JPH01165943U - - Google Patents
Info
- Publication number
- JPH01165943U JPH01165943U JP6246688U JP6246688U JPH01165943U JP H01165943 U JPH01165943 U JP H01165943U JP 6246688 U JP6246688 U JP 6246688U JP 6246688 U JP6246688 U JP 6246688U JP H01165943 U JPH01165943 U JP H01165943U
- Authority
- JP
- Japan
- Prior art keywords
- center hole
- disk
- rotating shaft
- circumferential surface
- positioning surface
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Description
第１図は本考案に係る磁気記録カートリツジの
平面図、第２図は第１図のＢ―Ｂ断面図、第３図
は本考案に係る磁気デイスクの要部断面図、第４
図Ａ，Ｂ及びＣはそれぞれ本考案に係る磁気デイ
スクの板ばねを示す上面図、正面図及び側面図、
第５図Ａ乃至Ｅは本考案に係る磁気記録カートリ
ツジの製造工程を示す断面図、第６図は本考案に
係る磁気記録カートリツジが収納された磁気記録
カートリツジの平面図、第７図は第６図のＢ―Ｂ
断面図である。
１０……磁気記録カートリツジ、１２……磁気
デイスク、１４……センタコア、１５……中心孔
、１５Ａ……内周面、１５Ｂ……テーパ、１５Ｃ
……突起、１５Ｄ……切欠部、２２……回転駆動
軸、３４……板ばね、３４Ｃ……突片。
FIG. 1 is a plan view of a magnetic recording cartridge according to the present invention, FIG. 2 is a sectional view taken along line BB in FIG. 1, FIG. 3 is a sectional view of essential parts of a magnetic disk according to the present invention, and FIG.
Figures A, B, and C are a top view, a front view, and a side view, respectively, showing the leaf spring of the magnetic disk according to the present invention;
5A to 5E are cross-sectional views showing the manufacturing process of the magnetic recording cartridge according to the present invention, FIG. 6 is a plan view of the magnetic recording cartridge in which the magnetic recording cartridge according to the present invention is housed, and FIG. B-B in the diagram
FIG. 10... Magnetic recording cartridge, 12... Magnetic disk, 14... Center core, 15... Center hole, 15A... Inner peripheral surface, 15B... Taper, 15C
...Protrusion, 15D ... Notch, 22 ... Rotation drive shaft, 34 ... Leaf spring, 34C ... Projection piece.
Claims (1)
クの芯出しを行うためにデイスク駆動装置の回転
軸が挿入される中心孔を備え、前記中心孔の内周
面には、前記回転軸の周面が当接する位置決め面
と、前記中心孔に前記位置決め面と対向して設け
られ前記回転軸に前記位置決め面を押圧するため
の金属製の板ばねとを具備するデイスク状記録媒
体のセンタコアにおいて、 金属製の板ばねは対向する中心孔の内周面方向
へ突出した突片を有し、この内周面には、突片を
係止可能な切欠が形成されていることを特徴とす
るデイスク状記録媒体のセンタコア。[Claims for Utility Model Registration] A center hole into which a rotating shaft of a disk drive device is inserted for holding a flexible recording disk and centering the disk, and on an inner peripheral surface of the center hole, A disc-shaped record comprising: a positioning surface against which the circumferential surface of the rotating shaft abuts; and a metal plate spring provided in the center hole opposite to the positioning surface for pressing the positioning surface against the rotating shaft. In the center core of the medium, the metal leaf spring has a protruding piece protruding toward the inner circumferential surface of the opposing center hole, and a notch is formed on the inner circumferential surface to which the protruding piece can be locked. A center core of a disk-shaped recording medium featuring:
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6246688U JPH067476Y2 (en) | 1988-05-12 | 1988-05-12 | Center core of disk-shaped recording medium |
| US07/349,550 US4983439A (en) | 1988-05-12 | 1989-05-09 | Method of manufacturing a recording medium and recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6246688U JPH067476Y2 (en) | 1988-05-12 | 1988-05-12 | Center core of disk-shaped recording medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01165943U true JPH01165943U (en) | 1989-11-21 |
| JPH067476Y2 JPH067476Y2 (en) | 1994-02-23 |
Family
ID=31288074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6246688U Expired - Lifetime JPH067476Y2 (en) | 1988-05-12 | 1988-05-12 | Center core of disk-shaped recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH067476Y2 (en) |
-
1988
- 1988-05-12 JP JP6246688U patent/JPH067476Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH067476Y2 (en) | 1994-02-23 |
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