JP2006175667A5 - - Google Patents
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- Publication number
- JP2006175667A5 JP2006175667A5 JP2004369660A JP2004369660A JP2006175667A5 JP 2006175667 A5 JP2006175667 A5 JP 2006175667A5 JP 2004369660 A JP2004369660 A JP 2004369660A JP 2004369660 A JP2004369660 A JP 2004369660A JP 2006175667 A5 JP2006175667 A5 JP 2006175667A5
- Authority
- JP
- Japan
- Prior art keywords
- head
- droplet discharge
- discharge surface
- forming member
- nozzle
- 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
Claims (3)
前記ノズル開口に連通する圧力室内の液体を液滴として前記ノズル開口から吐出させる圧力発生素子を備えたヘッド本体と、
前記ノズル形成部材及び前記ヘッド本体が固定されるヘッドケースと、
前記液滴吐出面の一部に重畳するように前記ヘッド本体の液滴吐出面側に設けられた金属製のヘッドカバーとを備え、
前記ヘッドカバーは、前記液滴吐出面と重畳するフレーム部から前記ノズル形成部材の液滴吐出面側に向けて突出した接点突起を有し、
該接点突起は、前記ヘッドカバーが前記ヘッドケースに取り付けられた状態において、前記撥液皮膜層を貫通してノズル形成部材の液滴吐出面の金属基材部分に当接することを特徴とする液体噴射ヘッド。 A nozzle forming member in which a plurality of nozzle openings are arranged, and a liquid-repellent coating layer made of an insulating material is formed on a metal substrate on a droplet discharge surface on the droplet discharge side;
A head body including a pressure generating element that discharges the liquid in the pressure chamber communicating with the nozzle opening as droplets from the nozzle opening;
A head case to which the nozzle forming member and the head body are fixed;
A metal head cover provided on the droplet discharge surface side of the head body so as to overlap a part of the droplet discharge surface ;
The head cover has a contact protrusion that protrudes from the frame portion overlapping the droplet discharge surface toward the droplet discharge surface side of the nozzle forming member,
The contact protrusion protrudes through the liquid-repellent coating layer and abuts against a metal substrate portion of a droplet discharge surface of a nozzle forming member in a state where the head cover is attached to the head case. head.
前記接点突起は、前記露出窓部の内周縁に設けられていることを特徴とする請求項１に記載の液体噴射ヘッド。 The frame portion is provided with an exposure window portion capable of exposing the nozzle opening in a mounting state on the nozzle forming member.
The liquid ejecting head according to claim 1, wherein the contact protrusion is provided on an inner peripheral edge of the exposed window portion.
前記接点突起は、前記位置決め孔の内周縁に設けられていることを特徴とする請求項１又は請求項２に記載の液体噴射ヘッド。 The frame portion is provided with a positioning hole through which a positioning pin protruding from the head case is inserted,
The liquid ejecting head according to claim 1, wherein the contact protrusion is provided on an inner peripheral edge of the positioning hole.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004369660A JP4483568B2 (en) | 2004-12-21 | 2004-12-21 | Liquid jet head |
| US11/312,456 US7490923B2 (en) | 2004-12-21 | 2005-12-21 | Liquid ejecting head |
| US12/117,591 US20080235947A1 (en) | 2004-12-21 | 2008-05-08 | Liquid ejecting head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004369660A JP4483568B2 (en) | 2004-12-21 | 2004-12-21 | Liquid jet head |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006175667A JP2006175667A (en) | 2006-07-06 |
| JP2006175667A5 true JP2006175667A5 (en) | 2007-08-30 |
| JP4483568B2 JP4483568B2 (en) | 2010-06-16 |
Family
ID=36730230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004369660A Expired - Fee Related JP4483568B2 (en) | 2004-12-21 | 2004-12-21 | Liquid jet head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4483568B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4941021B2 (en) * | 2007-03-14 | 2012-05-30 | セイコーエプソン株式会社 | Liquid jet head |
| JP2010143004A (en) * | 2008-12-17 | 2010-07-01 | Seiko Epson Corp | Nozzle substrate, liquid droplet delivery head, and liquid droplet delivery device |
| JP5903769B2 (en) * | 2011-03-29 | 2016-04-13 | セイコーエプソン株式会社 | Liquid ejecting head and liquid ejecting apparatus |
-
2004
- 2004-12-21 JP JP2004369660A patent/JP4483568B2/en not_active Expired - Fee Related
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