JPS5611273A - Impact dot-head - Google Patents
Impact dot-headInfo
- Publication number
- JPS5611273A JPS5611273A JP8784579A JP8784579A JPS5611273A JP S5611273 A JPS5611273 A JP S5611273A JP 8784579 A JP8784579 A JP 8784579A JP 8784579 A JP8784579 A JP 8784579A JP S5611273 A JPS5611273 A JP S5611273A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- iron core
- arrangement
- dot
- diameter
- 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
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 obtain a muti-pin dot-head miniaturized and produced at low cost by a method wherein iron core frames are laminated in layer in the manner that the positions of arrangement and phases of driving coils of adjacent iron core frames are different each other. CONSTITUTION:Iron core frame 21 of the first layer and that 22 of the second layer are disposed being overlapped each other. When a pin 24 is provided, twelve each of driving coils on the periphery of the iron core frame 21 of the first layer as indicated by the broken line in the drawing, while on the second layer iron core frame 22, driving coils 23 are arranged on the position as indicated by the solid line which is displaced by a half pitch in the phase arrangement of the first layer. By the arrangement in said manner, the diameter of the arrangement configuration d1' of each of the iron core frames 21 and 22 can be sufficed by the length enough for the arrangement of twelve dots while said diameter value d1' covers for 24 dots, thereby enabling the reduction in the outer diameter D' of dot-head. As for the arrangement diameter d2' of a wire button 25a where a dot-wire 25 of the first layer engages with a lever body 24, its diameter space may be sufficient enough as permitting the passing through of dot-wire 25 being transmitted by the second layer through the space made by the adjacent lever body 24, resulting in the miniaturization of the entire apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8784579A JPS5611273A (en) | 1979-07-11 | 1979-07-11 | Impact dot-head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8784579A JPS5611273A (en) | 1979-07-11 | 1979-07-11 | Impact dot-head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5611273A true JPS5611273A (en) | 1981-02-04 |
Family
ID=13926222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8784579A Pending JPS5611273A (en) | 1979-07-11 | 1979-07-11 | Impact dot-head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5611273A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61130433U (en) * | 1985-02-01 | 1986-08-15 | ||
| US5169246A (en) * | 1989-07-17 | 1992-12-08 | Francesco Bernardis | Reduced diameter wire tips in a wire printing head |
-
1979
- 1979-07-11 JP JP8784579A patent/JPS5611273A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61130433U (en) * | 1985-02-01 | 1986-08-15 | ||
| US5169246A (en) * | 1989-07-17 | 1992-12-08 | Francesco Bernardis | Reduced diameter wire tips in a wire printing head |
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