JPH0212193B2 - - Google Patents
Info
- Publication number
- JPH0212193B2 JPH0212193B2 JP11944481A JP11944481A JPH0212193B2 JP H0212193 B2 JPH0212193 B2 JP H0212193B2 JP 11944481 A JP11944481 A JP 11944481A JP 11944481 A JP11944481 A JP 11944481A JP H0212193 B2 JPH0212193 B2 JP H0212193B2
- Authority
- JP
- Japan
- Prior art keywords
- hammer
- magnetic
- pole piece
- hammer element
- permanent magnet
- 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.)
- Expired
Links
- 230000004907 flux Effects 0.000 claims description 36
- 238000007639 printing Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000000696 magnetic material Substances 0.000 description 7
- 238000004804 winding Methods 0.000 description 6
- 230000014759 maintenance of location Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 241000251131 Sphyrna Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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
- B41J9/00—Hammer-impression mechanisms
- B41J9/26—Means for operating hammers to effect impression
- B41J9/36—Means for operating hammers to effect impression in which mechanical power is applied under electromagnetic control
-
- 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
- B41J9/00—Hammer-impression mechanisms
- B41J9/02—Hammers; Arrangements thereof
- B41J9/127—Mounting of hammers
Landscapes
- Impact Printers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20750380A | 1980-11-17 | 1980-11-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5784882A JPS5784882A (en) | 1982-05-27 |
| JPH0212193B2 true JPH0212193B2 (is) | 1990-03-19 |
Family
ID=22770853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11944481A Granted JPS5784882A (en) | 1980-11-17 | 1981-07-31 | Hammer mechanism |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0052202B1 (is) |
| JP (1) | JPS5784882A (is) |
| AU (1) | AU541518B2 (is) |
| BR (1) | BR8106998A (is) |
| CA (1) | CA1181989A (is) |
| DE (1) | DE3165084D1 (is) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4509421A (en) * | 1982-07-23 | 1985-04-09 | Citizen Watch Company Limited | Printer head for a dot line printer |
| DE3243477A1 (de) * | 1982-11-22 | 1984-05-24 | Mannesmann AG, 4000 Düsseldorf | Nadeldruckkopf fuer matrixdrucker |
| US4524259A (en) * | 1983-04-04 | 1985-06-18 | Dataproducts Corporation | Print hammer assembly method |
| US4503768A (en) * | 1983-07-11 | 1985-03-12 | Mannesmann Tally Corporation | Single piece hammer module |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5623856Y2 (is) * | 1978-05-15 | 1981-06-04 | ||
| JPS55103977A (en) * | 1979-02-06 | 1980-08-08 | Nec Corp | Driving device for print pin |
-
1981
- 1981-07-31 JP JP11944481A patent/JPS5784882A/ja active Granted
- 1981-09-23 DE DE8181107583T patent/DE3165084D1/de not_active Expired
- 1981-09-23 EP EP19810107583 patent/EP0052202B1/de not_active Expired
- 1981-09-30 CA CA000387025A patent/CA1181989A/en not_active Expired
- 1981-10-29 BR BR8106998A patent/BR8106998A/pt unknown
- 1981-11-12 AU AU77425/81A patent/AU541518B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| AU541518B2 (en) | 1985-01-10 |
| AU7742581A (en) | 1982-05-27 |
| CA1181989A (en) | 1985-02-05 |
| EP0052202A1 (de) | 1982-05-26 |
| DE3165084D1 (en) | 1984-08-30 |
| BR8106998A (pt) | 1982-07-13 |
| EP0052202B1 (de) | 1984-07-25 |
| JPS5784882A (en) | 1982-05-27 |
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