JPS5511884A - Print wire driving gear for dot printer - Google Patents

Print wire driving gear for dot printer

Info

Publication number
JPS5511884A
JPS5511884A JP8585678A JP8585678A JPS5511884A JP S5511884 A JPS5511884 A JP S5511884A JP 8585678 A JP8585678 A JP 8585678A JP 8585678 A JP8585678 A JP 8585678A JP S5511884 A JPS5511884 A JP S5511884A
Authority
JP
Japan
Prior art keywords
magnetic material
movable magnetic
spring
recovery spring
movable
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
JP8585678A
Other languages
Japanese (ja)
Inventor
Kiyoshi Ito
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP8585678A priority Critical patent/JPS5511884A/en
Publication of JPS5511884A publication Critical patent/JPS5511884A/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
    • B41J2/285—Actuators for print wires of plunger type

Abstract

PURPOSE:A print wire driving gear, which performs a stable and high-speed operation of a movable magnetic material by fixing one end of a plate-shaped recovery spring attached to the movable magnetic material and applying the other end with a simple support structure. CONSTITUTION:When an exciting coil 4 set with an aperture 7 is electrified, a movable material 2, held with a recovery spring 3', is drawn toward a fixed magnetic material 1c with a center hole. When the exciting coil 4 is diselectrified, it resumes the initial position by the recovery spring 3'. In order to perform the parallel movement of the movable magnetic material during this one cycle operation, the spring constant of the recovery spring 3' at the simple support part 3a must be equal to the spring constant of the same at the fixed end 3b in relation to the movable magnetic material 2. Thus structured, no chattering occures if the distance between the center of the movable magnetic material and the tip end of the spring on the simple support side is changed due to the flexion of the recovery spring, and the movement locus of the movable magnetic material is made stable.
JP8585678A 1978-07-14 1978-07-14 Print wire driving gear for dot printer Pending JPS5511884A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8585678A JPS5511884A (en) 1978-07-14 1978-07-14 Print wire driving gear for dot printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8585678A JPS5511884A (en) 1978-07-14 1978-07-14 Print wire driving gear for dot printer

Publications (1)

Publication Number Publication Date
JPS5511884A true JPS5511884A (en) 1980-01-28

Family

ID=13870509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8585678A Pending JPS5511884A (en) 1978-07-14 1978-07-14 Print wire driving gear for dot printer

Country Status (1)

Country Link
JP (1) JPS5511884A (en)

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