CA1217678A - Dot matrix print head - Google Patents

Dot matrix print head

Info

Publication number
CA1217678A
CA1217678A CA000446829A CA446829A CA1217678A CA 1217678 A CA1217678 A CA 1217678A CA 000446829 A CA000446829 A CA 000446829A CA 446829 A CA446829 A CA 446829A CA 1217678 A CA1217678 A CA 1217678A
Authority
CA
Canada
Prior art keywords
print
wires
guide
print head
print wires
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
Application number
CA000446829A
Other languages
English (en)
French (fr)
Inventor
David E. Weeks
John W. Reece
Robert L. Wirth
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.)
NCR Voyix Corp
Original Assignee
NCR Corp
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 NCR Corp filed Critical NCR Corp
Application granted granted Critical
Publication of CA1217678A publication Critical patent/CA1217678A/en
Expired 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

Landscapes

  • Impact Printers (AREA)
CA000446829A 1983-02-25 1984-02-06 Dot matrix print head Expired CA1217678A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/470,012 US4501506A (en) 1983-02-25 1983-02-25 Dot matrix print head
US470,012 1990-01-25

Publications (1)

Publication Number Publication Date
CA1217678A true CA1217678A (en) 1987-02-10

Family

ID=23865943

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000446829A Expired CA1217678A (en) 1983-02-25 1984-02-06 Dot matrix print head

Country Status (6)

Country Link
US (1) US4501506A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0137820B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS60500612A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1217678A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3461434D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1984003255A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6168255A (ja) * 1984-09-13 1986-04-08 Tokyo Electric Co Ltd ドツトプリンタヘツドの製造方法
IT1176859B (it) * 1984-10-05 1987-08-18 Honeywell Inf Systems Rubino e gruppo guida aghi per testina stampante ad aghi
US4767227A (en) * 1985-01-25 1988-08-30 Seiko Epson Corporation Print wire driving device for wire type dot printer
DE3608065A1 (de) * 1986-03-11 1987-09-24 Nixdorf Computer Ag Nadeldruckkopf mit ringfoermig angeordneten klappankermagneten und verfahren zur montage des nadeldruckkopfes
US4859095A (en) * 1986-08-20 1989-08-22 Fuji Photo Film Co., Ltd. Printing head with current passing through the print wire
EP0341930A3 (en) * 1988-05-10 1990-01-10 Tokyo Electric Co., Ltd. Releasing type dot printer head
CN1029098C (zh) * 1990-06-15 1995-06-28 精工爱普生株式会社 击点打印头及其制造方法
US5449239A (en) * 1992-07-21 1995-09-12 Seiko Epson Corporation Impact dot head with resiliently mounted wire guide

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3897865A (en) * 1973-12-11 1975-08-05 Ibm Dot printing apparatus
US4081067A (en) * 1977-03-07 1978-03-28 Ncr Corporation Internal vibration dampening means for printing mechanism
US4185929A (en) * 1978-03-10 1980-01-29 Helmut Falk Wire matrix print head assembly
US4300845A (en) * 1979-05-14 1981-11-17 Qwint Systems, Inc. Dot matrix print head
US4279518A (en) * 1979-05-14 1981-07-21 Blomquist James E Dot matrix print head
JPS5637176A (en) * 1979-09-03 1981-04-10 Oki Electric Ind Co Ltd Printing head for dot printer
US4279521A (en) * 1979-11-02 1981-07-21 International Business Machines Corporation Wire matrix print head
US4365902A (en) * 1981-06-22 1982-12-28 Ncr Corporation Wire matrix print head

Also Published As

Publication number Publication date
JPS60500612A (ja) 1985-05-02
JPH0522584B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-03-30
EP0137820B1 (en) 1986-11-26
US4501506A (en) 1985-02-26
WO1984003255A1 (en) 1984-08-30
EP0137820A1 (en) 1985-04-24
DE3461434D1 (en) 1987-01-15

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Legal Events

Date Code Title Description
MKEX Expiry