JPH03116932U - - Google Patents
Info
- Publication number
- JPH03116932U JPH03116932U JP2555790U JP2555790U JPH03116932U JP H03116932 U JPH03116932 U JP H03116932U JP 2555790 U JP2555790 U JP 2555790U JP 2555790 U JP2555790 U JP 2555790U JP H03116932 U JPH03116932 U JP H03116932U
- Authority
- JP
- Japan
- Prior art keywords
- yoke
- iron core
- magnetic
- magnetic coupling
- fluid
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000011553 magnetic fluid Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Impact Printers (AREA)
- Soft Magnetic Materials (AREA)
Description
第１図は、本考案の一実施例であるインパクト
ドツトヘツドの断面構成図。第２図は、本考案の
一実施例であるインパクトドツトヘツドの磁気回
路の構成図。第３図は、本考案の一実施例である
インパクトドツトヘツドの部分構成斜視図。
１……磁性流体、２……アーマチユア、３……
可動鉄心、４……コイル押え板（ヨーク）、７…
…コイル、８……印刷ワイヤー。
FIG. 1 is a sectional view of an impact dot head which is an embodiment of the present invention. FIG. 2 is a configuration diagram of a magnetic circuit of an impact dot head which is an embodiment of the present invention. FIG. 3 is a partial structural perspective view of an impact dot head which is an embodiment of the present invention. 1... Magnetic fluid, 2... Armature, 3...
Movable iron core, 4... Coil holding plate (yoke), 7...
...Coil, 8...Printing wire.
Claims (1)
報を印刷するインパクトドツトヘツドにおいて、
固定鉄心部と繋鉄部と端部の生成される磁力線と
平行な方向の断面形状が台形である磁気結合部と
からなるヨークと、該ヨークに付設されたコイル
と、前記ヨークの固定鉄心部と前記ヨークの磁気
結合部とに空隙を有して対向し可動なように配設
された可動鉄心と、磁性流体とからなり、前記可
動鉄心と前記ヨークの磁気結合部との間に前記磁
性流体を注入して保持したことを特徴とするイン
パクトドツトヘツド。 In impact dot heads that print information by selectively driving printing wires,
A yoke consisting of a fixed iron core part, a connecting iron part, and a magnetic coupling part having a trapezoidal cross-sectional shape in a direction parallel to the lines of magnetic force generated at the end, a coil attached to the yoke, and a fixed iron core part of the yoke. and a magnetic fluid, and a movable iron core movably disposed facing and facing the magnetic coupling portion of the yoke with a gap therebetween, and a magnetic fluid between the movable iron core and the magnetic coupling portion of the yoke. An impact dot head characterized by injecting and retaining fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2555790U JPH03116932U (en) | 1990-03-13 | 1990-03-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2555790U JPH03116932U (en) | 1990-03-13 | 1990-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03116932U true JPH03116932U (en) | 1991-12-03 |
Family
ID=31528489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2555790U Pending JPH03116932U (en) | 1990-03-13 | 1990-03-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03116932U (en) |
-
1990
- 1990-03-13 JP JP2555790U patent/JPH03116932U/ja active Pending
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