DE3767393D1 - GUIDE DEVICE FOR THE NEEDLES IN A PRINT HEAD OF A DOT MATRIX PRINTER AND METHOD FOR THEIR PRODUCTION. - Google Patents

GUIDE DEVICE FOR THE NEEDLES IN A PRINT HEAD OF A DOT MATRIX PRINTER AND METHOD FOR THEIR PRODUCTION.

Info

Publication number
DE3767393D1
DE3767393D1 DE8787109315T DE3767393T DE3767393D1 DE 3767393 D1 DE3767393 D1 DE 3767393D1 DE 8787109315 T DE8787109315 T DE 8787109315T DE 3767393 T DE3767393 T DE 3767393T DE 3767393 D1 DE3767393 D1 DE 3767393D1
Authority
DE
Germany
Prior art keywords
needles
production
print head
dot matrix
guide device
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 - Fee Related
Application number
DE8787109315T
Other languages
German (de)
Inventor
Mario Gaiardo
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.)
Microlys SpA
Original Assignee
Microlys SpA
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 Microlys SpA filed Critical Microlys SpA
Application granted granted Critical
Publication of DE3767393D1 publication Critical patent/DE3767393D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

  • Character Spaces And Line Spaces In Printers (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Impact Printers (AREA)
  • Electronic Switches (AREA)

Abstract

A guide device for the needles of a print head of a dot matrix printer is described, of the type in which the needles are supported by a matrix and by at least one other guide element, as well as the process for its production; the principle characteristic of this device lies in the fact that at least the matrix (4) is formed by one or more thin superimposed plates (11) provided with guide holes (12) for the needles formed by photo-etching; if more than one, such plates are glued together with their holes offset.
DE8787109315T 1986-07-18 1987-06-29 GUIDE DEVICE FOR THE NEEDLES IN A PRINT HEAD OF A DOT MATRIX PRINTER AND METHOD FOR THEIR PRODUCTION. Expired - Fee Related DE3767393D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67579/86A IT1193158B (en) 1986-07-18 1986-07-18 GUIDE DEVICE FOR THE NEEDLES OF A MATRIX PRINT HEAD AND PROCEDURE FOR ITS REALIZATION

Publications (1)

Publication Number Publication Date
DE3767393D1 true DE3767393D1 (en) 1991-02-21

Family

ID=11303600

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787109315T Expired - Fee Related DE3767393D1 (en) 1986-07-18 1987-06-29 GUIDE DEVICE FOR THE NEEDLES IN A PRINT HEAD OF A DOT MATRIX PRINTER AND METHOD FOR THEIR PRODUCTION.

Country Status (5)

Country Link
EP (1) EP0253189B1 (en)
AT (1) ATE60004T1 (en)
DE (1) DE3767393D1 (en)
ES (1) ES2019905B3 (en)
IT (1) IT1193158B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2948419B2 (en) * 1992-07-27 1999-09-13 富士通株式会社 Wire dot print head

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802543A (en) * 1971-09-13 1974-04-09 Centronics Data Computer Jewel bearings for printer heads and the like
DE2512333A1 (en) * 1975-03-20 1976-10-07 Siemens Ag Mosaic printer with reduced wear on printing wires - has wear-resistant layers applied to wires and guide surfaces
GB2129740B (en) * 1982-11-12 1985-09-04 Epson Corp Wire drive unit for use in a wire dot print head

Also Published As

Publication number Publication date
ES2019905B3 (en) 1991-07-16
ATE60004T1 (en) 1991-02-15
IT8667579A0 (en) 1986-07-18
EP0253189A1 (en) 1988-01-20
IT1193158B (en) 1988-06-02
EP0253189B1 (en) 1991-01-16

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: TER MEER, N., DIPL.-CHEM. DR.RER.NAT. MUELLER, F., DIPL.-ING., 8000 MUENCHEN STEINMEISTER, H., DIPL.-ING. WIEBUSCH, M., 4800 BIELEFELD URNER, P., DIPL.-PHYS. ING.(GRAD.), PAT.-ANWAELTE, 8000 MUENCHEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee