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JPH0234249U - - Google Patents

Info

Publication number
JPH0234249U
JPH0234249U JP1988112092U JP11209288U JPH0234249U JP H0234249 U JPH0234249 U JP H0234249U JP 1988112092 U JP1988112092 U JP 1988112092U JP 11209288 U JP11209288 U JP 11209288U JP H0234249 U JPH0234249 U JP H0234249U
Authority
JP
Japan
Prior art keywords
armature
wire
magnetic flux
oil
core
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
Application number
JP1988112092U
Other languages
English (en)
Other versions
JPH078201Y2 (ja
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 filed Critical
Priority to JP1988112092U priority Critical patent/JPH078201Y2/ja
Priority to EP89115838A priority patent/EP0364702B1/en
Priority to DE89115838T priority patent/DE68910463T2/de
Priority to US07/400,055 priority patent/US5033884A/en
Publication of JPH0234249U publication Critical patent/JPH0234249U/ja
Application granted granted Critical
Publication of JPH078201Y2 publication Critical patent/JPH078201Y2/ja
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
    • B41J2/22—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material
    • B41J2/23—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material using print wires
    • B41J2/235—Print head assemblies
    • B41J2/265—Guides for print wires
    • 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
    • B41J2/22—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material
    • B41J2/23—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material using print wires
    • B41J2/235—Print head assemblies
    • B41J2/24—Print head assemblies serial printer type
    • 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
    • B41J2/22—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material
    • B41J2/23—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material using print wires
    • B41J2/27—Actuators for print wires
    • B41J2/28—Actuators for print wires of spring charge type, i.e. with mechanical power under electro-magnetic control

Landscapes

  • Impact Printers (AREA)

Description

【図面の簡単な説明】
第１図は本考案の第１の実施例を示すワイヤド
ツト印字ヘツドの断面図、第２図は本考案の第１
の実施例において使用される油上がり防止チツプ
の斜視図、第３図は本考案の第２の実施例を示す
ワイヤドツト印字ヘツドの断面図、第４図は本考
案の第２の実施例において使用される油上がり防
止チツプの斜視図、第５図は従来のワイヤドツド
印字ヘツドの断面図である。 １……アーマチユア、２……第１ヨーク、３…
…第２ヨーク、４……第１磁性スペーサ、５……
第２磁性スペーサ、６……第３ヨーク、７……永
久磁石、８……コアフレーム、９……バイアス用
板バネ、１０……レシジアルシート、１１……消
磁コイル、１２……ワイヤ、１３……インパクト
力調整用ネジ、１４……第１中間ガイド、１５…
…第２中間ガイド、１６……先端ガイド、１７…
…オイル含浸フエルトガイド、１８……ヘツドフ
レーム、１９，２１……油上がり防止チツプ、２
０，２２……壁面、２３……孔。

Claims (1)

  1. 【実用新案登録請求の範囲】 先端にワイヤを固着したアーマチユアと、該ア
    ーマチユアに対向して設けられるコアと、上記ア
    ーマチユアが接合されるとともに片持ち梁式に支
    持されるバイアス用板バネと、磁束を発生して該
    バイアス用板バネの弾性力に抗して上記コアに巻
    装され、通電によつてコアから磁束を発生させ、
    上記永久磁石の磁束を打ち消してアーマチユアを
    解放するコイルとからなるワイヤドツド印字ヘツ
    ドにおいて、 (a) 上記アーマチユアと該アーマチユアに最も
    近いワイヤガイドの間に、油上がり防止チツプを
    配設し、 (b) 該油上がり防止チツプは、油を吸収する材
    料より形成されるとともに、印字ワイヤの軌跡に
    沿つた壁面を有することを特徴とするワイヤドツ
    ト印字ヘツド。
JP1988112092U 1988-08-29 1988-08-29 ワイヤドット印字ヘッド Expired - Lifetime JPH078201Y2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1988112092U JPH078201Y2 (ja) 1988-08-29 1988-08-29 ワイヤドット印字ヘッド
EP89115838A EP0364702B1 (en) 1988-08-29 1989-08-28 Wire dot printing head
DE89115838T DE68910463T2 (de) 1988-08-29 1989-08-28 Drahtpunktdruckkopf.
US07/400,055 US5033884A (en) 1988-08-29 1989-08-29 Wire dot printer head with oil absorbing member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988112092U JPH078201Y2 (ja) 1988-08-29 1988-08-29 ワイヤドット印字ヘッド

Publications (2)

Publication Number Publication Date
JPH0234249U true JPH0234249U (ja) 1990-03-05
JPH078201Y2 JPH078201Y2 (ja) 1995-03-01

Family

ID=14577909

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988112092U Expired - Lifetime JPH078201Y2 (ja) 1988-08-29 1988-08-29 ワイヤドット印字ヘッド

Country Status (4)

Country Link
US (1) US5033884A (ja)
EP (1) EP0364702B1 (ja)
JP (1) JPH078201Y2 (ja)
DE (1) DE68910463T2 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2519503Y2 (ja) * 1989-06-19 1996-12-04 シチズン時計 株式会社 印字ヘッド
US5340222A (en) * 1991-11-25 1994-08-23 Seiko Epson Corporation Ink ribbon with wire lubricant in a wire impact printer
JP4887410B2 (ja) * 2009-09-09 2012-02-29 株式会社沖データ 印字ヘッドおよび印刷装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59123674A (ja) * 1982-12-28 1984-07-17 Tokyo Electric Co Ltd ドツトプリンタヘツドのワイヤガイド
JPS6211634U (ja) * 1985-07-05 1987-01-24

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT956585B (it) * 1972-06-15 1973-10-10 Honeywell Inf Systems Perfezionamento alle testine di impressione per macchine stampan ti a composizione di carattere per punti
US3907092A (en) * 1973-07-12 1975-09-23 Bunker Ramo Matrix wire print head with free bending print wires
IT1011721B (it) * 1974-04-10 1977-02-10 Olivetti & Co Spa Dispositivo di stampa a fili
US3893220A (en) * 1974-08-01 1975-07-08 Gen Electric Method of making wire matrix print head nozzle
DE2443239C3 (de) * 1974-09-10 1979-03-29 Philips Patentverwaltung Gmbh, 2000 Hamburg Schmiermittelzuführung an Nadeldruckwerken
GB1572172A (en) * 1976-06-17 1980-07-23 Data Recording Instr Co Wire printing heads
DD139233B1 (de) * 1978-10-06 1986-04-23 Robotron Bueromasch Schmierkoerper fuer das mundstueck eines mosaikdruckkopfes
JPS58177372A (ja) * 1982-04-12 1983-10-18 Hitachi Ltd 印字ヘツド
JPS58220765A (ja) * 1982-06-18 1983-12-22 Nec Corp ワイヤドツト式プリンタヘツドのインク昇り防止機構
JPS60122165A (ja) * 1983-12-07 1985-06-29 Janome Sewing Mach Co Ltd ワイヤドット印字ヘッド
JPH0327796Y2 (ja) * 1984-09-25 1991-06-17

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59123674A (ja) * 1982-12-28 1984-07-17 Tokyo Electric Co Ltd ドツトプリンタヘツドのワイヤガイド
JPS6211634U (ja) * 1985-07-05 1987-01-24

Also Published As

Publication number Publication date
DE68910463T2 (de) 1994-03-03
EP0364702B1 (en) 1993-11-03
US5033884A (en) 1991-07-23
EP0364702A1 (en) 1990-04-25
DE68910463D1 (de) 1993-12-09
JPH078201Y2 (ja) 1995-03-01

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