SE8006628L - Skivsperlare - Google Patents
SkivsperlareInfo
- Publication number
- SE8006628L SE8006628L SE8006628A SE8006628A SE8006628L SE 8006628 L SE8006628 L SE 8006628L SE 8006628 A SE8006628 A SE 8006628A SE 8006628 A SE8006628 A SE 8006628A SE 8006628 L SE8006628 L SE 8006628L
- Authority
- SE
- Sweden
- Prior art keywords
- disc
- record
- diameter
- support
- centering
- Prior art date
Links
Classifications
-
- 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
- G11B17/032—Positioning by moving the door or the cover
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Claims (1)
- Patentkrav. I. Skivspelare med en fastkl5mmningsanordning (6,22) for att fgsta en bailie skivformad informationsbgrare eller -skive (7') pg en roterbar drivaxel (12), sA att den bag rotera med denna, vilken informationsskIva bar ett centralt 1151 (8), oars diameter ken ante varje vgrde inon ett givet omrAde mellan en hagsta tillgten diameter och en minsta tillAten diameter, varvid fastklamningsanordningen innefattar: en skivbgrare (6) son Or stelt monterad pg drivaxeln, organ far att centrera skivan (7') relativt drivaxelns (14 axe] (13) innefattande ett centreringselement med en centreringsyta (15), oars diameter varierar frAn ett vgrde som gr mindre 5n namnda minsta tillgtna diameter hOs skivans centrumhAl (8) till ett grde son Or starre gn n5mnda hagsta tillAtna diameter hos centrumhAlet, och vilken yta ken samverka med den inn e ken-ten (16) an skivan old grgnsen till Wet i densamma cant organ (23,24) far att fjgdrande pressa centreringsytan (15) och den inre ken-ten (16) an skivan not varandra, kgnnetecknad av att centreringselementet (14) Sr stelt farbundet med och bildar en del av skinbgraren (6) att skivbgraren (6) radiellt utanfar centreringselememet (14) bar en bgrring (32) an deformerbart material, vilken bgrrings averyta ligger i ett plan son ligger under planet innehAllande den del as den koniska centreringsytan (15), son her gamma diameter son n5mnda hagsta tillStna diameter hoc Wet (8) i skivan, att tryclogyerflirande del ar (27) an en skiybelastningdanordning (22) Sr anordmade vid en diameter son Sr I huvudsak like med barringers (32) diameter och utfarda att efter skivans anbringarde p5 och centrering an den koniska centreringsytan (15) presses not bgrrirgen (32) med mellanliggande skive for fastkl5mning an skivan under elastisk deformering av delarna runt hAlet i skivan not centreringsytan, samt att skivbgraren (6) utanfar bgrringen (32) bar no stel stOdkropp (17) son Sr belggen I ett plan son linger under planet innehAllande bgrringens aversida sg att inst511ning an skivans yttre delar i plan med infastningsstgllet under drift Astadkommes genom den till faljd an snabb rotation an skivan alstrade centrifugalkraften, son verkar pA de utanfar infAstningsstallet liggande delarna as skivan.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7502804,A NL174998C (nl) | 1975-03-10 | 1975-03-10 | Opspaninrichting voor een roterend aandrijfbare informatiedragende plaat. |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8006628L true SE8006628L (sv) | 1980-09-23 |
SE419139B SE419139B (sv) | 1981-07-13 |
Family
ID=19823334
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7602604A SE421256B (sv) | 1975-03-10 | 1976-02-27 | Skivspelare med fastklemmningsanordning for att festa en informationsberare |
SE8006628A SE419139B (sv) | 1975-03-10 | 1980-09-23 | Skivspelare med en fastklemningsanordning for att festa en bojlig skivformad informationsberare eller skiva pa en roterbar drivaxel |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7602604A SE421256B (sv) | 1975-03-10 | 1976-02-27 | Skivspelare med fastklemmningsanordning for att festa en informationsberare |
Country Status (12)
Country | Link |
---|---|
US (1) | US3980308A (sv) |
AU (1) | AU500833B2 (sv) |
CA (1) | CA1057852A (sv) |
DE (1) | DE2607518C3 (sv) |
DK (1) | DK96576A (sv) |
ES (1) | ES445862A1 (sv) |
FR (1) | FR2304136A1 (sv) |
GB (1) | GB1538568A (sv) |
IT (1) | IT1057679B (sv) |
NL (1) | NL174998C (sv) |
NO (1) | NO760794L (sv) |
SE (2) | SE421256B (sv) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4040089A (en) * | 1976-06-14 | 1977-08-02 | Rca Corporation | Disc master positioning apparatus for a recording system |
NL7609375A (nl) * | 1976-08-24 | 1978-02-28 | Philips Nv | Opspaninrichting voor een roterend aandrijfbare informatiedragende plaat. |
DE2724823A1 (de) * | 1977-06-02 | 1978-12-07 | Bosch Gmbh Robert | Geraet zur aufzeichnung und/oder wiedergabe von signalen auf plattenfoermige traeger |
NL182032C (nl) * | 1978-06-05 | 1987-12-16 | Philips Nv | Inrichting voor het centreren, richten en vastklemmen van een roterende plaat. |
US4224648A (en) * | 1978-10-16 | 1980-09-23 | Control Data Corporation | Disc centering |
US4378576A (en) * | 1980-06-27 | 1983-03-29 | Magnetic Peripherals Inc. | Removable disc media |
US4350379A (en) * | 1980-10-10 | 1982-09-21 | General Electric Company | Universal lifting magnet |
US4367547A (en) * | 1981-05-04 | 1983-01-04 | Wayne H. Coloney Co., Inc. | Apparatus for holding record disks by vacuum |
US4499573A (en) * | 1981-07-20 | 1985-02-12 | Tokyo Shibaura Denki Kabushiki Kaisha | Disc rotating apparatus |
JPS5814386A (ja) * | 1981-07-20 | 1983-01-27 | Toshiba Corp | デジタルデイスクプレ−ヤ装置 |
JPS5814382A (ja) * | 1981-07-20 | 1983-01-27 | Toshiba Corp | デジタルデイスクプレ−ヤ装置 |
US4539671A (en) * | 1982-09-24 | 1985-09-03 | Sony Corporation | Recording and/or reproducing apparatus for a disk |
JPS5971487U (ja) * | 1982-10-29 | 1984-05-15 | ソニー株式会社 | 磁気デイスクの回転装着台 |
CA1240041A (en) * | 1983-09-19 | 1988-08-02 | Donald W. Clay | Optical disk data format employing resynchronizable data sectors |
EP0186195B1 (en) * | 1984-12-28 | 1991-03-13 | Yamaha Corporation | Disc clamping device for a disc cartridge player |
JPS62223850A (ja) * | 1986-03-25 | 1987-10-01 | Sharp Corp | デイスククランプ装置 |
US5001700A (en) * | 1989-03-30 | 1991-03-19 | Literal Corporation | Disk clamp and centering apparatus for a beam addressable disk drive system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2634134A (en) * | 1949-07-27 | 1953-04-07 | Edison Inc Thomas A | Record-disk centering and clamping mechanism |
US2943861A (en) * | 1956-05-28 | 1960-07-05 | Rca Corp | Multi-speed phonograph record player |
US3071381A (en) * | 1960-05-16 | 1963-01-01 | Cons Electronics Ind | Phonograph turntable |
US3176281A (en) * | 1961-10-23 | 1965-03-30 | Ibm | Portable memory for data processing machine |
US3377072A (en) * | 1965-12-11 | 1968-04-09 | Gentilini Augusto | Portable record player |
US3784853A (en) * | 1972-05-03 | 1974-01-08 | P Wangsness | Homopolar motor forming a sound record support |
US3768815A (en) * | 1972-06-21 | 1973-10-30 | Ibm | Apparatus for clamping and centering a flexible magnetic disk |
JPS4981012A (sv) * | 1972-12-08 | 1974-08-05 |
-
1975
- 1975-03-10 NL NLAANVRAGE7502804,A patent/NL174998C/xx not_active IP Right Cessation
- 1975-06-05 US US05/583,988 patent/US3980308A/en not_active Expired - Lifetime
-
1976
- 1976-02-25 DE DE2607518A patent/DE2607518C3/de not_active Expired
- 1976-02-27 SE SE7602604A patent/SE421256B/sv not_active IP Right Cessation
- 1976-03-05 CA CA247,224A patent/CA1057852A/en not_active Expired
- 1976-03-05 GB GB8925/76A patent/GB1538568A/en not_active Expired
- 1976-03-05 DK DK96576*#A patent/DK96576A/da unknown
- 1976-03-05 IT IT67543/76A patent/IT1057679B/it active
- 1976-03-08 NO NO760794A patent/NO760794L/no unknown
- 1976-03-08 ES ES445862A patent/ES445862A1/es not_active Expired
- 1976-03-09 AU AU11793/76A patent/AU500833B2/en not_active Expired
- 1976-03-10 FR FR7606833A patent/FR2304136A1/fr active Granted
-
1980
- 1980-09-23 SE SE8006628A patent/SE419139B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US3980308A (en) | 1976-09-14 |
IT1057679B (it) | 1982-03-30 |
GB1538568A (en) | 1979-01-24 |
NL174998B (nl) | 1984-04-02 |
ES445862A1 (es) | 1977-05-01 |
SE7602604L (sv) | 1976-09-11 |
DE2607518A1 (de) | 1976-09-30 |
NO760794L (sv) | 1976-09-13 |
DK96576A (da) | 1976-09-11 |
AU500833B2 (en) | 1979-05-31 |
CA1057852A (en) | 1979-07-03 |
DE2607518B2 (de) | 1980-05-29 |
SE419139B (sv) | 1981-07-13 |
AU1179376A (en) | 1977-09-15 |
DE2607518C3 (de) | 1988-03-24 |
FR2304136A1 (fr) | 1976-10-08 |
SE421256B (sv) | 1981-12-07 |
NL7502804A (nl) | 1976-09-14 |
FR2304136B1 (sv) | 1981-06-26 |
NL174998C (nl) | 1984-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 8006628-5 Effective date: 19900215 Format of ref document f/p: F |