JPH0278588A - Recording head - Google Patents
Recording headInfo
- Publication number
- JPH0278588A JPH0278588A JP23079788A JP23079788A JPH0278588A JP H0278588 A JPH0278588 A JP H0278588A JP 23079788 A JP23079788 A JP 23079788A JP 23079788 A JP23079788 A JP 23079788A JP H0278588 A JPH0278588 A JP H0278588A
- Authority
- JP
- Japan
- Prior art keywords
- carriage
- recording head
- opening
- contact
- closing member
- 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
- 230000009545 invasion Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract 1
- 238000007639 printing Methods 0.000 description 12
- 230000005611 electricity Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/12—Guards, shields or dust excluders
Landscapes
- Impact Printers (AREA)
- Common Mechanisms (AREA)
- Ink Jet (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、シリアル式の記録装置において、キャリッジ
上に着脱自在にかつ電気的結合状態で装着される使い捨
て式（交換式）の記録ヘッドに関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a disposable (replaceable) recording head that is detachably mounted on a carriage in an electrically connected state in a serial recording apparatus. .
プリンタやファクシミリなどの記録装置としてシート送
り方向に並べた複数の印字素子を有する記録ヘッドで印
字桁方向に走査しながら、前記印字素子を印字データに
基づいて駆動することにより、シート上にドツトイメー
ジを形成してい（シリアル式の記録装置が使用されてい
る。As a recording device such as a printer or facsimile, a dot image is created on a sheet by scanning in the printing digit direction with a recording head having a plurality of printing elements arranged in the sheet feeding direction and driving the printing elements based on printing data. (A serial recording device is used.
前記印字素子は、インクジェットヘッドの場合はインク
吐出口で、サーマルヘッドの場合は発熱素子で、ワイヤ
ドツトヘッドの場合はドツトヮイヤで、それぞれ構成さ
れ、駆動時（オン）で黒ドツトを印字するよう動作する
。The printing element is composed of an ink ejection port in the case of an inkjet head, a heating element in the case of a thermal head, and a dot wire in the case of a wire dot head, and operates to print a black dot when driven (on). do.
ところで、最近、保守点検時の取扱い性の向上を目的と
して、キャリッジに対し着脱自在にかつ電気的結合状態
で装着される記録ヘッド、すなわちワンタンチで取付は
取り外しが可能な使い捨て式の記録ヘッドが使用される
ようになってきた。By the way, recently, with the aim of improving handling during maintenance and inspection, a recording head that is removably attached to the carriage and electrically connected, that is, a disposable recording head that can be attached and detached with a single touch, has been used. It's starting to be done.
しかし、従来のこの種の使い捨て式の記録ヘッドにおい
ては、構造上、電気的結合部（コンタクト）は、キャリ
ッジ側のコンタクトとの接触を確、 実にするためも
あって、密封することはできず、外部へ開放した状態で
設けられていたので、人体の静電気等が電極を介して放
電し回路基板等が静電破壊するおそれがあり、また、コ
ンタクト部の表向に汚れが生じて接触不良を起こし、コ
ンタクトの信頼性が低下しやすいなどの問題があった。However, in conventional disposable recording heads of this type, the electrical connection parts (contacts) cannot be sealed because they are required to make sure contact with the contacts on the carriage side. , since it was installed in an open state to the outside, static electricity from the human body could be discharged through the electrodes, causing electrostatic damage to the circuit board, etc. Also, dirt could form on the surface of the contact area, resulting in poor contact. There were problems such as the reliability of contact tending to deteriorate.
本発明は、上記従来技術の問題点に鑑みなされたもので
あり、コンタクト部（電極部）の表面よごれを防止でき
、かつ、人体の静電気等から回路基板などを保護しうる
使い捨て式の記録ヘッドを提供することを目的とする。The present invention has been made in view of the problems of the prior art described above, and provides a disposable recording head that can prevent the surface of the contact part (electrode part) from getting dirty and can protect the circuit board etc. from static electricity of the human body. The purpose is to provide
本発明は、キャリッジに対し着脱自在かつ電気的結合状
態で装着される記録ヘッドにおいて、キャリッジから取
り外すと電気的結合部を被う位置へ自動的に復帰し、キ
ャリッジに取付けると電気的結合部を開放する位置へ強
制的に移動させられるばね付勢式の開閉部材を備えて成
る構成により、上記目的を達成するものである。The present invention provides a recording head that is removably attached to a carriage and is electrically connected to the carriage, and when removed from the carriage, the recording head automatically returns to a position covering the electrical coupling part, and when attached to the carriage, the electrical coupling part is closed. The above object is achieved by a configuration including a spring-biased opening/closing member that is forcibly moved to an open position.
〔実施例〕 以下図面を参照して本発明を具体的に説明する。〔Example〕 The present invention will be specifically described below with reference to the drawings.
第７図は本発明による記録ヘッドを使用するのに好適な
記録装置の模式的斜視図である。FIG. 7 is a schematic perspective view of a recording apparatus suitable for using the recording head according to the present invention.
第７図において、上下に所定間隔をおいて設置さｎ、た
シート送りローラｌ、２を通して矢申入方向にシーＩ・
送りされるシート（用紙やブラスチンク薄１及などの記
録媒体）３の前方に、ガイド輔４．４Ｑこ沿って移動す
るキャリッジ５が設けられ、該キャリッジ５上に記録ヘ
ッド６が着脱自在に装着されている。In FIG. 7, the sheet I and the sheet feed rollers L and 2 are installed vertically at a predetermined interval, and
A carriage 5 that moves along a guide shaft 4.4Q is provided in front of the sheet 3 to be fed (recording medium such as paper or brass tink thin film) 3, and a recording head 6 is detachably mounted on the carriage 5. has been done.
この記録ヘッド６は、インクジェットヘッドの場合を例
示し、その前面にはインク滴を噴射する複数個のインク
吐出口（オリフィス）が形成されてるり、前記シート３
に対し例えばＱ、３ｍｓ程度の間隙をおいて印字桁方向
に走査するよう装着されている。The recording head 6 is an inkjet head, and has a plurality of ink ejection openings (orifices) formed on its front surface for ejecting ink droplets, and the sheet 3.
For example, Q is mounted so as to scan in the direction of the printed digits with a gap of about 3 ms.
前記キャリフジ５はキャリッジ駆動モータ８によりヘル
ド伝動機構９を介して矢印Ｐ方向に往復駆動される。The carriage 5 is reciprocated in the direction of arrow P by a carriage drive motor 8 via a heald transmission mechanism 9.
前記キャリッジ５と記録装置の制御回路との間に電力供
給および信号伝送用のフレキシブルケーブル７が接続さ
れている。A flexible cable 7 for power supply and signal transmission is connected between the carriage 5 and the control circuit of the recording apparatus.
記録に際しては、前記キャリッジ５の印字桁方向移動に
同期して、記録ヘッド６の各インク吐出口の駆動素子（
エネルギー変換体）を印字データに基づいて駆動するこ
とにより、各インク吐出口からシート３へ向かう飛翔的
インク滴を形成しながら、イメージドツトを記録してい
く。During recording, in synchronization with the movement of the carriage 5 in the print digit direction, the driving elements (
By driving the energy converter) based on print data, image dots are recorded while forming flying ink droplets from each ink ejection port toward the sheet 3.
記録終了後、記録ヘッド６は記録範囲外のホームポジシ
ョンＨＰに停止させられる。このホームポジションＨＰ
には、インク吐出口が形成された面を密閉するキャンピ
ング機能並びに必要に応じてインク吐出口からインクを
ポンプ吸引するインク回復機能を備えた回復装置１０が
設けられている。After the recording is completed, the recording head 6 is stopped at a home position HP outside the recording range. This home position HP
is provided with a recovery device 10 having a camping function for sealing the surface on which the ink ejection ports are formed, and an ink recovery function for pumping and suctioning ink from the ink ejection ports as needed.
前記記録ヘッド６は、キャリフジ５に対し、着脱自在か
つ電気的結合状態で装着されている。The recording head 6 is detachably attached to the carriage 5 in an electrically connected state.
また、この記録ヘッド６には前記電気的結合状態を得る
ためのコンタクトすなわち導電性の電極から成る電気接
触部が設けられているが、このコンタクトはシャッター
あるいはカバーに相当する開閉部材によって保護されて
いる。Further, this recording head 6 is provided with a contact for obtaining the electrical connection state, that is, an electrical contact portion made of a conductive electrode, but this contact is protected by an opening/closing member corresponding to a shutter or a cover. There is.
この開閉部材は、記録ヘッド６をキャリッジ５から取外
すと前記コンタクトを被う位置へ自動的にＩＭ帰し、該
記録ヘッド６をキャリッジ５に取付けると該コンタクト
を開放し電気的結合を可能にする位置・＼強制的に移動
させられるばね付勢式のカバ一部材で構成される。When the recording head 6 is removed from the carriage 5, this opening/closing member automatically returns the IM to a position covering the contacts, and when the recording head 6 is attached to the carriage 5, the opening/closing member opens the contacts and enables electrical connection.・Consists of a spring-loaded cover member that is forcibly moved.
第１図は本発明による記録ヘッドの一実施例の斜視図で
あり、第２図は第１図の記録ヘッドの断面図であり、第
３図は第１図の記録ヘッドをキャリッジに装着した時の
断面図である。FIG. 1 is a perspective view of an embodiment of the recording head according to the present invention, FIG. 2 is a sectional view of the recording head of FIG. 1, and FIG. 3 is a diagram showing the recording head of FIG. 1 mounted on a carriage. FIG.
第１図〜第３図において、キャリッジ５に対して着脱自
在に装着される記録ヘッド６は、全体として筐形をして
おり、ヘッドケース１１の前面ｌＩＡにはシート送り方
向（縦方向）に並べられた複数（例えば６４あるいは１
２８）の印字素子１２が設けられている。図示の例はイ
ンクジェットヘッドの場合を示し、各印字素子１２はケ
ース１１内部に設けられた共通液室に通じるインク通路
の先端開口から成るインク吐出口で構成されている。In FIGS. 1 to 3, the recording head 6 that is detachably attached to the carriage 5 has a housing shape as a whole, and the front surface lIA of the head case 11 has a housing that extends in the sheet feeding direction (vertical direction). Arranged plurality (e.g. 64 or 1
28) printing element 12 is provided. The illustrated example shows the case of an inkjet head, and each printing element 12 is constituted by an ink discharge port consisting of an opening at the end of an ink passage communicating with a common liquid chamber provided inside the case 11.
前記ヘッドケース１１の内部には、各印字素子１２の駆
動回路に電力供給および信号伝送をするためのコンタク
ト（導電性の電気接触部）１３が設けられており、ヘッ
トケースＩＩの該コンタクト１３の直前部分には該コン
タクト１３を外部へ開放するための窓１４が形成されて
いる。Inside the head case 11, contacts (conductive electrical contacts) 13 are provided for supplying power and signal transmission to the drive circuit of each printing element 12, and the contacts 13 of the head case II are provided. A window 14 for opening the contact 13 to the outside is formed at the front portion.
前記窓１４にはシャッター式の開閉部材１５が開閉（ス
ライド）可能に装着されている。この開閉部材１５は、
ばね１６によってコンタクト１３前面を閉塞する位置（
第２図）へ付勢されており、その係合部１７等にばね１
６に打勝つ上向き外力が作用した時だけ開放され、前記
コンタクト１３を外部へ露出させうる構造になっている
。A shutter-type opening/closing member 15 is attached to the window 14 so as to be openable/closed (slidable). This opening/closing member 15 is
The position where the front surface of the contact 13 is closed by the spring 16 (
(Fig. 2), and a spring 1 is applied to the engaging portion 17, etc.
The contact 13 is opened only when an upward external force that overcomes the contact 6 is applied, and the contact 13 is exposed to the outside.
また、ヘッドケース１１の他の面（図示の例では窓１４
の反対側の面）には、記録ヘット６をキャリ、ジ５上に
位置決め保持するための掛止用凹部１８が形成されてい
る。In addition, other surfaces of the head case 11 (in the illustrated example, the window 14
A locking recess 18 for positioning and holding the recording head 6 on the carriage 5 is formed on the opposite surface of the recording head 6 .
一方、以上の記録ヘッド６を保持する方のキャリッジ５
には、前記開閉部材１５の下端係合部１７に衝当して弁
開閉部材１５をばね１６に抗して開放位置（第３図）・
＼強制的に移動させる係合部２１と、・・・ラドケース
１１の前記掛止用凹部１８に掛＋ｈして記録ヘッド６を
位置決め保持する掛止部２２と、開放された前記窓１４
を通して前記コンタクト１３に対し所定の位置関係で押
圧接触するごとにより電気的結合状態を得るキャリッジ
５側のコンタクト２３とが設けられている。On the other hand, the carriage 5 that holds the above recording head 6
In this case, the valve opening/closing member 15 is moved to the open position (FIG. 3) against the lower end engaging portion 17 of the opening/closing member 15 against the spring 16.
＼An engaging part 21 that forcibly moves, a latching part 22 that engages with the latching recess 18 of the Rad Case 11 to position and hold the recording head 6, and the opened window 14.
A contact 23 on the carriage 5 side is provided which obtains an electrically connected state each time it comes into pressure contact with the contact 13 in a predetermined positional relationship through the contact 23.
この場合、前記１４）止部２２ｉ；よびコンタクト２３
は図示の側では板ばね当の弾性材で作られており、その
基部でキャリッジ５に固定されている。In this case, the above 14) stop portion 22i; and the contact 23
is made of elastic material with leaf springs on the side shown and is fixed to the carriage 5 at its base.
こうして、キャリッジ５に対し着脱自在にかつ電気的結
合状態で装着される記録ヘッド６において、キャリッジ
５から上方へ引抜（ように取外すと、開閉部材１５が電
気的結合部（コンタクト）１３を被う位置へばね１６に
よって自動的に復帰し、キャリッジ５に対し上方から下
向きに押付けるようにして取付けると第３図に示すごと
く開閉部材１５が電気的結合部（コンタクト １３を開
放する位置（持ち上げ位置）へ強制的に移動させられる
ばね付勢式の開閉部材（シャッタあるいはカバー状の被
い部材）１５を備えて成る記録ヘッド６が構成されてい
る。In this way, when the recording head 6 is detachably attached to the carriage 5 and is electrically connected, when it is pulled upward from the carriage 5, the opening/closing member 15 covers the electrical connection part (contact) 13. When the opening/closing member 15 is automatically returned to the position by the spring 16 and is attached to the carriage 5 by pressing it downward from above, the opening/closing member 15 moves to the position where the electrical connection part (the contact 13 is opened (the lifting position) as shown in FIG. ) A recording head 6 is constructed which includes a spring-biased opening/closing member (shutter or cover-like covering member) 15 that is forcibly moved to the position shown in FIG.
以上第１図〜第３図で説明した実施例によれば、キャリ
ッジ５に対し着脱自在の使い捨て式の記録ヘッド６であ
って、取外し時に、開閉部材１５でコンタクト１３を自
動的に被ってしまうことにより、はこりの進入や指との
接触などによるコンタクト表面の汚れを防止することが
でき、さらに人体の静電気等による静電破壊から有効に
保護しうる記録ヘッドが得られた。According to the embodiment described above with reference to FIGS. 1 to 3, the disposable recording head 6 is detachable from the carriage 5, and when detached, the opening/closing member 15 automatically covers the contacts 13. As a result, a recording head was obtained which could prevent the contact surface from becoming contaminated due to entry of lumps or contact with fingers, and could also effectively protect against electrostatic damage caused by static electricity of the human body.
第４図は本発明による記録ヘッド６の別の実施例の底面
から見た斜視図であり、第５図は第４図の記録ヘッド６
をキャリッジ５上の装着位置へ押し込む１１ｆの状態を
示す模式的断面図であり、第６図は第４図の記録ヘッド
６をキャリッジ５上の装着位置へ押し込んで取付けた状
態を示す模式的断面図であ。4 is a bottom perspective view of another embodiment of the recording head 6 according to the present invention, and FIG. 5 is a perspective view of the recording head 6 of FIG. 4.
6 is a schematic cross-sectional view showing a state in which the recording head 11f of FIG. 4 is pushed into the mounting position on the carriage 5 and attached. FIG. In the diagram.
第４図〜第６図において、キャリッジ５に対して着脱自
在に装着される記録ヘッド６は、全体として筺形をして
おり、ヘッドケース３１の前面３ＩＡには複数（例えば
３２または６４）の印字素子３２を縦方向に並べて構成
された印字素子列が２列設けられている。図示の例はイ
ンクジェットへ７ドの場合を示し、各印字素子３２はケ
ース３１の内部に設けられた共通液室に通じるインク通
路の先端開口から成るインク吐出口で構成されている。4 to 6, the recording head 6, which is detachably attached to the carriage 5, has a housing shape as a whole, and a plurality of (for example, 32 or 64) recording heads are arranged on the front surface 3IA of the head case 31. Two printing element rows are provided in which printing elements 32 are arranged vertically. The illustrated example shows the case of seven inkjet printers, and each printing element 32 is constituted by an ink discharge port consisting of an opening at the end of an ink passage leading to a common liquid chamber provided inside the case 31.
前記ヘッドケース３１の前面３］Ａの前記印字素子３２
の配列部の下側には、該印字素子３２の駆動回路に対す
る電力供給および信号伝達を行うためのコンタクｈ （
導電性の電気接触部）３３が設けられζいる。The printing element 32 of the front surface 3]A of the head case 31
A contact h (
A conductive electrical contact 33 is provided.
前記へラドケース３Ｉの底面３１Ｂから前面３１Ａへか
けての両側にはリブ３４．３４が形成され、各リブ３４
．３４の内面に形成された案内溝３５．３５にはシャッ
ター状の可撓性の開閉部３６の両側縁部が慴動自在に案
内保持されている。Ribs 34 and 34 are formed on both sides of the helad case 3I from the bottom surface 31B to the front surface 31A, and each rib 34
．． Guide grooves 35 and 35 formed on the inner surface of the shutter 34 guide and hold both side edges of a shutter-like flexible opening/closing part 36 in a slidable manner.
前記開閉部材３６は、不図示のばね手段により、第４図
中の矢印入方向すなわちコンタクト３３を被う位置へ常
にばね付勢されている。The opening/closing member 36 is always biased by a spring means (not shown) in the direction indicated by the arrow in FIG. 4, that is, in a position covering the contact 33.
また、前記開閉部材３６の常にヘッドケース３１の底面
３１Ｂに位置する部分、すなわち図示の例では該開閉部
材３６の後端の中央部には、突起３７が形成されている
。この突起３７は、記録ヘット６をキャリッジ５上に装
着する時、該キャリッジ５側に設けられた掛止手段と係
合することにより、開閉部材３６をばね戻し手段に抗し
て強制的に開放する位置へ移動させるように作用するも
のである。Further, a protrusion 37 is formed in a portion of the opening/closing member 36 that is always located on the bottom surface 31B of the head case 31, that is, in the illustrated example, at the center of the rear end of the opening/closing member 36. When the recording head 6 is mounted on the carriage 5, the protrusion 37 engages with a locking means provided on the carriage 5 side, thereby forcibly opening the opening/closing member 36 against the spring return means. It acts to move the object to the desired position.
なお、前記左右のリブ３４．３４に形成される案内溝３
５．３５の前端には、前記開閉部材３６の前端に衝当し
て該開閉部材３６を前端（閉塞）位置Ｘ、Ｘに位置決め
するためのストッパ３８．３８が設けられ、案内溝３５
．３５の後端部には、前記開閉部材３６の後端に衝当し
て該開閉部材３６を後端く開放）位置Ｙ、Ｙに位置する
ためのストッパ３９．３９が設けられている。Note that the guide grooves 3 formed in the left and right ribs 34.
A stopper 38.38 is provided at the front end of the guide groove 35 for abutting against the front end of the opening/closing member 36 to position the opening/closing member 36 at the front end (closed) position X, X.
．． A stopper 39, 39 is provided at the rear end of the opening/closing member 36 for abutting against the rear end of the opening/closing member 36 to position the opening/closing member 36 at the rear end (opening) position Y, Y.
一方、第４図の記録ヘッド６を保持するキャリッジ５に
は、前記開閉部材３６の突起３７に嵌合しかつ該突起３
７を係合保持するストップ溝４１が形成さてしている。On the other hand, the carriage 5 holding the recording head 6 shown in FIG.
A stop groove 41 is formed to engage and hold 7.
また、キャリッジ５の前端部には、第６図のヘット装着
状態で、該ヘッド６のコンタクｉ・３３が所定の位置関
係で圧接し電気的結合状態を作り出すだめのコンタクト
４２が設けらγ１．ている。Further, the front end of the carriage 5 is provided with a contact 42 which is pressed into contact with the contact i 33 of the head 6 in a predetermined positional relationship to create an electrically connected state when the head is attached as shown in FIG. 6. γ1. ing.
ごうして、第４図〜第６図の記録ヘソＦ６によれば、キ
ャリッジ５に対し着脱自在にかつ電気的結合状Ｉフで装
着される記録ヘット６において、キャリッジ５から後方
へ引き抜くように取り外すと開閉部材３６が電気的結合
部（コンタクト）３３を被う位置へばね力によって自動
的に復帰し、キャリッジ５に後方から前方へ押し込むよ
うにし°Ｃ装着］゛ると第６図に示ずごと（開閉部材３
６が電気的結合（コンタク日 ３３を開放する後退位置
へ強制的に移動させられるばね付勢式の開閉部材３６付
きの記録へラド６が構成されている。According to the recording head F6 shown in FIGS. 4 to 6, in the recording head 6 which is detachably attached to the carriage 5 and electrically connected, the recording head 6 is removed by being pulled out from the carriage 5 backward. Then, the opening/closing member 36 automatically returns to the position covering the electrical connection part (contact) 33 by the spring force, and is pushed into the carriage 5 from the rear to the front. (opening/closing member 3
6 is configured with a spring-loaded opening/closing member 36 which is forced into a retracted position in which the electrical connection 33 is opened.
以上第４図〜第６図で説明した実施例によっても、キャ
リッジ５に対し着脱自在の使い捨て式の記録へンド６で
あって、取り外し時に開閉部材３６でコンタクト３３を
自動的に被ってしまうことにより、はこりの侵入や指と
の接触などによるコンタクト表面の汚れを防止すること
ができ、さらに、人体の静電気等による静電破壊からも
有効に保護しうる記録ヘッドが得られた。In the embodiment described above with reference to FIGS. 4 to 6, the disposable recording head 6 is detachable from the carriage 5, and the contact 33 is automatically covered by the opening/closing member 36 when removed. As a result, a recording head was obtained that can prevent the contact surface from becoming contaminated due to the invasion of lumps or contact with fingers, and can also effectively protect against electrostatic damage caused by static electricity of the human body.
以上の説明から明らかなごとく、本発明によれば、キャ
リッジに対し着脱自在にかつ電気的結合状態で装着され
る記録ヘッドにおいて、キャリッジから取り外すと電気
的結合部を被う位置へ自動的に復帰し、キャリッジに取
付けると電気的結合部を開放する位置へ強制的に移動さ
せられるばね付勢式の開閉部材を設けたので、はこりの
侵入や指との接触などによるコンタクト表面の汚れを防
止することができ、さらに、人体の静電気等による静電
破壊からも有効に保護しうる記録ヘッドが得られる。As is clear from the above description, according to the present invention, in a recording head that is removably attached to a carriage and electrically coupled, when it is removed from the carriage, it automatically returns to a position covering the electrically coupled portion. A spring-biased opening/closing member that is forcibly moved to the position where the electrical connection is opened when attached to the carriage prevents the contact surface from getting dirty due to intrusion of chips or contact with fingers. Furthermore, a recording head can be obtained which can effectively protect against electrostatic damage caused by static electricity of the human body.
第１図は本発明による記録ヘッドの一実施例の斜視図、
第２図は第１図の記録ヘッドの取り外し時の断面図、第
３図は第１図の記録ヘットをキャリッジに装着した時の
断面図、第４図は本発明による記録ヘットの他の実施例
の］一方から見た斜視図、第５図は第４図の記録ヘッド
をキャリッジへ装着する直前の状態の断面図、第６図は
第４図の記録ヘットをキャリッジに装着した状態の断面
図、第７図は本発明による記録ヘッドを装着するのに好
適な記録装置の模式的斜視図である。
５−・−−−−−−キャリッジ、６・−・−−−−一記
録ヘッド、７−−−−−−−フレキシブルプリント基板
、１３−−−〜−−−−−−−コンタクト（記録ヘッド
） 、１５−−−−−−−・・開閉部材、１６・−・−
−一−−−−ばね、１７−・・・−・・−係合部（記録
ヘッド）、２１−・−・−−−−−−一係合部（キャリ
フジ）、２３−・−− コンタクト （キャリッジ）、
３３−・−−−一・−コンタクト（記録ヘッド） 、３
６−・−開閉部材、３７−−−−−−−−−−突起、３
８．３９−一−−−−−−−ストッパ、４Ｉ−−−−一
一−−ストップ溝、４２−−〜−−・−・−コンタクト
（キャリッジ）。FIG. 1 is a perspective view of an embodiment of a recording head according to the present invention;
2 is a cross-sectional view of the recording head shown in FIG. 1 when removed, FIG. 3 is a cross-sectional view of the recording head shown in FIG. 1 mounted on a carriage, and FIG. 4 is another embodiment of the recording head according to the present invention. FIG. 5 is a cross-sectional view of the recording head shown in FIG. 4 immediately before it is mounted on the carriage, and FIG. 6 is a cross-sectional view of the recording head shown in FIG. 4 mounted on the carriage. 7 are schematic perspective views of a recording apparatus suitable for mounting a recording head according to the present invention. 5---------Carriage, 6-------1 recording head, 7----------Flexible printed circuit board, 13--------Contact (recording Head), 15--------...Opening/closing member, 16--
-1--Spring, 17--...--Engaging part (recording head), 21------1 Engaging part (carrifuge), 23--- Contact (carriage),
33---1--contact (recording head), 3
6--Opening/closing member, 37--------Protrusion, 3
8.39-1-------- Stopper, 4I-----11--Stop groove, 42-----Contact (carriage).
Claims (1)
で装着される記録ヘッドにおいて、キャリッジから取り
外すと電気的結合部を被う位置へ自動的に復帰し、キャ
リッジに取付けると電気的結合部を開放する位置へ強制
的に移動させられるばね付勢式の開閉部材を備えて成る
記録ヘッド。(1) In a recording head that is removably attached to the carriage and electrically connected, when it is removed from the carriage, it automatically returns to the position covering the electrically coupled part, and when it is attached to the carriage, the electrically coupled part is covered. A recording head comprising a spring-loaded opening/closing member that is forcibly moved to an open position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63230797A JP2686985B2 (en) | 1988-09-14 | 1988-09-14 | Inkjet head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63230797A JP2686985B2 (en) | 1988-09-14 | 1988-09-14 | Inkjet head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0278588A true JPH0278588A (en) | 1990-03-19 |
| JP2686985B2 JP2686985B2 (en) | 1997-12-08 |
Family
ID=16913424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63230797A Expired - Fee Related JP2686985B2 (en) | 1988-09-14 | 1988-09-14 | Inkjet head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2686985B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5359357A (en) * | 1992-03-19 | 1994-10-25 | Fuji Xerox Co., Ltd. | Ink-jet recording apparatus |
| EP0676292A2 (en) * | 1994-03-10 | 1995-10-11 | Hewlett-Packard Company | Protective cover apparatus for an ink-jet pen |
| EP1033253A1 (en) * | 1999-02-19 | 2000-09-06 | Hewlett-Packard Company | Ink protection system for inkjet printers |
| US6244683B1 (en) | 1999-02-19 | 2001-06-12 | Hewlett-Packard Company | Ink protection system for inkjet printers |
| JP2019043105A (en) * | 2017-09-06 | 2019-03-22 | キヤノン株式会社 | Liquid discharge head and liquid discharge device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58104648U (en) * | 1982-01-13 | 1983-07-16 | 横河電機株式会社 | Inkjet head mechanism |
| JPS59162676A (en) * | 1983-03-08 | 1984-09-13 | Canon Inc | Electronic apparatus |
| JPS60204343A (en) * | 1984-03-30 | 1985-10-15 | Canon Inc | Ink jet recording apparatus |
| JPS61230939A (en) * | 1985-04-08 | 1986-10-15 | Tokyo Electric Co Ltd | Printing apparatus |
-
1988
- 1988-09-14 JP JP63230797A patent/JP2686985B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58104648U (en) * | 1982-01-13 | 1983-07-16 | 横河電機株式会社 | Inkjet head mechanism |
| JPS59162676A (en) * | 1983-03-08 | 1984-09-13 | Canon Inc | Electronic apparatus |
| JPS60204343A (en) * | 1984-03-30 | 1985-10-15 | Canon Inc | Ink jet recording apparatus |
| JPS61230939A (en) * | 1985-04-08 | 1986-10-15 | Tokyo Electric Co Ltd | Printing apparatus |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5359357A (en) * | 1992-03-19 | 1994-10-25 | Fuji Xerox Co., Ltd. | Ink-jet recording apparatus |
| EP0676292A2 (en) * | 1994-03-10 | 1995-10-11 | Hewlett-Packard Company | Protective cover apparatus for an ink-jet pen |
| EP0676292A3 (en) * | 1994-03-10 | 1995-12-06 | Hewlett Packard Co | Protective cover apparatus for an ink-jet pen. |
| US5572245A (en) * | 1994-03-10 | 1996-11-05 | Hewlett-Packard Company | Protective cover apparatus for an ink-jet pen |
| EP1033253A1 (en) * | 1999-02-19 | 2000-09-06 | Hewlett-Packard Company | Ink protection system for inkjet printers |
| US6244683B1 (en) | 1999-02-19 | 2001-06-12 | Hewlett-Packard Company | Ink protection system for inkjet printers |
| JP2019043105A (en) * | 2017-09-06 | 2019-03-22 | キヤノン株式会社 | Liquid discharge head and liquid discharge device |
| US10589531B2 (en) | 2017-09-06 | 2020-03-17 | Canon Kabushiki Kaisha | Liquid ejection head and liquid ejection apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2686985B2 (en) | 1997-12-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |