JPS5936373A - Reproducer for disk-shaped recording medium - Google Patents
Reproducer for disk-shaped recording mediumInfo
- Publication number
- JPS5936373A JPS5936373A JP14506082A JP14506082A JPS5936373A JP S5936373 A JPS5936373 A JP S5936373A JP 14506082 A JP14506082 A JP 14506082A JP 14506082 A JP14506082 A JP 14506082A JP S5936373 A JPS5936373 A JP S5936373A
- Authority
- JP
- Japan
- Prior art keywords
- pedestal
- feed
- pin
- screw
- hole
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、情報を記録した円盤を回転させ、この情報を
読取る読取手段を、前記円盤の半径方向に移動させて円
盤に記録された情報を読取る円盤状記録媒体再生装置に
関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention rotates a disc on which information is recorded, and moves a reading means for reading this information in the radial direction of the disc to read the information recorded on the disc. The present invention relates to a disk-shaped recording medium reproducing device.
従来例の構成とその問題点
近年、記録媒体への情報の記録は高密ＩＪｙ化が」１（
み、それに伴って、前記情報の読取手段の移動にも高精
度々ものが要求されている。Conventional configurations and their problems In recent years, the recording of information on recording media has become more and more dense.
Accordingly, high precision is also required for the movement of the information reading means.
従来より円盤に記録された情報を読取る読取手段を移動
させる方法として−送り溝を利用したものが使用されて
いる。 。Conventionally, a method using a feed groove has been used as a method of moving a reading means for reading information recorded on a disk. .
第１図および第２図はそのような従来例を示すものであ
る。第１図、第２図において１は磁気記録再生用ソート
−２は同シートの駆動スピンドル、３は駆動モータ、４
は前記磁気シート１にＭＬ録された信号を読取る磁気ヘ
ッド、５は磁気ヘッドを保持する保持台で、一端に軸受
６ａ 、ｅ＋ｂを備え。FIGS. 1 and 2 show such conventional examples. In Figures 1 and 2, 1 is a magnetic recording/reproducing sorter, 2 is a drive spindle for the same sheet, 3 is a drive motor, and 4 is a drive spindle for the same sheet.
numeral 5 is a magnetic head for reading the ML recorded signals on the magnetic sheet 1; 5 is a holder for holding the magnetic head; one end thereof is provided with bearings 6a, e+b;
ガイド軸７に前記軸受６ａ、６ｂを嵌合させている。保
持台６の他端部には前記ガイド軸下と概略平行に送りネ
ジ８が設けられ、この送りネジ８のネジ溝に係合するピ
ン９が板バネ１０に固着され。The guide shaft 7 is fitted with the bearings 6a and 6b. A feed screw 8 is provided at the other end of the holding base 6 approximately parallel to the bottom of the guide shaft, and a pin 9 that engages with a thread groove of the feed screw 8 is fixed to a leaf spring 10.
保持台５にネジ１１で固定されている。そしてピン９は
ネジ溝に対し、前記板バネ１０のバネ圧により押圧され
ている。１２ａ、１２ｂは基台１７に設けられた軸受で
、送りネジ８を回動保持するよう構成されている。１３
は送りネジ８を軸方向に付勢するスラストバネ、１４は
送りネジ８の外周に係合されている止め輪、１６は送り
モータで、連結継手１６を介して送りネジ８と連結され
ている。１８はガイド軸７を基台１７に、ネジ１１で締
付けて固定する同定板である。It is fixed to the holding stand 5 with screws 11. The pin 9 is pressed against the thread groove by the spring pressure of the leaf spring 10. Bearings 12a and 12b are provided on the base 17 and are configured to rotationally hold the feed screw 8. 13
1 is a thrust spring that urges the feed screw 8 in the axial direction; 14 is a retaining ring engaged with the outer periphery of the feed screw 8; and 16 is a feed motor, which is connected to the feed screw 8 via a coupling joint 16. Reference numeral 18 denotes an identification plate for fixing the guide shaft 7 to the base 17 by tightening the screws 11.
以上のように構成されているから、送りモータ１５を駆
動させて送りネジ８を回転させると−ネジ溝とピン９の
保合により、保持台６はガイド軸７との嵌合部を中心に
、ガイド軸７に沿って移動をすることができ、磁気シー
ト１の情報を磁気ヘッド４にて順次読取ることができる
。With the above structure, when the feed motor 15 is driven and the feed screw 8 is rotated, the holding base 6 is moved around the fitting part with the guide shaft 7 due to the engagement of the thread groove and the pin 9. , along the guide shaft 7, and the information on the magnetic sheet 1 can be sequentially read by the magnetic head 4.
ところが、このような従来の構成においては、送りネジ
８の回転によって、この送りネジ８のネジ溝に係合する
ピン９に力が加えられると、この力により前記板バネ１
０にたわみが生じ、そのだめ送りネジ８の回転に対し保
持台５の移動がｉＥ確に追従しなくなる。このため情報
読取手段である磁気へラド４の正確な移動ができないと
いう問題点を有していた。However, in such a conventional configuration, when force is applied to the pin 9 that engages with the thread groove of the feed screw 8 due to rotation of the feed screw 8, this force causes the leaf spring 1 to
As a result, the movement of the holding base 5 cannot accurately follow the rotation of the feed screw 8. For this reason, there was a problem in that the magnetic head 4, which is the information reading means, could not be moved accurately.
発明の目的
本発明は上記従来の問題点を解消し、読取手段が正確に
移動できるようにした円盤状記録媒体再生装置を提供す
ることを目的とするものである。OBJECTS OF THE INVENTION It is an object of the present invention to solve the above-mentioned conventional problems and to provide a disk-shaped recording medium reproducing device in which the reading means can be moved accurately.
発明の構成
本発明は、保持台と送りネジとを結合する送り手段を、
保持台に固着されかつ一端が開口となった孔を有する台
座と、この台座の孔に移動１′−１在に挿入された送り
ピンと、上記孔内に挿入され、上記送りピンを上記開口
部に向けて付勢する抑圧手段と、上記送りピンと台座の
外れを防止する保持手段とで構成し、」二記送りピンを
台座の孔によって位置規制しながら上記抑圧手段で一方
向に付勢して送りネジのネジ溝に係合することにより、
保持台を送りネジのネジ溝のピッチに正確に追従させて
移動させるようにしだものである、実施例の説明
以下、本発明の一実施例について第３図、第４図、第６
図とともに説明する。Structure of the Invention The present invention provides a feeding means for coupling a holding base and a feed screw,
a pedestal fixed to a holding pedestal and having a hole with one end open; a feed pin inserted into the hole of the pedestal while moving 1'-1; and a holding means for preventing the feed pin and the pedestal from coming off; By engaging with the thread groove of the feed screw,
Description of an embodiment in which the holding stand is moved by accurately following the pitch of the thread groove of the feed screw. Figures 3, 4, and 6 show an embodiment of the present invention below.
This will be explained with figures.
第３図、第４図、第５図において、第１図、第２図と同
一機能を有する部分には同−省号を刺して説明を省略す
る、
１９は外周の一部にネジ加工が施され、送りネジ８の半
径方向に設けられた保持台６のネジ部に螺着されている
台座で、この台座１９は第４図に示すように外周のネジ
溝とほぼ同軸」二で、送りネジ８側に開口を有する孔が
設けられている。２０はこの台座１９の孔に隙間なくし
かも軸方向に移動可能に嵌合保持され、先端が球面状に
構成された送りピンで、前記球面状の先端部を台座１９
の孔より突出させており、ここが送りネジ８のネジ溝と
係合している。台座９の孔には圧縮ノ（ネ２１が挿入さ
れており、送りピン２０を送りネジのネジ溝に向けて一
定圧力で付勢している。２２は台座１９に固着された保
持板で一内径が台１ｘｌ／、１９の孔より小さく構成さ
れており、前記送りピン２０が圧縮バネ２１により旧都
される力を受け１１−める働きをしているー
このように構成すれば、送りネジ８のネジ溝に係合する
送りピン２０が、台座１９の孔の内周で規制されなから
嵌合保持さり、るため、送りネジ８０回転によって発生
する力の方向に関係なく送りネジ８のネジ溝との保合を
一定状態に都度よく保つことができ、その結果、磁気ヘ
ッド４を１１７１ｆＬＬよく移動させることができる。In Figures 3, 4, and 5, parts that have the same functions as those in Figures 1 and 2 will be labeled with the same ministry name and the explanation will be omitted. This pedestal 19 is approximately coaxial with the thread groove on the outer periphery as shown in FIG. A hole having an opening on the feed screw 8 side is provided. Reference numeral 20 denotes a feed pin which is fitted and held in a hole of the pedestal 19 so as to be movable in the axial direction without a gap, and has a spherical tip.
It protrudes from the hole, and engages with the thread groove of the feed screw 8. A compression screw 21 is inserted into the hole of the pedestal 9, and urges the feed pin 20 with a constant pressure toward the thread groove of the feed screw. 22 is a holding plate fixed to the pedestal 19. The inner diameter is smaller than the hole in the base 1xl/, 19, and the feed pin 20 has the function of receiving the force exerted by the compression spring 21.If configured in this way, the feed screw The feed pin 20 that engages with the thread groove of the feed screw 8 is not restricted by the inner periphery of the hole of the pedestal 19 and is held fit, so that the feed pin 20 that engages with the thread groove of the feed screw 8 is not restricted by the inner periphery of the hole of the pedestal 19. The engagement with the thread groove can be kept constant each time, and as a result, the magnetic head 4 can be moved 1171fLL well.
さらに送り不ン８のネジ溝への送りピン２０のイ＝Ｉ勢
を圧縮バネ２１で行なうようにすれば、従来の根バネに
比べてばらつきの少ない安定した付勢がなされるので、
送りピン２０とネジ溝との保合も安定で均一に保たれる
。しかも、保持板２２により１台座１９．送りピン２０
．圧縮バネ２１を一体として取扱うことができるため１
組込が容易になるばかりでなく。Furthermore, if the compression spring 21 is used to force the feed pin 20 into the screw groove of the feed pin 8, a stable force with less variation can be achieved compared to conventional root springs.
The engagement between the feed pin 20 and the screw groove is also kept stable and uniform. Moreover, one pedestal 19. Feed pin 20
．． 1 because the compression spring 21 can be handled as one unit.
Not only is it easier to integrate;
−構成部品として組込み前工程での検査が容易に行々う
ことかでき便利である。また、台座１９をネジ込むこと
により保持台５に数個ける本実施例によれば、第５図に
示すように台座１９のネ／部をゆるめるだけで、送りネ
ジ８のネジ溝と送りピン２ｏとの保合を外すことができ
るだめ、送りモータ１６を回転させずに保持台６を移動
させることもでき極めて便利である。- It is convenient because it can be easily inspected as a component before it is assembled. In addition, according to this embodiment, several screws can be attached to the holding base 5 by screwing the base 19, and as shown in FIG. 2o, the holding table 6 can be moved without rotating the feed motor 16, which is extremely convenient.
なお、上記実施例では保持板２２を台座１９と別の部材
で構成したが、台座１９の孔に圧縮バネ２１、送りピン
２ｏを挿入した後、台座１９の一部をノノンメウｑ゛の
手段により内部に」ノｒり曲げて送りピン２０を保持す
るようにしてもよい。In the above embodiment, the holding plate 22 was made of a separate member from the pedestal 19, but after inserting the compression spring 21 and the feed pin 2o into the hole of the pedestal 19, a part of the pedestal 19 was removed by a non-contact method. The feed pin 20 may be held by bending it inward.
発明の効果
以上のように本発明は、送りネジのネジ溝と係合１〜て
保持台め移動を行なう送りピンを台座の孔に嵌合保持す
るものであるから、送りネジの回転によって発生する力
の方向に関係なく送りネジのネジ溝と送りピンとの保合
を一定状態に精度よく保つことができ、保持台を精度よ
く移動させることができる。また、送りピンを台座の孔
で位置規制し寿から圧縮バネ等の押圧手段によレーカ向
に付勢しているからネジ溝と送りピンとの保合が安定か
つ均一に保たれ、円滑でばらつきの少ない送り動作が得
られる。捷だ保持手段によって台座。Effects of the Invention As described above, in the present invention, since the feed pin, which engages with the thread groove of the feed screw and moves toward the holding base, is fitted into the hole of the base and held, the The thread groove of the feed screw and the feed pin can be maintained in a constant state with high precision regardless of the direction of the force applied, and the holding base can be moved with high precision. In addition, since the position of the feed pin is regulated by the hole in the pedestal and biased toward the raker by a pressing means such as a compression spring, the engagement between the thread groove and the feed pin is maintained stably and uniformly, making it smooth and uneven. This results in a feed operation with less turbulence. The pedestal is held by a means of holding.
送りピン、抑圧手段を一体に取扱うことができるため組
込みが容易となるとともに、紺込前子の検査が容易に行
なうことができるという効果がある。Since the feed pin and the suppressing means can be handled as one unit, it is easy to assemble the device, and it is also possible to easily inspect the front panel.
寸だ台座を保持台に螺着するようにし７た場合には、台
座の外周のネジをゆるめるだけで送りネ／と送りピンと
の保合を外すことができるので、送りモータを回すこと
なく保持台を移動させることができ、しだがって保持台
の任意の位置への移動が手動にて素早くできるという効
果が得らり、る。If the pedestal is screwed onto the holding base, the feed screw can be uncoupled from the feed pin by simply loosening the screws around the pedestal, so it can be held without turning the feed motor. The table can be moved, and therefore the holding table can be quickly moved manually to any desired position.
第１図は従来例を示す上面図、第２図は同ｉＥ １ｌｌ
ｉ図、第３図は本発明の一実施例を示す上面図、第４図
および第５図は同部分断面図である。
１・・・・・・磁気シート、３・・・・・・駆動モータ
、４・・・・・磁気ヘッド、６・・・・・・保持台、６
ａ 、ｅｂ・・・・・・軸受、７・・・・・・ガイド軸
、８・・・・・・送りネジ、９・・・・・・ピンン、１
ｏ・・・・・・板バネ、１１・・・・・・ネジ、１２ａ
、１２ｂ・・・・軸受、１３・・・・・・スラストノく
ネー１５・・・・・・送りモータ、１６ ・・・・連結
継手、１７・・・・・・基台、１８・・・・・・固定板
、１９・・・・・・台座−２０・・・・・・送りピン、
２１・・・・・・圧縮バネ、２２・・・・・・保持板。
代胛人の氏名 弁理士 中 尾 敏 男 ほか１名４２
第１図
第 ３ 図
第４図 第５図Figure 1 is a top view showing the conventional example, Figure 2 is the same iE 1ll
FIGS. i and 3 are top views showing one embodiment of the present invention, and FIGS. 4 and 5 are partial sectional views thereof. 1...Magnetic sheet, 3...Drive motor, 4...Magnetic head, 6...Holding stand, 6
a, eb...Bearing, 7...Guide shaft, 8...Feed screw, 9...Pin, 1
o...Plate spring, 11...Screw, 12a
, 12b...Bearing, 13...Thrust nut 15...Feed motor, 16...Connection joint, 17...Base, 18... ... Fixed plate, 19 ... Pedestal -20 ... Feed pin,
21... Compression spring, 22... Holding plate. Name of substitute Patent attorney Toshio Nakao and one other person42 Figure 1 Figure 3 Figure 4 Figure 5
Claims (2)
ネジに移動自在に嵌合されかつ一部に円盤状記録媒体の
読取手段が設けられた保持台と、上記送りネジの回転に
応じて」二記保持台を送りネジの軸方向に送る送り手段
とを備え、上記送−リ手段を保持台に固着されかつ一端
が開口となった孔を有する台座と、この台座の孔に移動
自在′挿入された送り１′と一十記孔キ′挿入され、」
二記送りピンを」二記孔の開口部に向けて（＝１勢する
抑圧手段と、」二記送りピンと台座との外れを防１１−
する保持手段とで構成し、上記送りピンの先端を上記送
りネジのネジ溝に係合するようにしたことを特徴とする
円盤状記録媒体再生装置。(1) A feed screw with a threaded groove on its outer periphery, a holder movably fitted to the feed screw and partially provided with reading means for a disk-shaped recording medium, and and a feeding means for feeding the holding base in the axial direction of the feed screw; the feeding means is fixed to the holding base and has a hole with one end open; A movable 'feed 1' and ten holes 'inserted,'
A suppressing means for pushing the feed pin toward the opening of the hole, and preventing the feed pin from coming off the pedestal.
1. A disk-shaped recording medium reproducing device comprising: a holding means for holding the feed pin, the tip of the feed pin being engaged with a thread groove of the feed screw.
に螺着するようにしたことを特徴とする特許請求の範囲
第１項記載の円盤状記録媒体１）生装置。(2) A disk-shaped recording medium according to claim 1, wherein the outer periphery of the pedestal is threaded so that the pedestal is screwed onto a holding base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14506082A JPS5936373A (en) | 1982-08-20 | 1982-08-20 | Reproducer for disk-shaped recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14506082A JPS5936373A (en) | 1982-08-20 | 1982-08-20 | Reproducer for disk-shaped recording medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5936373A true JPS5936373A (en) | 1984-02-28 |
| JPH0136175B2 JPH0136175B2 (en) | 1989-07-28 |
Family
ID=15376444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14506082A Granted JPS5936373A (en) | 1982-08-20 | 1982-08-20 | Reproducer for disk-shaped recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5936373A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6168363U (en) * | 1984-10-08 | 1986-05-10 | ||
| JPS63206971A (en) * | 1987-02-24 | 1988-08-26 | Pioneer Electronic Corp | Pickup driving device for disk player |
| FR2661273A1 (en) * | 1990-04-23 | 1991-10-25 | Asahi Optical Co Ltd | DISC MEMORY DEVICE. |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5779975U (en) * | 1980-10-30 | 1982-05-17 |
-
1982
- 1982-08-20 JP JP14506082A patent/JPS5936373A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5779975U (en) * | 1980-10-30 | 1982-05-17 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6168363U (en) * | 1984-10-08 | 1986-05-10 | ||
| JPH0341328Y2 (en) * | 1984-10-08 | 1991-08-30 | ||
| JPS63206971A (en) * | 1987-02-24 | 1988-08-26 | Pioneer Electronic Corp | Pickup driving device for disk player |
| FR2661273A1 (en) * | 1990-04-23 | 1991-10-25 | Asahi Optical Co Ltd | DISC MEMORY DEVICE. |
| US5243591A (en) * | 1990-04-23 | 1993-09-07 | Asahi Kogaku Kogyo Kabushiki Kaisha | Protecting a read/write head from damage |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0136175B2 (en) | 1989-07-28 |
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