JPH02105278U - - Google Patents
Info
- Publication number
- JPH02105278U JPH02105278U JP1507789U JP1507789U JPH02105278U JP H02105278 U JPH02105278 U JP H02105278U JP 1507789 U JP1507789 U JP 1507789U JP 1507789 U JP1507789 U JP 1507789U JP H02105278 U JPH02105278 U JP H02105278U
- Authority
- JP
- Japan
- Prior art keywords
- head
- guide shaft
- reduction gear
- fixed
- rotation detection
- 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
- 238000001514 detection method Methods 0.000 claims description 5
Landscapes
- Moving Of Heads (AREA)
Description
第１図は本考案に係る磁気記録再生装置のヘツ
ド送り機構の一実施例を示す斜視図、第２図は本
実施例における減速機構部および送り螺子回転検
出部の詳細を示す平面図、第３図は本実施例にお
ける第１、第２減速ギア、回転検知円盤、ねじり
コイルばね及び螺子軸の組付け状態を示す断面図
、第４図は第３図に示す第１、第２減速ギア、回
転検知円盤、ねじりコイルばね及び送り螺子軸の
分解斜視図である。
４……ヘツドキヤリツジ、１０……ガイド軸と
しての送り螺子軸、２２……回転検知円盤、２３
……駆動側ギアとしてのモータ軸ギア、２４……
第１減速ギア、２５……第２減速ギア、２６……
ばね手段としてのねじりコイルばね。
FIG. 1 is a perspective view showing an embodiment of the head feeding mechanism of the magnetic recording and reproducing apparatus according to the present invention, FIG. 3 is a sectional view showing the assembled state of the first and second reduction gears, rotation detection disk, torsion coil spring, and screw shaft in this embodiment, and FIG. 4 is the first and second reduction gears shown in FIG. 3. , is an exploded perspective view of the rotation detection disk, the torsion coil spring, and the feed screw shaft. 4... Head carriage, 10... Feed screw shaft as a guide shaft, 22... Rotation detection disc, 23
...Motor shaft gear as drive side gear, 24...
First reduction gear, 25...Second reduction gear, 26...
Torsion coil spring as spring means.
Claims (1)
ツドキヤリツジ４を、中心軸回りに回転すること
によつて該ヘツドの送り方向に沿つて移動させる
ガイド軸１０と、 それぞれ共に上記ガイド軸１０の一端に装着さ
れて駆動側ギア２３に噛合し、一方は該ガイド軸
１０に固定された第１減速ギア２４と、他方は該
ガイド軸１０に対して回動が許容されて嵌入され
た第２減速ギア２５と、 上記第２減速ギア２５に臨む位置で上記ガイド
軸１０に固定されたフオトインタラプタ用回転検
知円盤２２と、 上記回転検知円盤２２と上記第２減速ギア２５
との間に介設されてこれらの間に回転方向の弾発
付勢力を発生するばね手段２６とを備えたことを
特徴とする磁気記録再生装置のヘツド送り機構。[Claims for Utility Model Registration] A guide shaft 10 for moving a head carriage 4 on which a head of a magnetic recording/reproducing device is installed and fixed along the feeding direction of the head by rotating around a central axis. It is attached to one end of the guide shaft 10 and meshes with the drive side gear 23, one of which is connected to the first reduction gear 24 fixed to the guide shaft 10, and the other is allowed to rotate with respect to the guide shaft 10. The fitted second reduction gear 25; the photo interrupter rotation detection disk 22 fixed to the guide shaft 10 at a position facing the second reduction gear 25; the rotation detection disk 22 and the second reduction gear 25.
1. A head feeding mechanism for a magnetic recording and reproducing apparatus, comprising a spring means 26 interposed between the head and the head and generating a resilient urging force in the rotational direction between them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1507789U JPH02105278U (en) | 1989-02-09 | 1989-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1507789U JPH02105278U (en) | 1989-02-09 | 1989-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02105278U true JPH02105278U (en) | 1990-08-21 |
Family
ID=31226817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1507789U Pending JPH02105278U (en) | 1989-02-09 | 1989-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02105278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014006466A (en) * | 2012-06-27 | 2014-01-16 | Canon Inc | Lens barrel and imaging apparatus |
-
1989
- 1989-02-09 JP JP1507789U patent/JPH02105278U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014006466A (en) * | 2012-06-27 | 2014-01-16 | Canon Inc | Lens barrel and imaging apparatus |
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