JPS6445653A - Printing head for dot printer - Google Patents

Printing head for dot printer

Info

Publication number
JPS6445653A
JPS6445653A JP8513188A JP8513188A JPS6445653A JP S6445653 A JPS6445653 A JP S6445653A JP 8513188 A JP8513188 A JP 8513188A JP 8513188 A JP8513188 A JP 8513188A JP S6445653 A JPS6445653 A JP S6445653A
Authority
JP
Japan
Prior art keywords
plate
printing
core
leaf spring
split piece
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.)
Granted
Application number
JP8513188A
Other languages
Japanese (ja)
Other versions
JPH0466193B2 (en
Inventor
Minoru Isobe
Ko Kikuchi
Minoru Tejima
Tadashi Kodama
Mitsuo Iwama
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.)
Oki Electric Industry Co Ltd
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
Oki Electric Industry 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 Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP8513188A priority Critical patent/JPS6445653A/en
Publication of JPS6445653A publication Critical patent/JPS6445653A/en
Publication of JPH0466193B2 publication Critical patent/JPH0466193B2/ja
Granted 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

Landscapes

  • Impact Printers (AREA)

Abstract

PURPOSE:To enable a desired printing density to be obtained by providing a yoke plate with a groove in which an armature fixed to a split piece may be inserted at the time of releasing the split piece of a leaf spring, and making the groove smaller than the width of the split piece. CONSTITUTION:A plate is fixed on the upper surface of a permanent magnet 3, and a spacer 6 is inserted between the plate and the ring-shaped part o a leaf spring 7 consisting of a plurality of split pieces 7a obtained by splitting centripetally so that the upper surface of the plate and the upper edge of a core of a magnet coil 4 may make a flat surface. Then the leaf spring 7 is allowed to be deviated by the width of the plate. The split piece 7a deviated by the core 2 is released from the core 2 by energization of the magnet coil 4. Consequently, printing wire 9 fixed to an armature 8 sticks out of a guide frame 13 to press ink ribbon against printing paper strongly. This permits dots to be printed on the printing paper. Under an energization state, a gap between the leaf spring 7 and the core 2 is equal to the plate thickness of the spacer 6, which makes the stroke of the printing wire 9 constant. As a result, the density of printing does not become irregular among N pieces of printing wire.
JP8513188A 1988-04-08 1988-04-08 Printing head for dot printer Granted JPS6445653A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8513188A JPS6445653A (en) 1988-04-08 1988-04-08 Printing head for dot printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8513188A JPS6445653A (en) 1988-04-08 1988-04-08 Printing head for dot printer

Publications (2)

Publication Number Publication Date
JPS6445653A true JPS6445653A (en) 1989-02-20
JPH0466193B2 JPH0466193B2 (en) 1992-10-22

Family

ID=13850097

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8513188A Granted JPS6445653A (en) 1988-04-08 1988-04-08 Printing head for dot printer

Country Status (1)

Country Link
JP (1) JPS6445653A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5284455A (en) * 1976-01-05 1977-07-14 Nippon Telegraph & Telephone Electromagnet for high speed operation
JPS5341116U (en) * 1976-09-10 1978-04-10
JPS5341116A (en) * 1976-09-28 1978-04-14 Nippon Telegr & Teleph Corp <Ntt> Solid state scanning photoelectric conversion system
JPS5551569A (en) * 1978-10-10 1980-04-15 Tally Corp Divided ring magnet printing head

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5284455A (en) * 1976-01-05 1977-07-14 Nippon Telegraph & Telephone Electromagnet for high speed operation
JPS5341116U (en) * 1976-09-10 1978-04-10
JPS5341116A (en) * 1976-09-28 1978-04-14 Nippon Telegr & Teleph Corp <Ntt> Solid state scanning photoelectric conversion system
JPS5551569A (en) * 1978-10-10 1980-04-15 Tally Corp Divided ring magnet printing head

Also Published As

Publication number Publication date
JPH0466193B2 (en) 1992-10-22

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