JPH0319042U - - Google Patents
Info
- Publication number
- JPH0319042U JPH0319042U JP7749489U JP7749489U JPH0319042U JP H0319042 U JPH0319042 U JP H0319042U JP 7749489 U JP7749489 U JP 7749489U JP 7749489 U JP7749489 U JP 7749489U JP H0319042 U JPH0319042 U JP H0319042U
- Authority
- JP
- Japan
- Prior art keywords
- yoke
- heat sink
- yokes
- auxiliary
- printing
- 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
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Impact Printers (AREA)
Description
第１図は本考案に係る印字ヘツドの全体斜視図
、第２図は第１図の−矢視図、第３図は本考
案の印字ヘツドの分解斜視図、第４図はヨークヘ
ウエヨークを装着した状態を示す図、第５図は公
知の印字ヘツドを示す第２図と同様の図、第６図
は公知の印字ヘツドの放熱体を示す斜視図である
。
符号の説明、２０…印字ヘツド、２２…ヨーク
、２４…ヒートシンク、２６…ウエヨーク、２８
…ケース部材、３０…ウエヨークセツトガイド部
、３８…位置決めピン。
Fig. 1 is an overall perspective view of the printing head according to the present invention, Fig. 2 is a view taken from the - arrow in Fig. 1, Fig. 3 is an exploded perspective view of the printing head of the invention, and Fig. 4 is a yoke and a yoke. FIG. 5 is a view similar to FIG. 2 showing a known printing head, and FIG. 6 is a perspective view showing a heat sink of a known printing head. Explanation of symbols, 20...Print head, 22...Yoke, 24...Heat sink, 26...Way yoke, 28
...Case member, 30... Way yoke set guide section, 38... Positioning pin.
Claims (1)
ークに対向して配置される複数の印字ハンマユニ
ツトと、これらの印字ハンマユニツトをばねを介
して保持する複数の補助ヨークと、この各補助ヨ
ークを上記ヨークと共にその間に挟持するケース
部材と、前記ヨークとケース部材との間にありハ
ンマユニツトに発生する熱を放散するためのヒー
トシンクと、より成る高速タイプ用印字ヘツドで
あつて、 ヒートシンクとヨークとを所定の位置関係に配
設するための位置決め手段を有し、ヒートシンク
が印字ハンマユニツト及び補助ヨークから成るウ
エヨークを特定位置に位置決めすると同時に補助
ヨークの側面に面接触するウエヨークセツトガイ
ド部を有して成ることを特徴とする印字ヘツド。 ２ ヒートシングがアルミニウム材料により形成
されていることを特徴とする請求項１記載の印字
ヘツド。[Claims for Utility Model Registration] 1. A yoke having a permanent magnet and an electromagnet, a plurality of printing hammer units arranged opposite to this yoke, and a plurality of auxiliary yokes that hold these printing hammer units via springs. A high-speed type printing head comprising: a case member for sandwiching each of the auxiliary yokes together with the yokes; a heat sink located between the yokes and the case member for dissipating heat generated in the hammer unit; It has a positioning means for arranging the heat sink and the yoke in a predetermined positional relationship, and the heat sink positions the way yoke consisting of the printing hammer unit and the auxiliary yoke at a specific position and at the same time makes surface contact with the side surface of the auxiliary yoke. A print head comprising a way yoke set guide section. 2. The print head of claim 1, wherein the heat sink is made of aluminum material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7749489U JPH0621722Y2 (en) | 1989-06-30 | 1989-06-30 | Print head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7749489U JPH0621722Y2 (en) | 1989-06-30 | 1989-06-30 | Print head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0319042U true JPH0319042U (en) | 1991-02-25 |
| JPH0621722Y2 JPH0621722Y2 (en) | 1994-06-08 |
Family
ID=31619933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7749489U Expired - Lifetime JPH0621722Y2 (en) | 1989-06-30 | 1989-06-30 | Print head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0621722Y2 (en) |
-
1989
- 1989-06-30 JP JP7749489U patent/JPH0621722Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0621722Y2 (en) | 1994-06-08 |