JPS5860477A - Disk clamping device - Google Patents

Disk clamping device

Info

Publication number
JPS5860477A
JPS5860477A JP56158488A JP15848881A JPS5860477A JP S5860477 A JPS5860477 A JP S5860477A JP 56158488 A JP56158488 A JP 56158488A JP 15848881 A JP15848881 A JP 15848881A JP S5860477 A JPS5860477 A JP S5860477A
Authority
JP
Japan
Prior art keywords
disk
disc
clamp knob
clamp
receptacle
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
Application number
JP56158488A
Other languages
Japanese (ja)
Other versions
JPS6233663B2 (en
Inventor
Minoru Izumi
泉 穣
Hiroshi Kawakami
寛 川上
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP56158488A priority Critical patent/JPS5860477A/en
Publication of JPS5860477A publication Critical patent/JPS5860477A/en
Publication of JPS6233663B2 publication Critical patent/JPS6233663B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02Details
    • G11B17/022Positioning or locking of single discs
    • G11B17/028Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/0282Positioning or locking of single discs of discs rotating during transducing operation by means provided on the turntable

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)

Abstract

PURPOSE:To insert-hold a disk securely through simple operation by moving the disk toward a disk receptacle while opening plural blades through the rotation of a clamp knob formed in one body with the disk receptacle, and insert-holding the disk between plural blades and the disk receptacle. CONSTITUTION:When a disk 20 is to be loaded on a disk receptacle 3, the projection part 14 of a brake lever 13 is locked at the lock part 12 of the disk receptacle 3 firstly to lock the disk receptacle 3. Then, the center hole of the disk 20 is placed on the disk receptacle 3 through a clamp knob 4 is run through the hole of the disk and the counter clockwise rotation of the clamp knob 4 rotates and opens plural blades 6 simultaneously; and they are lowered, and thus the disk is fitted by being clamped by the plural blades 6 and disk receptacle 3.

Description

【発明の詳細な説明】 この発明は、光学式DAD (デジタルオーディオディ
スク)システムに好適する光学式ディスクレコード再生
装置に係シ、特にディスククランプ装置の改良に関する
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an optical disc record playback device suitable for an optical DAD (digital audio disc) system, and particularly to an improvement of a disc clamp device.

従来、ディスクレコード再生装置におけるディスククラ
ンプ装置においては、ディスク受けの上にディスクを載
せて、その上から別体に形成されたディスククランプ用
部品を用いてディスク受けにディスクを圧着して取付け
る様になっていたため別体のディスククランプ用部品を
取付ける手数がかが9、L、かもディスククランプ用部
品がディスク受けと別体に形成されていることで紛失す
る虞れがあった。
Conventionally, in a disc clamping device for a disc record playback device, a disc is placed on a disc holder, and then a separately formed disc clamping part is used to press and attach the disc to the disc holder. As a result, it took 9,000 hours to attach the separate disc clamp parts, and there was a risk that the disc clamp parts would be lost because they were formed separately from the disc holder.

この発明は上記の事情に鑑みてなされたもので、ディス
クレコード丙申装置のディスク受けに一体に形成された
クランプ摘みの回動操作によって複数の羽根を開きなが
らディスク受は方向へ移動して、この複数の羽根とディ
スク受けとの間でディスクを挾持することにより簡易な
操作でディスクを確実に挾持し得るディスククランプ装
置を提供することを目的とする。
This invention was made in view of the above-mentioned circumstances, and the disc holder moves in the direction while opening a plurality of blades by rotating a clamp knob formed integrally with the disc holder of the disc record sales device. It is an object of the present invention to provide a disk clamp device that can securely clamp a disk with a simple operation by clamping the disk between the plurality of blades and a disk receiver.

以下図面を参照にして、この発明の一実施例を詳細に説
明する。即ち第1図に示す様にディスクレコード再生装
置のシャーシ1上の中央部に設けられたディスク受は取
付台2の上に円盤状のディスク受け3が回転自在に取付
けられ、このディスク受け3の上には回動自在に円筒状
のクランプ摘み4が設けられる。このクランプ摘み4は
ディスクの孔径よシも小さく、側面には滑〕止め5が設
けられる。又、前記クランプ摘み4の下部にはこのクラ
ンプ摘み4と略同形の筒を複数個に分割した形状をして
いる複数の羽根6が取付けられる。さらに前記ディスク
受は取付台2と対応した前記シャーシ1上の一端部には
突出部7が設けられ、この突出部7と前記ディスク受は
取付台2との間には送シギャ8と案内棒9が略平行にし
て取付けられる。この送pギヤ8にはレーザーツクアッ
プ取付台10が螺合して取付けられると共にとのレーザ
ピックアップ取付台10には前記案内棒9が軸方向に移
動自在に挿入される。とのレーザピックアップ取付台1
0にはレーザピックアップ1ノが取付けられる。前記レ
ーザピックアップ取付台10は、前記送多ギヤ80回転
によシ前記ディスク受は取付台2から前記突出部7まで
前記案内棒9に案内されて移行される。1−Jil記送
りギヤ8には送りモータ10ノの回転音歯車全使用して
減速して伝動される。このとき前記レーザピックアップ
11から放射さ7tたレーザは前記ディスク受け3に取
付けられているガイスフの下面を孔径部から外周部の方
向へ移行しながら照射する。又、前記レーザピックアッ
プ取付台10’cもとの位置にもどす場合いは早送りモ
ータ102を使用して迅速にもとの位置にもどされる。
An embodiment of the present invention will be described in detail below with reference to the drawings. That is, as shown in FIG. 1, a disc-shaped disc holder 3 is rotatably mounted on a mounting base 2 in the disc holder provided in the center of the chassis 1 of the disc record playback device. A cylindrical clamp knob 4 is rotatably provided on the top. This clamp knob 4 has a smaller hole diameter than the disk, and is provided with a non-slip 5 on the side. Further, a plurality of blades 6 each having a shape obtained by dividing a cylinder having substantially the same shape as the clamp knob 4 into a plurality of parts are attached to the lower part of the clamp knob 4. Further, the disc holder is provided with a protrusion 7 at one end on the chassis 1 corresponding to the mounting base 2, and between the protrusion 7 and the disc holder 2, there is a feeding gear 8 and a guide rod. 9 are installed substantially parallel. A laser pickup mount 10 is screwed and attached to the feed p gear 8, and the guide rod 9 is inserted into the laser pickup mount 10 so as to be movable in the axial direction. Laser pickup mount 1 with
A laser pickup 1 is attached to 0. The laser pickup mount 10 is moved by the rotation of the multi-transmission gear 80, and the disk receiver is guided by the guide rod 9 from the mount 2 to the protrusion 7. 1-Jil The entire rotary sound gear of the feed motor 10 is used to reduce the speed and transmit the signal to the feed gear 8. At this time, the laser 7t emitted from the laser pickup 11 irradiates the lower surface of the guide shaft attached to the disk holder 3 while moving from the hole diameter portion toward the outer circumferential portion. Further, when the laser pickup mounting base 10'c is returned to its original position, the rapid forward motor 102 is used to quickly return it to its original position.

父、前記ディスク受け3には外周の一部を切欠した係止
部12が設けられ、この係止部12の係止可能なディス
ク受は塩+1台2上には略T形に形成されたグレーキレ
パー13が略T形の交点を回動軸131により回動自在
に取付けられる。前記グレーキレパー13の一端部には
前記ディスク受け3の係止部12に71応した突起部1
4が設けられ、前記ブレーキレバー13の他端部はビン
15によりブレーキソレノイド16に挿入された鉄芯1
7に取付られる。
Father, the disc holder 3 is provided with a locking part 12 with a part of its outer periphery cut out, and the disc holder of the locking part 12, which can be locked, is formed into a substantially T-shape on the base 2. The Greyki Leper 13 is rotatably mounted at the intersection of a substantially T-shape by a rotation shaft 131. A protrusion 1 corresponding to the locking portion 12 of the disk receiver 3 is provided at one end of the gray reper 13.
4, and the other end of the brake lever 13 is provided with an iron core 1 inserted into a brake solenoid 16 by a pin 15.
Attached to 7.

前記プレーキレ・肴−13の中央の端部と前記ディスク
受は取付台20間には引張ばね18が取付けられ、この
引張ばね18のばね力は前記プカゝ゛ レーキレバー132回動軸13全中心に常時〜時計方向
に回動されるように付与されている。
A tension spring 18 is installed between the center end of the brake lever 13 and the mounting base 20 of the disc holder, and the spring force of this tension spring 18 is always applied to the entire center of the rotation shaft 13 of the brake lever 132. - It is attached so that it can be rotated clockwise.

このようにプレーキレ・々−13には常時時計方向の力
が働いているためグレーキレパー13の突起部14がデ
ィスク受け3の係止部12に挿入係止され、ディスク受
け3はロック状態となる。次にブレーキソレノイド16
に電流を流すと、このブレーキソレノイド16の磁気の
働きで、このブレーキソレノイド16に鉄芯17が吸引
され、この鉄芯17に接続されたブレーキレバー13の
他端部は中央の端部に取付けられ九引張ばね18の時計
方向へのばね力に逆って反時計方向に回動されブレーキ
レバー13の一端部の突起部14も略T形の交点が回動
自在に取付けられていることで反時計方向へ回動されて
、ディスク受け3の係止部12との係止がはずれ、ディ
スク受け3はロック状態から解除される。又、前記ディ
スク受け3の外周直下の前5− 記ディスク受は取付台2にはディスク受は回転検出用反
射センサ19が取付けられる。このディスク受は回転検
出用反射センサ19は前記ディスク受け3の係止部12
′ft感知することで、前記ディスク受け30回転数を
検出する。
As described above, since a clockwise force is always acting on the brake lever 13, the protrusion 14 of the brake lever 13 is inserted and locked into the locking part 12 of the disk receiver 3, and the disk receiver 3 is in a locked state. Next, brake solenoid 16
When a current is applied to the brake solenoid 16, the magnetic force of the brake solenoid 16 attracts the iron core 17, and the other end of the brake lever 13 connected to the iron core 17 is attached to the center end. The protrusion 14 at one end of the brake lever 13 is also rotatably mounted at the intersection point of a substantially T-shape. By being rotated counterclockwise, the disk receiver 3 is disengaged from the locking portion 12, and the disk receiver 3 is released from the locked state. Further, a reflective sensor 19 for detecting the rotation of the disk holder is attached to the disk holder mount 2 immediately below the outer periphery of the disk holder 3. In this disk holder, the reflection sensor 19 for detecting rotation is connected to the locking portion 12 of the disk holder 3.
By sensing 'ft', the number of revolutions of the disc receiver 30 is detected.

次に第2図に示す様に、前記ディスク受け3にディスク
20を装着するには、まずディスク受け3の係止部12
にブレーキレバー13の突起部14を係止してディスク
受け3を口、りする。そこでディスク20の孔径をクラ
ンプ摘み4上通して前記ディスク受け3の上に載せ、前
記クランプ摘み4を反時計方向への回動操作で、複数の
羽根6は回動しながら開かれて降下し、前記ディスク2
0を複数の羽根6と前11′デイスク受け3とによシ挾
持して取付ける・又、第3図に示す様に前記クランプ摘
み4の構成は、モータ21の回転軸22にディスク受は
ストッパ(図示せず)が設けられ、このディスク受はス
トッパに載置してディスク受け3がディスク受け3の中
心部に前記回転軸22を挿入するよう6− にして取付けられる。このディスク受け3上部の前記回
転軸22には有底筒状のクランプ摘み4がその底面を突
き抜けて挿入され、前記クランプ摘み4の簡の中には前
記回転軸22全通してばね23が遊挿される。このばね
23は前記クランプ摘み4の底面と前記回転軸の先端に
取付けられたばねストッ/ぐ−リンダ24とによって挾
持して数個けられ、前記クランプ摘み4に対して前記ば
ね23のばね力が常時前記ディス複数のビン25が突設
され、この複数のビン25には前記複数の羽根6が各々
一端を枢支して数個けられる。又、第4図(a)、第5
図(−)及び第6図<=>に示す様に前記複数の羽根6
には各々収納溝26が設けられ、この収納溝26の一方
には各々連結棒27の一端が枢支されて取付けられる。
Next, as shown in FIG.
The protrusion 14 of the brake lever 13 is engaged and the disc holder 3 is opened. Then, the diameter of the disk 20 is passed through the clamp knob 4 and placed on the disk receiver 3, and by rotating the clamp knob 4 in a counterclockwise direction, the plurality of blades 6 are opened and lowered while rotating. , the disk 2
0 is clamped between a plurality of blades 6 and the front 11' disk receiver 3. Also, as shown in FIG. (not shown), and this disk holder is placed on a stopper, and the disk holder 3 is mounted in a 6-way manner so that the rotating shaft 22 is inserted into the center of the disk holder 3. A bottomed cylindrical clamp knob 4 is inserted into the rotating shaft 22 at the upper part of the disc receiver 3 by penetrating through its bottom surface, and a spring 23 is inserted into the knob of the clamp knob 4 by passing the entire rotating shaft 22 through it. inserted. Several springs 23 are held between the bottom surface of the clamp knob 4 and a spring stop/gun cylinder 24 attached to the tip of the rotating shaft, and the spring force of the spring 23 is applied to the clamp knob 4. A plurality of bins 25 are always protruding from the disk, and each of the plurality of wings 6 is mounted on one end of the bins 25. Also, Figures 4(a) and 5
As shown in Figure (-) and Figure 6<=>, the plurality of blades 6
A storage groove 26 is provided in each of the storage grooves 26, and one end of a connecting rod 27 is pivotally attached to one of the storage grooves 26.

この各々の連結棒27の他端は前記ディスク受け3に突
設された複数のビン28に枢支して取付けられ、前記複
数の羽根6を筒状に′収納したときに前記複数の連結棒
27は前記複数の羽根6の各々の収納溝26に収納され
る。
The other end of each of the connecting rods 27 is pivotally attached to a plurality of pins 28 protruding from the disk receiver 3, and when the plurality of blades 6 are housed in a cylindrical shape, the plurality of connecting rods 27 is stored in the storage groove 26 of each of the plurality of blades 6.

このとき前記複数の羽根6を枢支している前記クランプ
摘み4の複数のビン25は前記ディスク受け3に設けら
れた複数の回動溝29内に移動自在に設けられる。この
複数の回動溝29は前記ディスク受け3の複数のビン2
8の間に円弧状に形成され、一端には各々段部3oが設
けられる。
At this time, the plurality of pins 25 of the clamp knob 4, which pivotally support the plurality of blades 6, are movably provided in the plurality of rotation grooves 29 provided in the disk receiver 3. The plurality of rotation grooves 29 are arranged in the plurality of rotation grooves 29 of the disk receiver 3.
8 is formed in an arc shape, and a stepped portion 3o is provided at each end.

即ち、第4図(b)、第5図6)及び第6図(b)に示
す様にクランプ摘み4を反時計方向へ回動することによ
り、前記クランプ摘み4の複数のビン25はディスク受
け3の複数の回動溝29に沿って各々反時計方向に移動
する。このとき前記クランプ摘み4の複数のビン25に
各々一端を枢支された複数の羽根6は各々複数の連結棒
27の一端を枢支し、この複数の連結棒27の他端は前
記ディスク受け3の複数のビン2BVC各々枢支されて
いることで、前記複数の羽根6は各々の連結棒27の作
用によりクランプ摘み4の複数のビン25を中心にして
時計方向に回動され開き始める。さらに第4図(C)、
第5図(C)及び第6図(c)に示す様に前記クランプ
摘み4を反時計方向へ回動することで、前記クランプ摘
み4の複数のビン25は前記ディスク受け3の複数の回
動溝29に沿って移動して各々段部30Llc挿入され
る。このとき前記クランプ摘み4の複数のビン25に各
々枢支された前記複数の羽根6は前述した複数の連結棒
27の作用によりクランプ摘み4の複数のビン25を中
心にしてさらに時計方向に回動されて全開となる。
That is, by rotating the clamp knob 4 counterclockwise as shown in FIG. 4(b), FIG. 5(6), and FIG. 6(b), the plurality of bins 25 of the clamp knob 4 can They each move counterclockwise along the plurality of rotation grooves 29 of the receiver 3. At this time, a plurality of blades 6 each having one end pivotally supported by a plurality of bottles 25 of the clamp knob 4 pivotally supports one end of a plurality of connecting rods 27, and the other end of the plurality of connecting rods 27 is connected to the disk receiver. 3, the plurality of bins 2BVC are each pivotally supported, so that the plurality of blades 6 are rotated clockwise around the plurality of bins 25 of the clamp knob 4 by the action of each connecting rod 27 and begin to open. Furthermore, Fig. 4 (C),
By rotating the clamp knob 4 counterclockwise as shown in FIGS. The step portions 30Llc are moved along the moving groove 29 and inserted into each step. At this time, the plurality of blades 6, each pivotally supported by the plurality of bottles 25 of the clamp knob 4, are further rotated clockwise around the plurality of bottles 25 of the clamp knob 4 by the action of the plurality of connecting rods 27 described above. It is moved and becomes fully open.

この場合クランプ摘み4の複数のビン25は段部20に
挿入されるため複数の羽根6は複数のビン25が設けら
れたクランプ摘み4と一緒にばね23のばね力によって
ディスク受け3方向に降下し、ディスク20を前記ディ
スク受け3と複数の羽根6とによυ挾持し得る。又、逆
に取付けたディスク20を取外す場合には、ディスク受
け3の係止部12にブレーキレバー13の突起部14を
係止して、ディスク受け3をロ9− ツクし、クランプ摘み4金時計方向へ回動することで、
前記クランプ摘み4の初数のビン25を複数の回動溝に
沿って各々段部3oがら前記複数の回動溝29の他端ま
で移行させる。このとき前記複数の羽根6は前述した複
数の連結棒27の作用によりクランプ摘み4の複数のビ
ン25を中心にして反時計方向に回動され前記クランプ
摘み4の下部に筒状に収納され、ディスク20t−ディ
スクフランジ装置から抜脱し得る。
In this case, since the plurality of bottles 25 of the clamp knob 4 are inserted into the stepped portion 20, the plurality of blades 6 are lowered in the direction of the disk receiver 3 by the spring force of the spring 23 together with the clamp knob 4 provided with the plurality of bottles 25. The disk 20 can be held between the disk holder 3 and the plurality of blades 6. In addition, when removing the disc 20 that has been installed in reverse, lock the protrusion 14 of the brake lever 13 in the locking part 12 of the disc holder 3, lock the disc holder 3, and then release the clamp knob 4. By rotating clockwise,
The first number of bottles 25 of the clamp knob 4 are moved along the plurality of rotation grooves from the stepped portions 3o to the other ends of the plurality of rotation grooves 29, respectively. At this time, the plurality of blades 6 are rotated counterclockwise around the plurality of bins 25 of the clamp knob 4 by the action of the plurality of connecting rods 27 described above, and are housed in a cylindrical shape in the lower part of the clamp knob 4, Disk 20t - can be removed from the disk flange arrangement.

10− 以上述べたように、この発明によると、ディスクをディ
スク受けに取付けるのに別体に形成されたクランプ用部
品を必要とせず、ディスク受けの上部に回動自在に設け
られたディスクの孔径よシも小さく形成されたクランプ
摘みの回動操作のみで、このクランプ摘みの下部に枢支
され、筒状に収納可能に形成された複数の羽根が回動し
ながら開かれて降下することで、ディスク受けに載せら
れたディスクをディスク受けと複数の羽根により確実に
挾持して取付は得、かつディスクの着脱が容易に行ない
得るディスクレコード再生装置に好適するディスククラ
ンプ装置全提供することができる。
10- As described above, according to the present invention, there is no need for a separately formed clamping part to attach the disk to the disk holder, and the diameter of the hole in the disk rotatably provided at the top of the disk holder is fixed. By simply rotating the small clamp knob, the multiple blades, which are pivoted at the bottom of the clamp knob and formed into a cylindrical shape that can be stored, are rotated and opened and lowered. It is possible to provide a complete disc clamping device suitable for a disc record playback device, which securely clamps and mounts a disc placed on a disc holder using a disc holder and a plurality of blades, and allows the disc to be easily attached and detached. .

【図面の簡単な説明】[Brief explanation of drawings]

第1図は、この発明に係る、光学式ディスクレコード再
生装置の一例を示す斜視図、第2図は、このディスクク
ランプ装置にディスクを装着した状態の一例を示す斜視
図、第3図は、この発明の一実施例を示す一部切欠斜視
因、第4図(IL) (b) (C)は、夫々この発明
のディスククランプ装置の各動作状態の一例を示す斜視
図、第5図(a) (b) (c)は、夫々対応した第
4図(a) (b) (c)の羽根部の一例を示す平面
図、第6図(a) (b) (c)は、夫々対応した第
4図(a) (b) (e)の回動溝及びビンの各動作
状態の一例を示す断面図である。 1・・・シャーシ、2・・・ディスク受は取付台、3・
・・ディスク受け、4・・・クランプ摘み、5・・・滑
り止め、6・・・羽根、7・・・突出部、8・・・送シ
ギャ、9・・・案内棒、10・・・レーザピックアップ
数句台、1ノ・・・レーザピックアップ、12・・・係
止部、13・・・ブレーキレバー、16・・・ブレーキ
ソレノイド、18・・・引張ばね、19・・・ディスク
受は回転検出用反射センサ、20・ディスク、2ノ・・
・モータ、22・・・回転軸、23・・・ばね、24・
・・ばねストッパーリング、25・・・ビン、26・・
・収納溝、27・・・連結棒、28・・・ビン、29・
・・回動溝、30・・・段部。
FIG. 1 is a perspective view showing an example of an optical disc record playback device according to the present invention, FIG. 2 is a perspective view showing an example of a state in which a disc is mounted on the disc clamp device, and FIG. 4 (IL) (B) and (C) are perspective views showing an example of each operating state of the disk clamp device of the present invention, and FIG. a), (b), and (c) are plan views showing examples of the corresponding blade portions in FIGS. 4, (a), (b, and c), and FIG. FIG. 4 is a sectional view showing an example of the corresponding operating states of the rotation groove and the bottle in FIGS. 4(a), 4(b), and 4(e). 1... Chassis, 2... Disc holder is mounting base, 3...
... Disc holder, 4... Clamp knob, 5... Anti-slip, 6... Blade, 7... Projection, 8... Feed gear, 9... Guide rod, 10... Laser pickup several lines, 1 No. Laser pickup, 12... Locking part, 13... Brake lever, 16... Brake solenoid, 18... Tension spring, 19... Disc holder Reflective sensor for rotation detection, 20 discs, 2 no...
・Motor, 22...Rotating shaft, 23...Spring, 24.
...Spring stopper ring, 25...Bin, 26...
・Storage groove, 27...Connecting rod, 28...Bin, 29・
...Rotation groove, 30...Stepped portion.

Claims (1)

【特許請求の範囲】[Claims] 回転自在に設けられるディスク受けと、このンゾ摘みと
、このクランプ摘みの一部に設けられ前記ディスクの孔
径より小さく収納可能で前記クランプ摘み全回動するこ
とによりディスクの孔径よりも大きく開きながら前記デ
ィスク受は方向に降下し前記ディスク受けとの間にディ
スクを挾持する複数の羽根とを具備することを特徴とす
るディスククランプ装置。
A rotatably provided disk holder, this knob, and a part of this clamp knob are provided so that it can be stored in a smaller size than the hole diameter of the disk, and when the clamp knob is fully rotated, it can be opened larger than the hole diameter of the disk. A disk clamping device characterized in that the disk support includes a plurality of blades that descend in the direction and clamp the disk between the disk support and the disk support.
JP56158488A 1981-10-05 1981-10-05 Disk clamping device Granted JPS5860477A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56158488A JPS5860477A (en) 1981-10-05 1981-10-05 Disk clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56158488A JPS5860477A (en) 1981-10-05 1981-10-05 Disk clamping device

Publications (2)

Publication Number Publication Date
JPS5860477A true JPS5860477A (en) 1983-04-09
JPS6233663B2 JPS6233663B2 (en) 1987-07-22

Family

ID=15672830

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56158488A Granted JPS5860477A (en) 1981-10-05 1981-10-05 Disk clamping device

Country Status (1)

Country Link
JP (1) JPS5860477A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60102753U (en) * 1983-12-13 1985-07-13 松下電器産業株式会社 Flat information recording carrier rotation holding device
EP0594128A2 (en) * 1992-10-19 1994-04-27 Asahi Corporation Disk hold device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60102753U (en) * 1983-12-13 1985-07-13 松下電器産業株式会社 Flat information recording carrier rotation holding device
EP0594128A2 (en) * 1992-10-19 1994-04-27 Asahi Corporation Disk hold device
EP0594128A3 (en) * 1992-10-19 1994-09-14 Asahi Tsusho Kk Disk hold device

Also Published As

Publication number Publication date
JPS6233663B2 (en) 1987-07-22

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