit 1 is slid in the direction of the arrow and mounted at a predetermined position, the protrusion 9 contacts the protrusion 13 on the electric signal supply member 10, It is possible to confirm the relative mounting position between the two terminals, and it is possible to ensure the contact between the terminal portions and eliminate various troubles caused by poor contact.

第4A図は本発明の更に他の実施例を示す。本例は筺体
２に設ける凹部６にスライド式の蓋部材14を設けたもの
である。この蓋部材14は溝15に沿って矢印方向に移動自
在に構成されており、装着前では例えば不図示のばねの
ばね力により凹部６を覆蓋するように保たれる。なお、
16は凹部６の壁面から部分的に突出された位置決め部材
であり、後述するようにして電気信号供給部材10（第4B
図に示す）との間に電気的接続がなされた状態で部材10
の凸部９に設けた位置決め溝17と係合する。FIG. 4A shows still another embodiment of the present invention. In this embodiment, a sliding lid member 14 is provided in the concave portion 6 provided in the housing 2. The lid member 14 is configured to be movable in the direction of the arrow along the groove 15, and is held so as to cover the concave portion 6 by, for example, the spring force of a spring (not shown) before being mounted. In addition,
Numeral 16 designates a positioning member which partially protrudes from the wall surface of the concave portion 6, and which will be described later.
(Shown in the figure) with the electrical connection made between
Engages with the positioning groove 17 provided in the projection 9.

なお、蓋部材14はアルミニウム,SUS,鋼，真鍮，メッ
キ銅板等の金属製、あるいはノリル，アクリル，塩ビ,A
BS等の樹脂系材料製等いずれであってもよく、要は凹部
６を覆蓋し、端子部８に人体等が触れるのを防止できる
ものであればよい。また、その他の構成については第１
図や第３図に示した例に準ずるものとする。The lid member 14 is made of metal such as aluminum, SUS, steel, brass, plated copper plate, or Noryl, acrylic, PVC, A
It may be made of any resin-based material such as BS or the like. In short, any material may be used as long as it covers the recess 6 and can prevent the terminal 8 from touching the human body or the like. For other configurations, refer to
It is assumed that the example shown in FIG.

このように構成した記録ヘッドユニットでは、筺体２
を第4B図で矢印方向から所定の位置に装着する際に電気
信号供給部材10の先端部が例えば蓋部材14に設けた不図
示の突起に係合し、蓋部材14をばね力に抗して引き開け
ると共に、筺体２の凹部６に電気信号供給部材10の凸部
９が案内されて嵌り込み、位置決め部材16と位置決め溝
17とが係合して双互間の位置決め状態が確保される。In the recording head unit configured as above, the housing 2
4B, the distal end portion of the electric signal supply member 10 engages with a projection (not shown) provided on the lid member 14, for example, so that the lid member 14 resists a spring force. And the protrusion 9 of the electric signal supply member 10 is guided and fitted into the recess 6 of the housing 2, and the positioning member 16 and the positioning groove
17 are engaged with each other to ensure the mutual positioning.

第5A図〜第5C図は凹部６の断面を各種の異なる形状と
した例を示す。すなわち、第5A図に示す断面の場合は、
電気信号供給部材の凸部形状をこれに対応して形成する
ことにより互いに電気的接触が得られ易くなる。また、
第5B図に示す断面形状とした場合は、凸部の断面を凹部
６の狭い開口部形状に合わせる必要があるが人指等が中
に入りにくく、不注意に端子部８と接触するのを防止す
る効果がある。更にまた、第5C図に示す例は凹部６の片
方の壁の高さを他方より高くしたもので、電気信号供給
部材との間の位置合せがし易く、また第4A図に示す形態
の例に適用した場合は蓋部材14の戸当りを代用させるこ
とができる。5A to 5C show examples in which the cross section of the concave portion 6 has various different shapes. That is, in the case of the cross section shown in FIG. 5A,
By forming the convex portions of the electric signal supply members correspondingly, it is easy to obtain electrical contact with each other. Also,
In the case of the cross-sectional shape shown in FIG. 5B, it is necessary to adjust the cross-section of the convex portion to the narrow opening shape of the concave portion 6; It has the effect of preventing. Further, the example shown in FIG. 5C is one in which the height of one wall of the concave portion 6 is higher than the other, so that the alignment with the electric signal supply member is easy, and the example shown in FIG. 4A In the case of applying to the above, the door stop of the lid member 14 can be substituted.

なお、本発明の適用はエッジシュータ型の記録方式に
限らずサイドシュータ型の記録方式にも可能であり、同
様な効果が得られることは勿論である。また、記録ヘッ
ド部の端子に人指などが接触して汚すことを防止するこ
とができる点では抵抗体や半導体等が組込まれていない
記録ヘッド部においても得られる効果である。The present invention can be applied not only to the edge shooter type recording method but also to the side shooter type recording method, and it is needless to say that the same effect can be obtained. In addition, it is possible to prevent a finger or the like from coming into contact with the terminals of the recording head to prevent the terminal from being soiled.

更にまた、以上に説明した実施例では筺体に凹部を設
け、この凹部内に電極の端子が露出されるようにした
が、このような凹部は電極の端子を取り囲むようにして
その周囲の筺体を堰状に高く形成し、このように形成し
た堰体によってその中央部に凹部形成することもでき
る。また、凹部６の形成位置は第１図に示したように筺
体２の側面に限られるものではなく、下面や後面等イン
クの侵入や人指にふれる虞のない適切な位置であればど
のような位置であってもよい。Furthermore, in the embodiment described above, the housing is provided with a concave portion, and the terminal of the electrode is exposed in the concave portion. However, such a concave portion surrounds the terminal of the electrode so as to surround the housing around the electrode. It is also possible to form it high in the shape of a weir, and to form a concave part in the center part by the weir body thus formed. Further, the formation position of the concave portion 6 is not limited to the side surface of the housing 2 as shown in FIG. Position.

［発明の効果］ 以上説明してきたように、本発明によれば、エネルギ
ー発生手段に供給する電気信号を外部から受取るための
接続用端子部を筺体のうち吐出口が配された側と異なる
側にその周囲の面より低くした凹部に露出させるように
したので、記録ヘッドの交換時等に端子部に人指や物体
が触れて静電気によりエネルギー発生手段に損傷を与え
たり、端子群を汚して接触不良を起すのを防止すること
ができ、簡単な構造で特に低湿下での効果的な耐静電対
策が得られる。[Effects of the Invention] As described above, according to the present invention, a connection terminal portion for receiving an electric signal supplied to the energy generating means from the outside is provided on a side of the housing different from the side on which the discharge port is provided. The terminal is exposed to the concave part lower than the surrounding surface, so that when replacing the recording head, a finger or an object touches the terminal part to damage the energy generating means by static electricity or to stain the terminal group. Poor contact can be prevented, and effective anti-static measures can be obtained with a simple structure, especially under low humidity.

また、記録時や回復時、あるいは待機時にインクが吐
出面を伝って接続用端子部を濡らしたり、飛翔液滴が付
着するのを防止することができ、更にまた、繰返しの着
脱によっても常に正確な位置合せが得られることによっ
て、信頼度の高い電気的接続状態を保持することができ
る。In addition, during recording, recovery, or standby, ink can be prevented from wetting the connection terminals along the ejection surface and preventing flying droplets from adhering. As a result, a highly reliable electrical connection state can be maintained.

【図面の簡単な説明】[Brief description of the drawings]

第１図は本発明液体噴射記録ヘッドの構成の一例を示す
斜視図、 第２図は本発明にかかる端子部と電気信号供給部材との
接続状態を示す断面図、 第３図は本発明の他の実施例を示す斜視図、 第4A図および第4B図は本発明の更に他の実施例による端
子部近傍の断面図およびその端子部と電気供給部材との
接続状態を示す断面図、 第5A図〜第5C図はそれぞれ異なる形態の凹部とした例を
示す端子部近傍の断面図である。 １……記録ヘッドユニット、 ２……筺体、 ３……インクタンク、 ４……記録ヘッド部、 ５……インク吐出部、 ６……凹部、 ７……電極、 8,12……端子部、 ９……凸部、 10……電気信号供給部材、 11……接続用電極、 14……蓋部材。FIG. 1 is a perspective view showing an example of the configuration of the liquid jet recording head of the present invention, FIG. 2 is a cross-sectional view showing a connection state between a terminal portion and an electric signal supply member according to the present invention, and FIG. FIGS. 4A and 4B are perspective views showing another embodiment, FIGS. 4A and 4B are cross-sectional views showing the vicinity of a terminal portion according to still another embodiment of the present invention, and cross-sectional views showing a connection state between the terminal portion and an electric supply member. FIGS. 5A to 5C are cross-sectional views of the vicinity of the terminal portion showing examples of different shapes of concave portions. DESCRIPTION OF SYMBOLS 1 ... Recording head unit, 2 ... Housing, 3 ... Ink tank, 4 ... Recording head part, 5 ... Ink ejection part, 6 ... Concave part, 7 ... Electrode, 8,12 ... Terminal part, 9 ... convex part, 10 ... electric signal supply member, 11 ... connection electrode, 14 ... lid member.

Claims (4)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】記録液を吐出するための吐出口と該吐出口
に対応して設けられ前記記録液を吐出するために利用さ
れるエネルギーを発生するエネルギー発生手段を有する
記録ヘッド部と、 前記エネルギー発生手段に供給される電気信号を装置側
の接続端子から受け取る接続用端子部とを有する液体噴
射記録ヘッドにおいて、 前記液体噴射記録ヘッドの前記吐出口が配された側と異
なる側に、前記接続端子が設けられた装置側の凸部が挿
入される凹部が設けられており、該凹部の底面に前記装
置側の凸部に設けられた前記接続端子と接続する前記接
続用端子部が設けられていることを特徴とする液体噴射
記録ヘッド。A recording head section comprising: a discharge port for discharging a recording liquid; and an energy generating means provided corresponding to the discharge port for generating energy used for discharging the recording liquid; A connection terminal portion for receiving an electric signal supplied to the energy generating means from a connection terminal on the apparatus side, wherein the liquid ejection recording head has a side different from the side on which the ejection ports are arranged, A concave portion into which the convex portion on the device side provided with the connection terminal is inserted is provided, and the connection terminal portion connected to the connection terminal provided on the convex portion on the device side is provided on the bottom surface of the concave portion. A liquid jet recording head, comprising: 【請求項２】記録液を吐出するための吐出口と該吐出口
に対応して設けられ前記記録液を吐出するために利用さ
れるエネルギーを発生するエネルギー発生手段を有する
記録ヘッド部と、前記エネルギー発生手段に供給される
電気信号を装置側の接続端子から受け取る接続用端子部
とを有する液体噴射記録ヘッドと、該液体噴射記録ヘッ
ドを駆動するための駆動回路とを具えた液体噴射記録装
置において、 前記液体噴射記録ヘッドの前記吐出口が配された側と異
なる側に設けられると共に底面に前記接続用端子部が設
けられた凹部に対して嵌合自在であって、前記駆動回路
からの信号を前記接続用端子部に伝えるための接続端子
を先端に備えた凸部を有する信号供給部材が設けられた
ことを特徴とする液体噴射記録装置。2. A recording head section comprising: a discharge port for discharging a recording liquid; and an energy generating means provided corresponding to the discharge port and generating energy used for discharging the recording liquid; A liquid jet recording apparatus comprising: a liquid jet recording head having a connection terminal for receiving an electric signal supplied to the energy generating means from a connection terminal on the apparatus side; and a driving circuit for driving the liquid jet recording head. In the liquid ejecting recording head, the liquid ejecting recording head is provided on a side different from the side on which the ejection ports are arranged, and is fittable into a concave portion provided with the connection terminal portion on the bottom surface, and is provided from the drive circuit. A liquid jet recording apparatus, comprising: a signal supply member having a projection provided at a tip thereof with a connection terminal for transmitting a signal to the connection terminal portion. 【請求項３】前記装置側の凸部に嵌合する際に液体噴射
記録ヘッドと装置との位置決めを行う位置決め用の突起
部が前記凹部を構成する部材の一部に形成されているこ
とを特徴とする請求項１記載の液体噴射記録ヘッド。3. A positioning projection for positioning the liquid jet recording head and the apparatus when the projection is fitted to the projection on the apparatus side is formed on a part of the member constituting the recess. 2. The liquid jet recording head according to claim 1, wherein: 【請求項４】前記装置側の凸部に嵌合する際に液体噴射
記録ヘッドと装置との位置決めを行う位置決め用の突起
部が前記凹部を構成する部材の一部に形成されているこ
とを特徴とする請求項２記載の液体噴射記録装置。4. A positioning projection for positioning the liquid jet recording head and the apparatus when the projection is fitted to the projection on the apparatus side is formed on a part of the member constituting the recess. 3. The liquid jet recording apparatus according to claim 2, wherein:
JP63184689A 1988-07-26 1988-07-26 Liquid jet recording head and liquid jet recording apparatus Expired - Lifetime JP2698617B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63184689A JP2698617B2 (en) 1988-07-26 1988-07-26 Liquid jet recording head and liquid jet recording apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63184689A JP2698617B2 (en) 1988-07-26 1988-07-26 Liquid jet recording head and liquid jet recording apparatus

Publications (2)

Publication Number Publication Date
JPH0234341A JPH0234341A (en) 1990-02-05
JP2698617B2 true JP2698617B2 (en) 1998-01-19

Family

ID=16157651

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63184689A Expired - Lifetime JP2698617B2 (en) 1988-07-26 1988-07-26 Liquid jet recording head and liquid jet recording apparatus

Country Status (1)

Country Link
JP (1) JP2698617B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5023488B2 (en) * 2005-03-09 2012-09-12 セイコーエプソン株式会社 Device mounting structure and device mounting method, droplet discharge head, drive unit, and semiconductor device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3012239C2 (en) * 1980-03-28 1982-05-27 Siemens AG, 1000 Berlin und 8000 München Connectors
JPS61256698A (en) * 1985-05-09 1986-11-14 松下電器産業株式会社 Loader/unloader for electronic equipment cubicle
JPH0612628Y2 (en) * 1986-12-17 1994-03-30 キヤノン株式会社 Electronics
JPS63165150A (en) * 1986-12-26 1988-07-08 Ricoh Co Ltd Charge control type ink jet printing apparatus

Also Published As

Publication number Publication date
JPH0234341A (en) 1990-02-05

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