JPS57165267A - Wire matrix type printing head and assembling method thereof - Google Patents

Wire matrix type printing head and assembling method thereof

Info

Publication number
JPS57165267A
JPS57165267A JP4930781A JP4930781A JPS57165267A JP S57165267 A JPS57165267 A JP S57165267A JP 4930781 A JP4930781 A JP 4930781A JP 4930781 A JP4930781 A JP 4930781A JP S57165267 A JPS57165267 A JP S57165267A
Authority
JP
Japan
Prior art keywords
gap
armature
core
armature body
printing head
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.)
Pending
Application number
JP4930781A
Other languages
Japanese (ja)
Inventor
Yutaka Kako
Mineo Harada
Tetsuji Shimojo
Hideyo Tanaka
Kenji Okuna
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP4930781A priority Critical patent/JPS57165267A/en
Publication of JPS57165267A publication Critical patent/JPS57165267A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/22Typewriters 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
    • B41J2/23Typewriters 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
    • B41J2/27Actuators for print wires
    • B41J2/275Actuators for print wires of clapper type

Landscapes

  • Impact Printers (AREA)

Abstract

PURPOSE:To provide a subject head which has a simple structre and a high perfomance, by a method wherein a printing magnet assembly unit consists of an armature for operating a wire, a core for attracting the armature, and two magnetic plates in which the cores are monolithically secured to both sides thereof. CONSTITUTION:An armature body 212 is supported through the medium of a pin 211 so that it can pivot in directions of arrow marks d and e of a hole in a plate. In case a coil 206 is not energized, a minute gap is formed in a circular shape centering around the pin 211 of the armature body 212 and between the armature body 212 and the core 203, and even if the armature body 212 pivots, a constant gap width is always kept. A gap 218 is further provided between the armature body 218 and a working gear 203, and the gap 218 functions as a working gap. This forms a magnetic circuit f which forms a circuit from the core 203 to the gap 217, the armature body 218, the gap 218, and the core 203.
JP4930781A 1981-04-03 1981-04-03 Wire matrix type printing head and assembling method thereof Pending JPS57165267A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4930781A JPS57165267A (en) 1981-04-03 1981-04-03 Wire matrix type printing head and assembling method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4930781A JPS57165267A (en) 1981-04-03 1981-04-03 Wire matrix type printing head and assembling method thereof

Publications (1)

Publication Number Publication Date
JPS57165267A true JPS57165267A (en) 1982-10-12

Family

ID=12827282

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4930781A Pending JPS57165267A (en) 1981-04-03 1981-04-03 Wire matrix type printing head and assembling method thereof

Country Status (1)

Country Link
JP (1) JPS57165267A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03190755A (en) * 1989-12-18 1991-08-20 Mannesmann Ag Dot matrix printer head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03190755A (en) * 1989-12-18 1991-08-20 Mannesmann Ag Dot matrix printer head
US5290112A (en) * 1989-12-18 1994-03-01 Mannesmann Aktiengesellschaft Matrix print head, in particular serial matrix pin print head

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