JPS6415348U - - Google Patents
Info
- Publication number
- JPS6415348U JPS6415348U JP10893687U JP10893687U JPS6415348U JP S6415348 U JPS6415348 U JP S6415348U JP 10893687 U JP10893687 U JP 10893687U JP 10893687 U JP10893687 U JP 10893687U JP S6415348 U JPS6415348 U JP S6415348U
- Authority
- JP
- Japan
- Prior art keywords
- ball
- turntable
- cylinder
- storage recess
- ball storage
- 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
- 239000012530 fluid Substances 0.000 claims 1
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Description
第１図は、この考案に係る芯出し装置の一実施
例を示す縦断正面図、第２図は第１図の−線
に沿つた断面図、第３図は同上の他の実施例を示
す縦断正面図、第４図は従来の芯出し装置を示す
縦断正面図である。
１…スピンドル、２…ターンテーブル、３…ボ
ールホルダ、６…円筒部、７…ポケツト、８…ボ
ール、９…ボール収納凹部、１０…テーパ面、１
１…シリンダ、１２…ピストン、１３…テーパコ
ーン。
Fig. 1 is a longitudinal sectional front view showing one embodiment of the centering device according to this invention, Fig. 2 is a sectional view taken along the - line of Fig. 1, and Fig. 3 shows another embodiment of the same. FIG. 4 is a longitudinal sectional front view showing a conventional centering device. DESCRIPTION OF SYMBOLS 1...Spindle, 2...Turntable, 3...Ball holder, 6...Cylindrical part, 7...Pocket, 8...Ball, 9...Ball storage recess, 10...Tapered surface, 1
1...Cylinder, 12...Piston, 13...Taper cone.
Claims (1)
テーブルを設け、そのターンテーブル上に同心に
設けたボールホルダには下部円筒部の下端に半径
方向の少なくとも３つ以上のポケツトを等角度に
形成し、各ポケツトにボールを径方向に移動可能
に収納し、上記ターンテーブルの上面には、ボー
ルの下部が嵌る円形のボール収納凹部を設け、そ
のボール収納凹部の底面中央部にシリンダを形成
し、そのシリンダ内に摺動可能に組込まれ、シリ
ンダに対する流体の供給とスプリングの弾力とに
よつて上下動されるピストンの上部に、上記ボー
ルとの接触によりそのボールを外径方向に移動さ
せるテーパコーンを設けた孔あきデイスクの芯出
し装置。 (2) 前記ボール収納凹部の底面を、内径側に向
けて下り勾配をもつて傾斜するテーパ面とした実
用新案登録請求の範囲第１項記載の孔あきデイス
クの芯出し装置。[Claims for Utility Model Registration] (1) A turntable is provided on the upper part of a rotationally driven spindle, and a ball holder provided concentrically on the turntable has at least three or more radial balls at the lower end of the lower cylindrical part. Pockets are formed at equal angles, and a ball is stored in each pocket so as to be movable in the radial direction, and a circular ball storage recess into which the lower part of the ball fits is provided on the top surface of the turntable, and the bottom surface of the ball storage recess is A cylinder is formed in the center, and the ball is placed in the upper part of the piston, which is slidably incorporated into the cylinder and is moved up and down by the supply of fluid to the cylinder and the elasticity of the spring, by contact with the ball. A perforated disk centering device equipped with a tapered cone that moves in the outer diameter direction. (2) The centering device for a perforated disk according to claim 1, wherein the bottom surface of the ball storage recess is a tapered surface that slopes downward toward the inner diameter side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987108936U JPH0548277Y2 (en) | 1987-07-15 | 1987-07-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987108936U JPH0548277Y2 (en) | 1987-07-15 | 1987-07-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6415348U true JPS6415348U (en) | 1989-01-26 |
| JPH0548277Y2 JPH0548277Y2 (en) | 1993-12-22 |
Family
ID=31344732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987108936U Expired - Lifetime JPH0548277Y2 (en) | 1987-07-15 | 1987-07-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0548277Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0412145U (en) * | 1990-05-14 | 1992-01-31 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5435047U (en) * | 1977-08-12 | 1979-03-07 | ||
| JPS60103704U (en) * | 1983-12-21 | 1985-07-15 | ロ−ム株式会社 | air cylinder |
| JPS61214272A (en) * | 1985-03-20 | 1986-09-24 | Matsushita Electric Ind Co Ltd | Rotation driving device for disc-shaped recording medium |
-
1987
- 1987-07-15 JP JP1987108936U patent/JPH0548277Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5435047U (en) * | 1977-08-12 | 1979-03-07 | ||
| JPS60103704U (en) * | 1983-12-21 | 1985-07-15 | ロ−ム株式会社 | air cylinder |
| JPS61214272A (en) * | 1985-03-20 | 1986-09-24 | Matsushita Electric Ind Co Ltd | Rotation driving device for disc-shaped recording medium |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0412145U (en) * | 1990-05-14 | 1992-01-31 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0548277Y2 (en) | 1993-12-22 |