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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6246688U JPH067476Y2 (ja) | 1988-05-12 | 1988-05-12 | ディスク状記録媒体のセンタコア |
| 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 (ja) | 1988-05-12 | 1988-05-12 | ディスク状記録媒体のセンタコア |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01165943U true JPH01165943U (cs) | 1989-11-21 |
| JPH067476Y2 JPH067476Y2 (ja) | 1994-02-23 |
Family
ID=31288074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6246688U Expired - Lifetime JPH067476Y2 (ja) | 1988-05-12 | 1988-05-12 | ディスク状記録媒体のセンタコア |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH067476Y2 (cs) |
-
1988
- 1988-05-12 JP JP6246688U patent/JPH067476Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH067476Y2 (ja) | 1994-02-23 |
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