JPS56161173A - Wire dot head - Google Patents
Wire dot headInfo
- Publication number
- JPS56161173A JPS56161173A JP6529880A JP6529880A JPS56161173A JP S56161173 A JPS56161173 A JP S56161173A JP 6529880 A JP6529880 A JP 6529880A JP 6529880 A JP6529880 A JP 6529880A JP S56161173 A JPS56161173 A JP S56161173A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic flux
- path
- magnetic
- flat spring
- passing
- 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
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
- B41J2/28—Actuators for print wires of spring charge type, i.e. with mechanical power under electro-magnetic control
Landscapes
- Impact Printers (AREA)
Abstract
PURPOSE:To change magnetic flux passing through a magnetic path bypassing the magnetic flux of a magnet and compensate the variation of printing time due to the deterioration of a flat spring by the reduction of magnetic flux passing through an armature by a method wherein the magnetic path is formed, and the by-path magnetic path is moved. CONSTITUTION:This invention relates to a wire dot head capable of obtaining a stable printing characteristic for a long time. When the elasticity of a flat spring 4 is strong, relationship between magnetic flux phi2 passing through an armature 5 and printing time T is shown in a full line in the figure. When the elasticity of the flat spring weakens due to wear, the relationship between phi2 and T is shown in a one point chain line. When a magnetic material 8 for by-path is moved in the arrow head direction and magnetic flux phi1 is increased, the magnetic flux phi2 passing through the armature 5 decreases only by the increasing section, an operating point moves to (c) and the printing time T can be returned to original T1. Thus, the variation of the printing time due to the deterioration of the flat spring can be compensated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6529880A JPS6040991B2 (en) | 1980-05-19 | 1980-05-19 | wire dot head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6529880A JPS6040991B2 (en) | 1980-05-19 | 1980-05-19 | wire dot head |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56161173A true JPS56161173A (en) | 1981-12-11 |
JPS6040991B2 JPS6040991B2 (en) | 1985-09-13 |
Family
ID=13282867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6529880A Expired JPS6040991B2 (en) | 1980-05-19 | 1980-05-19 | wire dot head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6040991B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4537171A (en) * | 1983-02-28 | 1985-08-27 | Nippondenso Co., Ltd. | Fuel injection device |
JPS6381054A (en) * | 1986-09-24 | 1988-04-11 | Seikosha Co Ltd | Printer head |
JPH0627205U (en) * | 1992-09-14 | 1994-04-12 | 繁明 田内 | Flexible caster with slide type turntable with built-in two-stage ball bearing |
CN110171203A (en) * | 2018-02-19 | 2019-08-27 | 海德堡印刷机械股份公司 | Method for compensating the failure print nozzles in ink-jet printer |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0286085U (en) * | 1988-12-21 | 1990-07-06 | ||
JPH0289792U (en) * | 1988-12-27 | 1990-07-17 |
-
1980
- 1980-05-19 JP JP6529880A patent/JPS6040991B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4537171A (en) * | 1983-02-28 | 1985-08-27 | Nippondenso Co., Ltd. | Fuel injection device |
JPS6381054A (en) * | 1986-09-24 | 1988-04-11 | Seikosha Co Ltd | Printer head |
JPH0627205U (en) * | 1992-09-14 | 1994-04-12 | 繁明 田内 | Flexible caster with slide type turntable with built-in two-stage ball bearing |
CN110171203A (en) * | 2018-02-19 | 2019-08-27 | 海德堡印刷机械股份公司 | Method for compensating the failure print nozzles in ink-jet printer |
Also Published As
Publication number | Publication date |
---|---|
JPS6040991B2 (en) | 1985-09-13 |
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