JPS56133178A - Printing stylus driving apparatus - Google Patents

Printing stylus driving apparatus

Info

Publication number
JPS56133178A
JPS56133178A JP3644680A JP3644680A JPS56133178A JP S56133178 A JPS56133178 A JP S56133178A JP 3644680 A JP3644680 A JP 3644680A JP 3644680 A JP3644680 A JP 3644680A JP S56133178 A JPS56133178 A JP S56133178A
Authority
JP
Japan
Prior art keywords
armature
printing
printing stylus
stylus
magnetic
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
JP3644680A
Other languages
Japanese (ja)
Inventor
Masao Kunida
Makoto Yasunaga
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co 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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP3644680A priority Critical patent/JPS56133178A/en
Publication of JPS56133178A publication Critical patent/JPS56133178A/en
Pending 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
    • B41J2/27—Actuators for print wires
    • B41J2/275—Actuators for print wires of clapper type

Landscapes

  • Impact Printers (AREA)

Abstract

PURPOSE:To stabilize the operation of a printing stylus driving apparatus which drives a printing stylus by means of an armature reciprocated by a magnetic force, by applying a magnetic driving force so as to compensate for the nonequilibrium of the inertia load on the armature. CONSTITUTION:An armature 1 wound with a solenoid 3 and having a printing stylus 15 secured to the tip end of its arm 16 is supported pivotably about support members 4 an 4, while by using a permanent magnet 12 a magnetic circuit is formed between the first and second yokes 5 and 7 through the armature 1, to constitute a printing stylus driving unit 8. Said apparatus performs printing by pivoting the armature 1 (at the same time the printing stylus 15 appears and disappears) by energizing the solenoid 3 in the foward and reverse directions. In this case, by making the areas of the pole-faces 5a and 7a of the first and second yokes 5 and 7 on the side of the printing stylus 15 larger than those of the pole-faces 5b and 7b on the remoter side from the printing stylus 15, a larger magnetic driving force is applied to the part of the armature 1 on the side of the printing stylus 15 in order to compensate for the nonequilibrium of the inertia load, so that the pivoting of the armature 1 is stabilized.
JP3644680A 1980-03-22 1980-03-22 Printing stylus driving apparatus Pending JPS56133178A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3644680A JPS56133178A (en) 1980-03-22 1980-03-22 Printing stylus driving apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3644680A JPS56133178A (en) 1980-03-22 1980-03-22 Printing stylus driving apparatus

Publications (1)

Publication Number Publication Date
JPS56133178A true JPS56133178A (en) 1981-10-19

Family

ID=12470031

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3644680A Pending JPS56133178A (en) 1980-03-22 1980-03-22 Printing stylus driving apparatus

Country Status (1)

Country Link
JP (1) JPS56133178A (en)

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