FR2447815A1 - Mecanisme a marteau d'impression pour imprimante par points - Google Patents

Mecanisme a marteau d'impression pour imprimante par points

Info

Publication number
FR2447815A1
FR2447815A1 FR8001912A FR8001912A FR2447815A1 FR 2447815 A1 FR2447815 A1 FR 2447815A1 FR 8001912 A FR8001912 A FR 8001912A FR 8001912 A FR8001912 A FR 8001912A FR 2447815 A1 FR2447815 A1 FR 2447815A1
Authority
FR
France
Prior art keywords
printing hammer
printing
hammer mechanism
dot printer
hammer
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
FR8001912A
Other languages
English (en)
Other versions
FR2447815B1 (fr
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.)
Printronix LLC
Original Assignee
Printronix LLC
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 Printronix LLC filed Critical Printronix LLC
Publication of FR2447815A1 publication Critical patent/FR2447815A1/fr
Application granted granted Critical
Publication of FR2447815B1 publication Critical patent/FR2447815B1/fr
Granted 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
    • B41J9/00—Hammer-impression mechanisms
    • B41J9/26—Means for operating hammers to effect impression
    • B41J9/36—Means for operating hammers to effect impression in which mechanical power is applied under electromagnetic control
    • 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)

Abstract

L'INVENTION CONCERNE UN MECANISME A MARTEAU D'IMPRESSION POUR IMPRIMANTE PAR POINTS. CE MECANISME 14, ASSOCIE A CHAQUE MARTEAU D'IMPRESSION, COMPORTE UN CIRCUIT MAGNETIQUE 28 QUI COMPREND LA PARTIE ARRIERE 18 ET LES PARTIES SUPERIEURE ET INFERIEURE 24 ET 26 D'UN BATI 16 DE MONTAGE DU MARTEAU, AINSI QU'UN AIMANT PERMANENT 42 FIXE ENTRE DEUX PIECES POLAIRES OPPOSEES 44 ET 46. LE CIRCUIT COMPREND EGALEMENT L'EXTREMITE SUPERIEURE LIBRE 38 D'UN RESSORT PLAT 30 PORTANT UNE POINTE 40 D'IMPRESSION. DOMAINE D'APPLICATION: IMPRIMANTES PAR POINTES.
FR8001912A 1979-01-30 1980-01-29 Mecanisme a marteau d'impression pour imprimante par points Granted FR2447815A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/007,788 US4258623A (en) 1979-01-30 1979-01-30 Print hammer mechanism having dual electromagnetic coils and pole pieces

Publications (2)

Publication Number Publication Date
FR2447815A1 true FR2447815A1 (fr) 1980-08-29
FR2447815B1 FR2447815B1 (fr) 1983-09-02

Family

ID=21728150

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8001912A Granted FR2447815A1 (fr) 1979-01-30 1980-01-29 Mecanisme a marteau d'impression pour imprimante par points

Country Status (6)

Country Link
US (1) US4258623A (fr)
JP (1) JPS55103979A (fr)
CA (1) CA1143213A (fr)
DE (1) DE3003278A1 (fr)
FR (1) FR2447815A1 (fr)
GB (1) GB2045168B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0601376A2 (fr) * 1992-12-08 1994-06-15 Printronix, Inc. Banc de marteaux pour imprimante avec électro-aimants à reluctance faible

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4461207A (en) * 1980-11-17 1984-07-24 International Business Machines Corporation Actuator mechanism for a printer or the like using dual magnets
US4382701A (en) * 1981-05-27 1983-05-10 International Computers Ltd. Wire matrix printing apparatus
US4386563A (en) * 1981-07-02 1983-06-07 Printronix, Inc. Printing system having staggered hammer release
US4423675A (en) * 1982-03-08 1984-01-03 Hewlett-Packard Company Magnetic circuit and print hammer
US4509421A (en) * 1982-07-23 1985-04-09 Citizen Watch Company Limited Printer head for a dot line printer
CA1216772A (fr) * 1982-08-06 1987-01-20 Norman E. Farb Mecanisme de frappe a bras avec joint d'articulation intermediaire pour imprimante
JPS59138473A (ja) * 1983-01-28 1984-08-08 Citizen Watch Co Ltd インパクト型ドツト印字ヘツド
US4527469A (en) * 1983-04-15 1985-07-09 Dataproducts Corporation Dot matrix print actuator
CA1255963A (fr) * 1984-01-05 1989-06-20 David E. Vance Dispositif manuel de marquage de billets
EP0157624A3 (fr) * 1984-03-30 1987-07-29 Nec Home Electronics, Ltd. Banc de têtes d'impression et méthode de fabrication de celui-ci
US5152217A (en) * 1987-07-01 1992-10-06 Printronix, Inc. Printer having improved hammerbank airflow
US4995744A (en) * 1988-12-16 1991-02-26 International Business Machines Corporation Impact printer actuator using magnet and electromagnetic coil and method of manufacture
DE3904056A1 (de) * 1989-02-10 1990-08-16 Nixdorf Computer Ag Elektromagnetische antriebsvorrichtung fuer eine drucknadel eines druckkopfes
ATE93773T1 (de) * 1989-02-20 1993-09-15 Mannesmann Ag Matrixnadeldruckkopf der vorgespannten bauart.
JP2836100B2 (ja) * 1989-06-07 1998-12-14 日本電気株式会社 印字ヘッド
JP2855792B2 (ja) * 1990-05-25 1999-02-10 日立工機株式会社 ドットラインプリンタ
US6000330A (en) * 1998-09-25 1999-12-14 Printronix, Inc. Line printer with reduced magnetic permeance
US6779935B1 (en) * 2003-02-06 2004-08-24 Printronix, Inc. Printer hammerbank with a magnetic shunt

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1542887A (fr) * 1966-11-04 Ibm Dispositif pour bander les ressorts à lame
FR2135685A5 (fr) * 1971-03-02 1972-12-22 Honeywell Bull Soc Ind
FR2155374A5 (fr) * 1971-09-30 1973-05-18 Siemens Ag
FR2173608A5 (fr) * 1972-02-24 1973-10-05 Suwa Seikosha Kk
US3780648A (en) * 1969-09-02 1973-12-25 Nortec Computer Devices High speed print hammer with dynamic damper means
FR2367612A1 (fr) * 1976-10-12 1978-05-12 Dataproducts Corp Assemblage d'aimants pour imprimante a percussion
US4121518A (en) * 1976-10-12 1978-10-24 Documation Incorporated High speed printer hammer assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3671893A (en) * 1970-11-18 1972-06-20 Gen Electric Magnetic latch and switch using cobalt-rare earth permanent magnets
US3968744A (en) * 1975-03-03 1976-07-13 Burroughs Corporation Self-damping unitary print hammer for high speed printers
US4044668A (en) * 1975-05-16 1977-08-30 Printronix, Inc. Print hammer mechanism
US4033255A (en) * 1975-11-13 1977-07-05 Printronix, Inc. Print hammer actuator for dot matrix printers

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1542887A (fr) * 1966-11-04 Ibm Dispositif pour bander les ressorts à lame
US3780648A (en) * 1969-09-02 1973-12-25 Nortec Computer Devices High speed print hammer with dynamic damper means
FR2135685A5 (fr) * 1971-03-02 1972-12-22 Honeywell Bull Soc Ind
FR2155374A5 (fr) * 1971-09-30 1973-05-18 Siemens Ag
FR2173608A5 (fr) * 1972-02-24 1973-10-05 Suwa Seikosha Kk
FR2367612A1 (fr) * 1976-10-12 1978-05-12 Dataproducts Corp Assemblage d'aimants pour imprimante a percussion
US4121518A (en) * 1976-10-12 1978-10-24 Documation Incorporated High speed printer hammer assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0601376A2 (fr) * 1992-12-08 1994-06-15 Printronix, Inc. Banc de marteaux pour imprimante avec électro-aimants à reluctance faible
EP0601376A3 (fr) * 1992-12-08 1994-08-03 Printronix Inc

Also Published As

Publication number Publication date
GB2045168A (en) 1980-10-29
DE3003278A1 (de) 1980-08-07
JPS55103979A (en) 1980-08-08
FR2447815B1 (fr) 1983-09-02
GB2045168B (en) 1982-12-15
US4258623A (en) 1981-03-31
CA1143213A (fr) 1983-03-22
JPH0330508B2 (fr) 1991-04-30

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse
DS Decision of the director general to state about an appeal