CA1310409C - Flexible magnetic disc apparatus - Google Patents
Flexible magnetic disc apparatusInfo
- Publication number
- CA1310409C CA1310409C CA000523831A CA523831A CA1310409C CA 1310409 C CA1310409 C CA 1310409C CA 000523831 A CA000523831 A CA 000523831A CA 523831 A CA523831 A CA 523831A CA 1310409 C CA1310409 C CA 1310409C
- Authority
- CA
- Canada
- Prior art keywords
- spindle
- positioning projections
- disc
- aperture
- peripheral 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.)
- Expired - Lifetime
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 28
- 230000014392 establishment of spindle localization Effects 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 229920003002 synthetic resin Polymers 0.000 claims description 4
- 239000000057 synthetic resin Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/03—Containers for flat record carriers
- G11B23/033—Containers for flat record carriers for flexible discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/022—Positioning or locking of single discs
- G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
- G11B17/0284—Positioning or locking of single discs of discs rotating during transducing operation by clampers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
- G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
- G11B23/0028—Details
- G11B23/0035—Details means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
- Memory System Of A Hierarchy Structure (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP188043/85 | 1985-12-06 | ||
| JP1985188043U JPS6298041U (US08063081-20111122-C00044.png) | 1985-12-06 | 1985-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1310409C true CA1310409C (en) | 1992-11-17 |
Family
ID=16216679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000523831A Expired - Lifetime CA1310409C (en) | 1985-12-06 | 1986-11-26 | Flexible magnetic disc apparatus |
Country Status (10)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4843512A (en) * | 1987-08-28 | 1989-06-27 | Minnesota Mining And Manufacturing Company | Recording disk centering hub |
| US5815344A (en) * | 1992-02-17 | 1998-09-29 | Sony Corporation | Disc cartridge loading apparatus |
| JPH06119670A (ja) * | 1992-10-07 | 1994-04-28 | Sony Corp | ディスクカートリッジ |
| US6134081A (en) * | 1997-08-29 | 2000-10-17 | Iomega Corporation | Media hub mounting system for minimizing Z-axis during cartridge insertion and ejection translation |
| US6542330B1 (en) | 1999-06-30 | 2003-04-01 | Seagate Technology Llc | Disc clamp for improved disc stack balance |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57195674U (US08063081-20111122-C00044.png) * | 1981-06-05 | 1982-12-11 | ||
| JPS5826771U (ja) * | 1981-08-10 | 1983-02-21 | ソニー株式会社 | 記録再生装置におけるカセツト排出機構 |
| JPS58169381A (ja) * | 1982-03-31 | 1983-10-05 | Hitachi Ltd | 円板状シ−トの装着装置 |
| JPS58224479A (ja) * | 1982-06-21 | 1983-12-26 | Hitachi Ltd | 回転ディスク |
| CA1217562A (en) * | 1983-02-10 | 1987-02-03 | Etsuro Saito | Flexible magnetic disc |
| JPS6035385A (ja) * | 1983-08-03 | 1985-02-23 | Hitachi Maxell Ltd | デイスクカ−トリツジ |
| DE3539645A1 (de) * | 1984-11-10 | 1986-05-15 | Hitachi Maxell, Ltd., Ibaraki, Osaka | Speicherplatte |
-
1985
- 1985-12-06 JP JP1985188043U patent/JPS6298041U/ja active Pending
-
1986
- 1986-11-25 US US06/934,805 patent/US4750064A/en not_active Expired - Lifetime
- 1986-11-26 KR KR2019860018455U patent/KR920001014Y1/ko not_active IP Right Cessation
- 1986-11-26 CA CA000523831A patent/CA1310409C/en not_active Expired - Lifetime
- 1986-12-01 EP EP86309356A patent/EP0226378B1/en not_active Expired - Lifetime
- 1986-12-01 DE DE8686309356T patent/DE3685311D1/de not_active Expired - Lifetime
- 1986-12-01 AU AU65861/86A patent/AU604657B2/en not_active Expired
- 1986-12-01 AT AT86309356T patent/ATE76217T1/de not_active IP Right Cessation
- 1986-12-04 MY MYPI86000174A patent/MY108502A/en unknown
- 1986-12-06 CN CN198686108367A patent/CN86108367A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AU604657B2 (en) | 1991-01-03 |
| CN86108367A (zh) | 1987-08-05 |
| JPS6298041U (US08063081-20111122-C00044.png) | 1987-06-22 |
| DE3685311D1 (de) | 1992-06-17 |
| US4750064A (en) | 1988-06-07 |
| EP0226378A3 (en) | 1988-10-12 |
| MY108502A (en) | 1996-10-31 |
| ATE76217T1 (de) | 1992-05-15 |
| KR920001014Y1 (ko) | 1992-02-08 |
| KR870011197U (ko) | 1987-07-16 |
| EP0226378B1 (en) | 1992-05-13 |
| EP0226378A2 (en) | 1987-06-24 |
| AU6586186A (en) | 1987-06-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |